HK1162884B - Slide fastener with separable bottom end stop - Google Patents

Description

Slide fastener with separable bottom end stop

Technical Field

The present invention relates to a slide fastener with a separable bottom end stop, and more particularly, to a slide fastener with a separable bottom end stop having a structure in which the separable bottom end stop includes an insert body and a pivot stopper body, and the insert body can be locked to the pivot stopper body by two locking operations.

Background

Conventionally, as one of the slide fasteners having the separable bottom end stop, there is known a slide fastener having a laterally open separable bottom end stop which is configured such that an insert body disposed at one end of one element row is inserted into a pivot support body disposed at an end of the other element row from a side surface of the pivot support body and is engaged with the pivot support body, thereby engaging the left and right element rows.

Further, in a slide fastener having such a separable bottom end stop, for example, japanese patent application laid-open No. 2008-43568 (patent document 1) discloses a slide fastener in which the usability of the separable bottom end stop is improved.

As shown in fig. 10, the slide fastener 61 with the separable bottom end stop 62 described in patent document 1 includes a pair of right and left fastener stringers 66 in which a plurality of individual elements 64 made of synthetic resin are arranged and provided on right and left fastener tapes 63, and an element row 65 is formed, the separable bottom end stop 62 provided at one end of the element row 65, and a slider not shown.

In the slide fastener 61, the fastener elements 64 are formed into a predetermined shape by injection molding the fastener tape 63. As a slider to be inserted through the element row 65 formed of the element 64, a conventionally known general slider can be used.

The separable bottom end stop 62 is formed continuously with the element row 65, and includes a lower end portion of the fastener tape 63 disposed on the left side, an insert body 67 functioning as an insert pin, a lower end portion of the fastener tape 63 disposed on the right side, and a pivot stopper 68 functioning as an insert pin and a box.

The insert body 67 includes a thin plate-like insert plate portion 67a to be fastened to both the front and back surfaces of the left fastener tape 63, a pivoted stopper portion (pivot portion) 67b provided to project in the front-back direction of the tape at a front end portion (rear end portion) on the tape end portion side of the insert plate portion 67a, a protruding strip portion 67c formed along the tape inner side edge of the insert plate portion 67a, an engaging portion (hook portion) 67d disposed at an end portion (front end portion) on the element row 65 side of the insert plate portion 67a, and a recessed portion 67e formed on the front surface and the back surface of the insert plate portion 67 a.

The insertion plate portion 67a has flat front and back surfaces except the recessed portion 67e, and has a thickness in the tape front and back direction smaller than the gap between the upper and lower flanges provided in the slider. Further, the fitting plate portion 67a is provided with a notch portion 67f that cuts into the tape from the tape end side to the tape inner side.

The pivoting stopper 68 includes a slider holding portion (pin portion) 68a formed on both front and back surfaces of the right fastener tape 63, a pivoting stopper portion (box portion) 68c formed to be thicker than the slider holding portion 68a and to have a substantially J-shape in front view via a stepped portion 68b, and a reinforcing portion 68d formed on the inner side of the slider holding portion 68a to improve the fastening strength of the pivoting stopper 68 to the fastener tape 63. Further, a fitting groove 68e into which the fitting plate portion 67a is fitted is formed in a side surface of the slider holding portion 68a facing the fitting plate portion 67a and a part of a side surface of the pivot stopper portion 68c facing the fitting plate portion 67 a.

Further, the insert facing side edges of the slider holding portion 68a are curved so that the intermediate portions thereof slightly bulge toward the insert 67. The slider holding portion 68a is inserted into the element guide path of the slider when the slider is slid to abut against the step portion 68b, and can hold the slider.

The pivot stopper 68c has a pivot space 68f opened upward so that the pivot stopper 67b of the insertion body 67 can be engaged with and disengaged from the side surface of the pivot stopper 68, and an inner peripheral surface 68g which can be engaged with and rotatably locked to the pivot stopper 67b inserted into the pivot space 68 f. Further, a slit 68h is formed from the inner peripheral surface 68g to the outer peripheral surface at the tip end portion of the pivot stopper portion 68c, and the groove width of the slit 68h in the tape front-back direction is set larger than the wall thickness of the fitting plate portion 67 a.

In the slide fastener 61 of patent document 1 including the separable bottom end stop 62 having the insert body 67 and the pivot stopper 68, the pivoted stopper 67b of the insert body 67 is fitted into the pivot stopper 68 from the side surface of the pivot stopper 68 in a state where the slider is held by the pivot stopper 68, so that the pivoted stopper 67b is rotatably locked to the pivot stopper 68c of the pivot stopper 68.

Further, in a state where the pivot stopper portion 67b is locked to the pivot stopper portion 68c, the insertion body 67 is rotated toward the pivot stopper portion 68 around the pivot stopper portion 67b, whereby the insertion plate portion 67a of the insertion body 67 is inserted into the element guide path through the tape groove provided between the upper and lower flanges of the slider. Thereafter, by sliding the slider in the element row 65 in the engaging direction, first, the engaging portion (hook portion) 67d of the insert body 67 is engaged with the element 64 adjacent to the pivot stopper body 68, and further, the left and right element rows 65 can be engaged in order from the end portion on the side of the separable insert piece 62.

On the other hand, in the slide fastener 61, in a state where the slider, not shown, is held by the pivot stopper body 68, the pivoted stopper portion 67b of the insert body 67 is inserted into the pivot stopper body 68 from the shoulder opening of the slider through the element guide path of the slider, so that the pivoted stopper portion 67b is also rotatably locked to the pivot stopper portion 68c of the pivot stopper body 68. Thereafter, by sliding the slider in the engaging direction along the element rows 65, the left and right element rows 65 can be engaged in the same manner as described above.

That is, in the slide fastener 61 of patent document 1, when the left and right element rows 65 are engaged, the first operation of inserting the pivoted stopper portion 67b of the insertion body 67 laterally from the side surface of the pivoting stopper body 68 and directly fitting and locking the pivoted stopper portion 67b to the pivoting stopper body 68 and the second operation of inserting the pivoted stopper portion 67b through the element guide path of the slider and locking the pivoted stopper portion 68 can be arbitrarily selected, and therefore, the operability and convenience of the slide fastener 61 can be greatly improved.

Patent document 1: japanese laid-open patent publication No. 2008-43568

In the slide fastener 61 described in patent document 1, the synthetic resin individual fastener elements 64 formed by injection molding are disposed across the tape front and back surfaces of the fastener tape 63. The individual elements 64 have a shape that is front-back symmetrical about the fastener tape 63. Therefore, in the slide fastener 61, when the left and right element rows 65 are engaged, the left and right fastener elements 64 are strongly engaged with each other on both the tape front surface side and the tape back surface side of the fastener tape 63.

In this case, the insert body 67 and the pivot stopper 68 forming the separable insert 62 are formed in a shape that is front-back symmetrical with respect to the front and back surfaces of the tape of the fastener tape 63, similarly to the fastener element 64. In particular, the insertion body 67 and the pivot stopper 68 can easily secure the thickness in the tape front-back direction, and for example, even if the separable bottom end stop 62 is pushed up in the tape front-back direction, the insertion body 67 and the pivot stopper 68 are not easily deflected.

Therefore, in the slide fastener 61 of patent document 1, for example, in a state where the left and right element rows 65 are engaged with each other, even if the element rows 65 and the separable bottom end stop 62 receive an upward pushing force in the tape front-back direction or a lateral pulling force in the tape width direction, the engaged state of the element rows can be maintained, and the occurrence of engagement cracks can be prevented.

However, in the case of a slide fastener in which element rows are formed by injection-molded individual elements 64 as in patent document 1, since the elements 64 are fastened across the front and back surfaces of the tape of the fastener tape 63, there is a disadvantage that the flexibility of the slide fastener is inferior as compared with a slide fastener in which element rows are formed by continuous elements in a coil shape or a zigzag shape, for example.

On the other hand, in a slide fastener in which element rows are formed by continuous elements in a coil shape or a zigzag shape, for example, when a separable bottom end stop having an insert body and a pivot stopper body as in patent document 1 is used as the separable bottom end stop and the insert body can be locked to the separable bottom end stop of the pivot stopper body by two different locking operations, there is a problem that when the separable bottom end stop receives an upward pushing force, the element rows are easily engaged and cracked.

Specifically, in a slide fastener having a coil-shaped or zigzag-shaped continuous element, a fastener element row is formed by sewing left and right continuous elements to one surface (upper surface) side of a fastener tape using a sewing thread.

In addition, in a slider used for the slide fastener, upper and lower flanges are disposed on left and right side edges of upper and lower wing plates, and a tape groove for passing a fastener tape is provided between the upper and lower flanges.

In this case, since the continuous fastener elements are sewn to the upper surface side of the fastener tape as described above, the tape grooves disposed on the left and right sides of the slider are formed such that the vertical height position of the tape grooves is set closer to the lower blade side than the center portion between the upper and lower blades. Further, since the tape groove appropriately maintains the posture of the continuous fastener element and stably engages the right and left continuous fastener elements, the groove width can be made narrower than in the case where, for example, the element row is formed by the individual fastener elements 64.

Therefore, when the separable bottom end stop 62 having the insert body 67 and the pivot stopper 68 as shown in fig. 10 is disposed in the slide fastener having such continuous fastener elements, it is necessary to make the insert plate portion 67a of the insert body 67 thin so that the height dimension (thickness) in the tape front-back direction can be inserted into the tape groove of the slider. Further, in this case, since the distance between the tape groove and the lower wing plate of the slider is narrower than the distance between the tape groove and the upper wing plate, the wall thickness of the insertion plate portion 67a on the tape back side needs to be thinner than that on the tape front side.

However, when the thickness of the insert plate portion 67a of the insert body 67 is set to be thin as described above, the rigidity of the insert plate portion 67a is reduced, and therefore, for example, when the separable bottom end stop 62 receives lateral pulling force in the tape width direction, upward pushing force in the tape front-back direction, or the like in a state where the fastener element rows are engaged, the insert plate portion 67a is easily bent so as to contract in the tape front-back direction. In particular, the wall thickness of the insertion plate portion 67a on the tape back side is thinner than that on the tape front side, and therefore, when a lateral pulling force or an upward pushing force is applied, it is likely to be bent in a convex manner toward the tape back side.

As a result, the posture of the engaging portion 67d of the insert body 67 is inclined to the tape front-back direction or the position of the engaging portion 67d is shifted to the rear side, so that there is a problem that the engaging portion 67d and the continuous element on the coupling partner side are easily disengaged, and the coupling is easily broken from the end portion on the separable insert piece 62 side in the element row of the slide fastener.

The present invention has been made in view of the above-described conventional problems, and a specific object of the present invention is to provide a slide fastener with a separable bottom end stop having a fastener element row formed of a continuous fastener element in a coil shape or a zigzag shape, and having a separable bottom end stop capable of locking an insert body to a pivot stopper by two operations, and further capable of stably maintaining the engagement state of the fastener element row even when the separable bottom end stop receives a lateral pulling force, an upward pushing force, or the like.

Disclosure of Invention

In order to achieve the above object, a slide fastener with a separable bottom end stop according to the present invention is a slide fastener with a separable bottom end stop in which a slider is inserted through element rows formed of continuous elements in a coil shape or a zigzag shape attached to opposite tape side edge portions of a pair of right and left fastener tapes, an insertion body fastened to one end of one of the element rows and a pivot support body fastened to one end of the other of the element rows, the insertion body including a thin plate-shaped insertion plate portion having an upper surface and a lower surface and fastened to both tape front and back surfaces of the fastener tapes, and a pivot portion provided protrudingly at an end portion of the insertion plate portion opposite to the element rows, the pivot support body having an upper surface and a lower surface, the pivot support body being provided to extend in a tape longitudinal direction from an end portion of the element rows to a tape end portion side and having a needle portion for holding the slider and a box portion extending from the needle portion, the box body portion has a substantially J-shape which enables the pivot portion to be engaged with and disengaged from a side surface of the pivot support portion and to be engaged with and disengaged from an element guide path formed in the slider, and is characterized in that the pivot portion is provided only on an upper surface of the insert plate portion so as to project therefrom, the pivot support portion has a projecting portion provided to extend from an upper surface side of the insert pin portion to a tape outer side, a projecting portion provided to support the upper surface side of the insert plate portion when the element rows are engaged with each other, and a flat plate-shaped support portion provided to extend from a lower surface side of the box body portion to the tape outer side so as to support a lower surface side of the insert plate portion when the element rows are engaged with each other.

In the slide fastener with the separable bottom end stop according to the present invention, it is preferable that the box portion extends from the needle portion through a step portion, and the flat plate-like support portion is disposed on the box portion side from the step portion in the tape longitudinal direction and on the element row side from the pivot portion engaged with the pivot support body, and is disposed on the inner side from the outer wall surface of the box portion on the pivot support body side in the tape width direction and on the outer side from the pivot portion engaged with the pivot support body.

Preferably, the insert body has an engaging portion that engages with the continuous fastener element on the other side at a base end portion of the insert plate portion on the element row side, the element row is sewn up with a core string inserted into the continuous fastener element, and one end of the core string is embedded in the engaging portion.

In this case, it is preferable that the engaging portion includes a projection projecting toward the element row, and the projection is formed on a position on the upper surface side of the fitting plate portion.

Further, it is preferable that the flat plate-like support portion supports an end portion region including the lower surface side portion of the end portion of the insertion plate portion where the pivot portion is formed.

Effects of the invention

The slide fastener with separable bottom end stop according to the present invention has right and left element rows formed by continuous elements in a coil shape or a zigzag shape, and further has an insert body fastened to one end of one element row and a pivot body fastened to one end of the other element row.

In this case, the insert body is fastened to the front and back surfaces of the tape of the fastener tape, and includes a thin plate-like insert plate portion having an upper surface and a lower surface, and a pivot portion provided so as to protrude only on the upper surface of the insert plate portion. The pivot support body has an upper surface and a lower surface, is provided to extend in the tape longitudinal direction from an end of the element row to the tape end side, and has a pin portion for holding the slider, a substantially J-shaped box portion extending from the pin portion, a protruding piece portion extending parallel to the insert plate portion from the upper surface side of the pin portion to the tape outer side, and a flat plate-shaped support portion extending parallel to the insert plate portion from the lower surface side of the box portion to the tape outer side.

The slide fastener with the separable bottom end stop of the present invention has excellent flexibility because the element rows are formed of continuous elements in a coil shape or a zigzag shape. In this slide fastener, since the pivot portion is provided only on the upper surface of the insert plate portion so as to protrude, even if the flat plate-like support portion is provided on the lower surface side of the box portion of the pivot support body, the flat plate-like support portion can be prevented from interfering with the insert body when the insert body is locked to the pivot support body.

Further, in this slide fastener, when the insert body is locked to the pivot support body and the left and right element rows are engaged, the protruding piece portion of the pivot support body supports the upper surface side of the insert body, and the flat plate-like support portion supports the lower surface side of the insert plate portion. Accordingly, even when the separable bottom end stop including the insertion body and the pivot support body receives a lateral pulling force in the tape width direction, an upward pushing force in the tape front-back direction, or the like, the upper surface side of the insertion plate portion can be supported by the protruding piece portion of the pivot support body, and the insertion plate portion can be prevented from being bent in a convex shape toward the tape front surface side, and the flat plate-shaped support portion of the pivot support body can be supported by the lower surface side of the insertion plate portion, and the insertion plate portion can be prevented from being bent in a convex shape toward the tape back surface side.

Therefore, even if the separable bottom end stop receives a lateral pulling force, an upward pushing force, or the like, the insert plate portion can be prevented from being bent or bent, and therefore, the relative positional relationship between the insert body and the pivot body can be stably maintained, and further, the engagement of the element rows can be stably maintained by preventing the engagement crack from occurring at the end portions of the element rows on the separable bottom end stop side.

In the slide fastener with the separable bottom end stop of the present invention, the box portion extends from the pin portion through a step portion, and the flat plate-like support portion is disposed on the box portion side of the position of the step portion in the tape longitudinal direction, on the element row side of the pivot portion engaged with the pivot support body, on the inner side of the position of the outer wall surface of the box portion on the pivot support body side in the tape width direction, and on the outer side of the tape with respect to the pivot portion engaged with the pivot support body. Accordingly, the lower surface side of the fitting plate portion can be supported more stably by the flat plate-shaped support portion of the pivot support body, and the fitting plate portion can be prevented from being bent more effectively.

In the slide fastener with the separable bottom end stop of the present invention, the insert body has an engaging portion that engages with the continuous fastener element on the mating side at a base end portion on the element row side of the insert plate portion, the element row is sewn in a state where a core thread is inserted into the continuous fastener element, and one end of the core thread is embedded in the engaging portion.

That is, in the slide fastener with the separable bottom end stop of the present invention, one end of the core thread passing through the continuous element is embedded in the engaging portion of the insert body, and the core thread is cut out from the insert plate portion. Accordingly, the continuous fastener element can be stably attached to the fastener tape, and the insert plate portion can be formed to be thinner, so that the operation of inserting the insert plate portion into the tape groove of the slider can be smoothly and stably performed.

In this case, the engaging portion includes a projection projecting toward the element row, and the projection is formed on a position on the upper surface side of the fitting plate portion. Accordingly, the protruding portion provided on the engaging portion can be easily engaged with the element row on the side where the pivot support is formed, and thus the engaging strength of the left and right element rows can be improved.

Further, in the slide fastener with the separable bottom end stop of the present invention, when the insert body is engaged with the pivot support body and the left and right element rows are engaged with each other, the flat plate-like support portion supports the end portion region including the lower surface side of the end portion of the insert plate portion where the pivot portion is formed. Accordingly, the flat plate-shaped support portion can more stably support the lower surface side of the fitting plate portion, and the fitting plate portion can be reliably prevented from being bent.

Drawings

FIG. 1 is a front view showing a slide fastener with a separable bottom end stop according to example 1 of the present invention.

Fig. 2 is a perspective view showing an insert body and a pivot body of the separable bottom end stop disposed in the slide fastener.

Figure 3 is a rear view of the insert and pivot body of the breakaway inserter.

Fig. 4 is a sectional view showing a state where the pivot portion of the insert body is locked to the pivot support body.

Fig. 5 is a cross-sectional view showing a state where the insert body is locked to the pivot support body and the insert plate portion of the insert body is inserted into the tape groove of the slider.

Fig. 6 is a front view showing a state in which left and right dentitions are engaged.

Fig. 7 is a sectional view taken along line VII-VII shown in fig. 6.

Fig. 8 is an explanatory view for explaining the operation of the pivot portion when the slide fastener is opened.

FIG. 9 is a front view showing a hinge support body of the slide fastener with the separable bottom end stop according to example 2 of the present invention.

Fig. 10 is a perspective view showing a conventional slide fastener with a separable bottom end stop.

Description of the symbols

1: a zipper; 2: dentition; 3: a zipper strip; 4: a slider; 4 a: an upper wing plate; 4 b: a lower wing plate; 4 c: a connecting column; 4 d: an upper flange and a lower flange; 4 e: a stop pawl; 4 f: a handle mounting post; 4 g: a handle; 4 h: a dental guide pathway; 5: a zipper tape; 6: a zipper tooth; 6 a: a first fastener element; 7: a core rope; 8: sewing threads; 9: top dead center; 10: separating the insert; 11: an insert body; 11 a: an insertion plate portion; 11 b: a pivot portion; 11 c: an engaging portion; 11 d: a first protrusion portion; 11 e: a second projection strip portion; 11 f: a concession part; 11 g: a step difference surface; 11 h: a protrusion; 11 i: a recess; 11k is as follows: a cylindrical surface; 11 m: a first planar surface; 11 n: a second planar face; 12: a pivot support; 12 a: a pin portion; 12 b: a first step portion; 12 c: a tank portion; 12 d: a second step section; 12 e: a tab portion; 12 f: a flat plate-shaped support portion; 12 g: an inclined plane part; 12 h: a recess; 12 i: a space section; 12 j: an inner wall surface; 12 k: a slit; 12 m: a first sliding contact surface; 12 n: a second sliding contact surface; 15: a reinforcing portion; 21: a zipper; 22: a pivot support; 22 f: a flat plate-shaped support portion.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The present invention is not limited to the embodiments described below, and various modifications may be made as long as the present invention has substantially the same structure as the present invention and can produce the same operational effects.

For example, in the slide fastener with the separable bottom end stop described in each of the following examples, the element row is formed by sewing the continuous coil-shaped fastener elements to the tape side edge portions of the left and right fastener tapes.

Example 1

Fig. 1 is a front view showing the slide fastener with the separable bottom end stop according to example 1. Fig. 2 is a perspective view showing an insert body and a pivot body of the separable bottom end stop disposed in the slide fastener, and fig. 3 is a rear view of the insert body and the pivot body of the separable bottom end stop.

Fig. 4 is a sectional view showing a state in which the pivot portion of the insert body is locked to the pivot support body, fig. 5 is a sectional view showing a state in which the insert body is locked to the pivot support body and the insert plate portion of the insert body is inserted into the tape groove of the slider, and fig. 6 is a front view showing a state in which the left and right element rows are engaged with each other. In fig. 4 to 6, etc., for the sake of easy understanding of the state of the slide fastener, the sewing thread for sewing the continuous element to the fastener tape is not shown.

In example 1 and example 2 described later, the tape longitudinal direction of the fastener tape is defined as the front-rear direction (the side on which the top stop is disposed is defined as the front, and the side on which the separable bottom end stop is disposed is defined as the rear), the tape width direction is defined as the left-right direction (the left side when viewed from the front is defined as the left side, and the right side is defined as the right side), and the tape front-back direction is defined as the up-down direction (the side on which the continuous fastener element is disposed with respect to the fastener tape is defined as the upper side, and the opposite side is defined as the lower side).

The slide fastener with separable bottom end stop 1 according to example 1 includes a pair of right and left fastener stringers 3 having element rows 2 formed thereon, a separable bottom end stop 10 attached to one end of the element rows 2 of the fastener stringers 3, and a slider 4 for engaging and separating the right and left element rows 2.

The fastener stringer 3 of example 1 is formed by sewing a coil-shaped continuous fastener element 6 to the upper surface side of each of the facing tape side edge portions of the left and right fastener tapes 5. The element rows 2 of the left and right fastener stringers 3 are formed by sewing the continuous elements 6 to the upper surface of the fastener tape 5 using the sewing thread 8 in a state where the core thread 7 is inserted into the coil-shaped continuous elements 6.

The core wire 7 inserted into the right continuous element 6 extends below the lower end of the right element row 2, and is embedded in a pivot body 12 of the separable bottom end stop 10, which will be described later. On the other hand, the core wire 7 inserted into the left continuous element 6 is disposed up to the position of the engagement portion 11c of the insert 11 described later of the separable insert 10, and the rear end of the core wire 7 is embedded in the engagement portion 11 c. Therefore, the core wire 7 is cut out from a region of the later-described embedded plate portion 11a of the embedded body 11, and the core wire 7 is not disposed in the embedded plate portion 11 a.

The coiled continuous element 6 can be obtained by molding a monofilament made of synthetic resin into a coil shape. The fastener element 6 has a coupling head portion to be coupled to and disengaged from the fastener element 6 of the other fastener element, a pair of upper and lower leg portions extending in one direction (inside the tape) from the coupling head portion, and a coupling portion coupling the leg portions between the adjacent elements to each other. In the above-described leg portions, the upper side is defined as an upper leg portion, and the lower side is defined as a lower leg portion. In the coil-shaped fastener element 6, the element row 2 is formed, so that the flexibility of the element row can be easily ensured.

The upper stops 9 are fastened to the upper ends of the left and right dentitions 2. Further, a reinforcing portion 15 is formed by welding a synthetic resin film to the front and back surfaces of the lower end portion of the fastener tape 5 in the tape length direction.

The slider 4 is the same as a general slider 4 used in the conventional slide fastener 1, and has a continuous element 6 in a coil shape. The slider 4 includes upper and lower wing plates 4a, 4b, a coupling post 4c for coupling the upper and lower wing plates 4a, 4b by the tip of the slider 4, upper and lower flanges 4d provided on the left and right side edges of the upper and lower wing plates 4a, 4b, a stop pawl 4e arranged on the upper wing plate 4a and capable of stopping the slider 4 by engagement with the element row 2, a handle mounting post 4f provided upright on the front surface of the upper wing plate 4a, and a handle 4g mounted on the handle mounting post 4 f.

In addition, shoulder openings are formed on the left and right sides of the coupling post 4c at an end portion (front end portion) of the slider 4 on the side where the coupling post 4c is disposed, and a rear opening is formed at an end portion (rear end portion) on the opposite side. In the slider 4, a thread guide path 4h is provided which communicates the left and right shoulder openings with the rear opening and has a substantially Y-shape in front view. In the element guide path 4h, a partition wall (not shown) for stabilizing the position of the fastener element 6 passing through the element guide path 4h is formed, and the partition wall is formed of a protrusion formed on the front surface (inner surface) of the upper and lower wing plates 4a and 4b on the element guide path 4h side.

Further, a tape groove through which the fastener tape 5 passes when the slider 4 is slid along the element row 2 is disposed between the upper and lower flanges 4d of the slider 4, and the left and right tape grooves in the slider 4 are set at positions closer to the lower blade 4b side than the center position in the vertical direction (height direction) between the upper and lower blades 4a, 4 b.

That is, since the element rows 2 of the right and left fastener stringers 3 are arranged only on the upper surface side of the fastener tape 5, by arranging the tape grooves of the slider 4 at positions close to the lower blade 4b, when the slider 4 is slid and the right and left element rows 2 are engaged with or separated from each other, the gap between the lower blade 4b of the slider 4 and the tape lower surface of the fastener tape 5 can be reduced. Therefore, in the element guide path 4h of the slider 4, the continuous element 6 is prevented from falling (rolling) in the direction orthogonal to the tape longitudinal direction, and the posture of the continuous element 6 can be stabilized. Therefore, the left and right element rows 2 can be smoothly engaged and disengaged.

The separable bottom end stop 10 of example 1 is formed and integrated at the lower end portion of the fastener tape 5 by injection molding a thermoplastic resin such as polyoxymethylene or polyamide to the fastener tape 5, and has an insert body 11 disposed at the tape side edge portion of the left fastener tape 5 and a pivot body 12 disposed at the tape side edge portion of the right fastener tape 5.

The insert body 11 of the separable insert 10 is formed continuously from the lower end edge of the left element row 2 across the tape front and back surfaces of the fastener tape 5. The insert body 11 includes a thin plate-shaped insert plate portion 11a fastened to the front and back surfaces of the tape of the fastener tape 5, a pivot portion 11b provided to protrude from a corner portion on the rear end side of the insert plate portion 11a, an engaging portion 11c disposed at a base end portion (tip end portion) on the element row 2 side of the insert plate portion 11a, and first and second protruding strip portions 11d, 11e formed along the inner side edge portions of the front and back surfaces of the insert plate portion 11 a. In this case, the front surface (upper surface) of the insertion plate portion 11a is defined as an upper surface, and the rear surface (lower surface) is defined as a lower surface.

The insertion plate portion 11a of the insertion body 11 is formed in a flat thin plate shape on both front and back surfaces, and the thickness thereof is set smaller than the groove width of the tape groove of the slider 4 (the interval between the upper and lower flanges 4 d). And is set smaller than the vertical dimension of the dentition 2.

In particular, the core rope 7 is not disposed in the embedded plate portion 11a in embodiment 1 as described above. Therefore, the wall thickness of the insertion plate portion 11a can be easily made thinner than the groove width of the fabric groove, and the strength and rigidity of the insertion plate portion 11a can be improved because the insertion plate portion 11a is not divided by the core rope 7. Further, the core rope 7 enters the inside of the engaging portion 11 c.

Further, since the insert plate portion 11a is inserted into the element guide path 4h through the tape groove disposed at a position close to the lower wing plate 4b of the slider 4 as described later when the pivot portion 11b of the insert body 11 is pivoted to the pivot stopper 12, the thickness of the lower surface portion disposed on the lower surface side of the tape is formed thinner than the thickness of the upper surface portion disposed on the upper surface side of the tape of the insert plate portion 11 a.

The pivot portion 11b of the insert body 11 is disposed at a corner portion on the outer side of the tape (on the opposite end side to the element row 2 side on the upper surface of the insert plate portion 11 a) on the rear end side of the insert plate portion 11a, and is provided so as to protrude only on the upper surface of the insert plate portion 11a, unlike the pivoted portions 67b (pivot portions) provided so as to protrude on both the upper and lower surfaces of the insert plate portion 11a as in patent document 1 (see fig. 10), for example. In this case, the height dimension (thickness) in the tape front-back direction from the lower surface of the insertion plate portion 11a to the upper surface of the pivot portion 11b is set to be smaller than the interval between the upper and lower wing plates 4a, 4b of the slider 4 and larger than the tape groove of the slider 4.

The pivot portion 11b is formed in a substantially cylindrical shape, but the side wall surface of the pivot portion 11b is formed by a cylindrical surface 11k, a first flat surface 11m arranged on the tape inner side of the pivot portion 11b in parallel with the tape longitudinal direction, and a second flat surface 11n inclined so that the dimension of the pivot portion 11b in the tape width direction gradually decreases from the first flat surface 11m to the rear through a bent portion.

The first and second protrusions 11d and 11e of the insertion body 11 are formed along the inner side edges of the tape of the insertion plate portion 11a in a state of protruding from the front and back surfaces of the insertion plate portion 11 a. By forming the first and second protrusions 11d and 11e, the rigidity of the insertion plate portion 11a can be improved.

In addition, the relief portion 11f is provided at the lower end portion of the first protruding portion 11d disposed on the front surface of the insertion plate portion 11a and the lower end portion of the second protruding portion 11e disposed on the back surface of the insertion plate portion 11a so as to be cut from the side surface on the insertion plate portion 11a side toward the inside of the tape, and the width dimension (the dimension in the tape width direction) at the rear end portion of the first and second protruding portions 11d, 11e is smaller than the width dimension at the tip end portion thereof.

Further, the relief portion 11f provided on the second protruding strip portion 11e is formed longer in the tape longitudinal direction than the relief portion 11f provided on the first protruding strip portion 11d, and the front end position of the relief portion 11f provided on the second protruding strip portion 11e is arranged on the element row side (front side) than the front end of the relief portion 11f provided on the first protruding strip portion 11 d. By providing such relief portions 11f on the first and second protruding strip portions 11d, 11e, when the pivot portion 11b of the insertion body 11 is pivoted to the pivot support body 12 as described later, and when the insertion body 11 is rotated toward the pivot support body 12 about the pivot portion 11b locked to the pivot support body 12, the first and second protruding strip portions 11d, 11e are prevented from interfering with a case portion 12c and a flat plate-shaped support portion 12f of the pivot support body 12, respectively, which will be described later.

The engaging portion 11c of the insert body 11 is formed integrally with the insert plate portion 11a across the front and back surfaces of the tape of the fastener tape 5. Similarly to the insertion plate portion 11a, the thickness of the engaging portion 11c is set to be thinner in a portion disposed on the tape lower surface side than in a portion disposed on the tape upper surface side of the engaging portion 11 c.

The engaging portion 11c has a stepped surface 11g on which the element 6 on the mating side can be placed when the left and right element rows 2 are engaged, a quadrangular frustum-shaped projection 11h projecting forward (in the direction toward the element rows) from the stepped surface 11g, and a recessed portion 11i recessed along the side edge of the pivot support on the lower surface side of the engaging portion 11 c. In embodiment 1, the projection 11h of the engagement portion 11c is formed by changing the upper surface side (upper surface side) of the thin plate-like fitting plate portion 11a as shown in fig. 7.

By forming the projection 11h in the engagement portion 11c as described above, when the left and right element rows 2 are engaged, the projection 11h can be stably inserted between the upper and lower leg portions of the element 6 on the engagement partner side placed on the stepped surface 11g, and the engagement portion 11c and the element 6 can be easily engaged with each other. This can improve the engagement strength of the end portions of the left and right element rows 2 on the side of the separable interfitting piece 10.

Further, by forming the recess 11i in the engaging portion 11c, for example, when the insert plate portion 11a of the insert body 11 is inserted into the slider 4 after the slider 4 is held in the later-described pin portion 12a of the pivot body 12, it is possible to avoid interference between the engaging portion 11c of the insert body 11 and a partition wall provided in the element guide path 4h of the slider 4.

The above-mentioned pivot support 12 of the separable bottom end stop 10 in example 1 is formed continuously from the lower end edge of the right element row 2 across the front and back surfaces of the tape of the fastener tape 5. The pivot support 12 includes a pin portion 12a formed across the front and back surfaces of the right fastener tape 5, a box portion 12c formed to be thicker than the pin portion 12a from the rear end of the pin portion 12a via a first step portion 12b and having a substantially J-shape in front view, a protruding piece portion 12e extending to be thinner than the pin portion 12a from the upper surface side (upper surface side) of the pin portion 12a to the tape outer side via a second step portion 12d, and a flat plate-shaped support portion 12f extending to be provided on the lower surface side (lower surface side) of the box portion 12 c.

The needle portion 12a of the pivot support 12 is set such that the height dimension (thickness) in the tape front-back direction is larger than the groove width of the tape groove of the slider 4 (the interval between the upper and lower flanges 4 d) and smaller than the height dimension of the element guide path 4h of the slider 4 (the interval between the upper and lower wing plates 4a, 4 b). The pin portion 12a is formed so as to be inserted into the element guide passage 4h of the slider 4 and hold the slider 4 when the slider 4 is slid along the element row 2 to a position where it abuts against the first step portion 12b of the pivot support 12.

In addition, in order to avoid interference between a not-shown partition wall of the slider 4 and the pin portion 12a and the projecting piece portion 12e when the slider 4 is held at the pin portion 12a, a slant surface portion 12g (see fig. 2) inclined downward toward the front end edge thereof is formed on the upper surface side of the pin portion 12a and the projecting piece portion 12 e. Further, a recess 12h is provided in the lower surface side of the pin portion 12a so as to be recessed in the tape longitudinal direction from the side edge of the insert opposing surface.

The box portion 12c of the pivot support 12 is extended from the pin portion 12a to the tape end edge portion, and is formed to be bent from the tape end edge portion toward the insertion body 11 side, and has a substantially J-shape in front view so that the pivot portion 11b of the insertion body 11 can be engaged and disengaged from the side surface of the pivot support 12. In this case, the case portion 12c has a space portion 12i formed so as to receive the pivot portion 11b of the insert body 11 from the side surface of the pivot support body 12 when the slider 4 is held by the pin portion 12a, and an inner wall surface 12j rotatably locking the pivot portion 11b inserted through the space portion 12 i.

Further, the inner wall surface 12j of the case portion 12c has a first sliding surface 12m which is in sliding contact with the first flat surface 11m of the pivot portion 11b when the pivot portion 11b is pivoted, and a second sliding surface 12n which is in sliding contact with the second flat surface 11n of the pivot portion 11 b. In this case, the first sliding-contact surfaces 12m are arranged in parallel with respect to the tape length direction. The second sliding contact surface 12n is formed from the first sliding contact surface 12m through a bent portion, and is arranged obliquely to the tape longitudinal direction.

Further, a slit 12k having a groove width larger than the thickness of the insertion plate portion 11a is formed at the bent front end portion of the case portion 12c so that the insertion plate portion 11a of the insertion body 11 can be inserted. The slit 12k is disposed on the lower surface side of the case portion 12c so as to pass through the inner wall surface 12j from the outer wall surface of the case portion 12c, and the inner wall surface 12j on the lower side of the slit 12k is formed by the upper surface of the flat plate-shaped support portion 12 f.

The projecting piece portion 12e of the pivot support 12 is extended from the insertion body facing side edge of the pin portion 12a toward the tape outer side, and is provided to be thinner than the pin portion 12a in parallel with the tape upper surface and the tape lower surface of the fastener tape 5 toward the upper surface side of the pin portion 12a via the second step portion 12 d. In this case, the second step portion 12d is formed in the tape length direction.

The projecting piece 12e is disposed rearward of the position of the engaging portion 11c of the insertion body 11 when the left and right element rows 2 are engaged with each other in the tape longitudinal direction, and is disposed forward of the box portion 12c of the pivot support body 12. When the element rows 2 are engaged, the projecting piece portion 12e is overlapped with the insertion plate portion 11a of the insertion body 11 in the tape front-back direction, and is formed so that the lower surface of the projecting piece portion 12e is in surface contact with the upper surface of the insertion plate portion 11 a.

The flat plate-like support portion 12f of the pivot support 12 is formed on the lower surface side of the case portion 12c in parallel with the tape upper surface and the tape lower surface of the fastener tape 5. The flat plate-like support portion 12f is disposed on the rear side (end portion side of the box portion 12 c) of the position of the first step portion 12b in the tape length direction, and is disposed on the inner side of the position of the front end outer wall surface of the box portion 12c in the tape width direction with respect to the fastener tape 5 side. Further, the flat plate-like support portion 12f is disposed on the element row 2 side of the pivot portion 11b and extends to the tape outer side of the pivot portion 11b when the pivot portion 11b of the insertion body 11 is locked to the pivot support body 12. That is, the flat plate-like support portion 12f is formed to have a substantially rectangular shape when viewed from the front.

In example 1, the distal end surface of the flat plate-like support portion 12f is disposed parallel to the tape width direction, and forms a flat surface flush with the step surface of the first step portion 12 b. The left side surface of the flat plate-like support portion 12f (the side surface facing the second protrusion 11e of the insertion body 11 when the insertion body 11 is locked to the pivot support body 12) forms a flat surface flush with the outer wall surface of the distal end portion of the case portion 12 c.

Next, an operation when closing the slide fastener with separable bottom end stop 1 according to example 1 having the above-described configuration will be described.

First, the slider 4 is slid toward the pivot support 12 along the element row 2 disposed on the right fastener stringer 3, and the rear end portion (rear end portion) of the slider 4 is brought into contact with the first step portion 12b of the pivot support 12 and the front end surface of the flat plate-like support portion 12f, and the slider 4 is held by the pin portion 12 a.

At this time, since the inclined surface portion 12g is formed in the pin portion 12a and the projecting piece portion 12e of the pivot support 12, when the slider 4 is slid to abut against the front end surfaces of the first step portion 12b and the flat plate-like support portion 12f, the stop claw 4e of the slider 4 can smoothly ride on the upper surfaces of the pin portion 12a and the projecting piece portion 12 e. Further, by forming the inclined surface portion 12g, the pin portion 12a and the projecting piece portion 12e can be prevented from interfering with the partition wall of the slider 4. Further, since the front end surface of the flat plate-shaped support portion 12f is disposed parallel to the tape width direction as described above, the posture of the slider 4 can be kept straight in the tape longitudinal direction by abutting the slider 4 on the front end surface of the flat plate-shaped support portion 12 f.

Then, the pivot portion 11b of the insert body 11 disposed in the left fastener stringer 3 is brought into contact with the inner wall surface 12j of the case portion 12c through the space portion 12i of the pivot support body 12, whereby the pivot portion 11b is pivoted to the case portion 12c (see fig. 5). In this case, in the slide fastener 1 of example 1, the operation of pivotally supporting the pivot portion 11b to the box portion 12c can be arbitrarily selected by the following two methods.

First, as a first operation method, the pivot portion 11b of the insert body 11 is guided from the left side surface of the pivot support body 12, and the pivot portion 11b is inserted into the inner wall surface 12j of the case portion 12c through the space portion 12i between the case portion 12c and the slider 4, whereby the pivot portion 11b can be pivoted to the case portion 12c by abutting the inner wall surface 12j of the case portion 12c as shown in fig. 4.

In this case, in the slide fastener 1 of example 1, since the pivot portion 11b is provided so as to protrude only on the upper surface of the insert plate portion 11a, even if the flat plate-like support portion 12f extends toward the lower surface side of the case portion 12c, there is no possibility that the insert body 11 interferes with the flat plate-like support portion 12f when the pivot portion 11b is pivotally supported on the case portion 12 c.

Further, since the slit 12k is provided at the distal end portion of the case portion 12c, when the pivot portion 11b is pivoted to the case portion 12c, the insertion plate portion 11a of the insertion body 11 is inserted into the slit 12k, thereby preventing the insertion plate portion 11a from interfering with the case portion 12 c. In this case, the lower surface of the insertion plate portion 11a and the upper surface of the flat plate-like support portion 12f are brought into sliding contact with each other, whereby the pivot portion 11b can be smoothly guided and pivoted to the housing portion 12 c.

After the pivot portion 11b is pivoted to the case portion 12c, the insert body 11 is rotated about the pivot portion 11b toward the pivot portion 12, and the insert plate portion 11a of the insert body 11 is inserted into the element guide path 4h from the tape groove of the slider 4. At this time, the insert body 11 is rotated until the insert plate portion 11a abuts against the coupling post 4c of the slider 4 or until a position near the coupling post 4c is reached. Accordingly, the relative positional relationship between the insert body 11 and the pivot support body 12 can be set to a state in which the meshing of the element rows 2 can be stably started as shown in fig. 5.

On the other hand, as a second operation method, the pivot portion 11b of the insert body 11 is inserted into the space portion 12i of the pivot support body 12 from the left shoulder opening of the slider 4 through the element guide path 4h, and the pivot portion 11b is brought into contact with the inner wall surface 12j of the case portion 12c, whereby the pivot portion 11b can be pivotally supported on the case portion 12 c. Accordingly, as in the first operation method described above, the relative positional relationship between the insert body 11 and the pivot body 12 can be set to a state in which the meshing of the element rows 2 can be stably started as shown in fig. 4.

After the insert body 11 and the pivot body 12 are held in a predetermined positional relationship by the first operation method or the second operation method as described above, the slider 4 is slid forward in the element engagement direction. Accordingly, the projection 11h disposed on the engaging portion 11c of the insert body 11 is inserted between the upper and lower leg portions of the right element 6 (hereinafter, this element 6 is referred to as a first element 6 a) adjacent to the pivot support body 12, the engaging portion 11c is engaged with the first element 6a, and the left and right element rows 2 are sequentially engaged from this first element 6a, so that the slide fastener 1 can be easily closed.

As shown in fig. 6 and 7, in the slide fastener 1 of example 1 in which the left and right element rows 2 are engaged, the projecting piece portion 12e of the pivot support 12 is overlapped on the upper surface of the side edge portion of the pivot support of the insert plate portion 11a of the insert body 11 in the tape front-back direction, and the lower surface of the projecting piece portion 12e and the upper surface of the insert plate portion 11a are in surface contact with each other.

Further, a rear end region of the pivot portion 11b where the embedded plate portion 11a is disposed on the opposite surface side (lower surface side) including the corner portion is supported from the lower surface side by a flat plate-shaped support portion 12f extending in parallel with the embedded plate portion 11 a. At the same time, the rear end region is inserted into the slit 12k of the case portion 12c, and therefore, a part of the rear end region is supported from the upper surface side by the front end portion of the case portion 12 c. The rear end portion region is a region of the insertion plate portion 11a including at least a lower surface side (lower surface side) of a corner portion where the pivot portion 11b is arranged and a rear end side from the corner portion toward the tape inner side.

That is, in a state where the left and right element rows 2 are engaged with each other, the thin plate-shaped fitting plate portion 11a of the fitting body 11 is supported from the up-down direction so as to be sandwiched by the protruding piece portion 12e of the pivot support 12, the flat plate-shaped support portion 12f, and the front end portion of the case portion 12 c. Accordingly, even when the separable bottom end stop 10 receives, for example, a lateral pulling force in the tape width direction or an upward pushing force in the tape front-back direction, the protruding piece portion 12e of the pivot support body 12 overlaps with the upper surface of the insertion plate portion 11a, and supports the insertion plate portion 11a, and the distal end portion of the box portion 12c supports the insertion plate portion 11a from the upper surface side.

Therefore, even if the insertion plate portion 11a attempts to bend so as to curve convexly toward the upper surface side, it can be prevented from further deforming by surface contact with the protruding piece portion 12 e. Further, since the flat plate-shaped support portion 12f of the pivot support body 12 supports the lower surface side of the insertion plate portion 11a, even if the insertion plate portion 11a attempts to bend so as to be convex toward the lower surface side, deformation of the insertion plate portion 11a can be prevented.

As described above, in the slide fastener 1 of example 1, even if the separable bottom end stop 10 receives a lateral pulling force or an upward pushing force, the insert plate portion 11a can be prevented from being bent in the vertical direction, and therefore, the relative position and posture of the engaging portion 11c provided at the upper end portion of the insert plate portion 11a can be stably maintained. Therefore, the engagement between the engaging portion 11c and the right first element 6a can be stably maintained, and the element row 2 can be prevented from being disengaged from the end portion on the side of the separable insert 10.

In addition, in the slide fastener 1 of embodiment 1, the fastener elements 6 are sewn to the upper surface side of the fastener tape 5, and the tape grooves of the slider 4 are formed at positions close to the lower blade 4b as described above, so that the lower blade 4b is disposed at a position closer to the tape surface of the fastener tape 5 than the upper blade 4 a. Therefore, the projecting piece portion 12e projecting from the pin portion 12a to the tape outer side can be provided on the upper surface (upper surface) side of the pin portion 12a as described above, but since a sufficient space cannot be obtained between the lower blade 4b of the slider 4 and the tape surface of the fastener tape 5 on the lower surface (lower surface) side of the pin portion 12a, the projecting piece portion cannot be provided. That is, the projecting portion extending from the pin portion 12a can support the insertion plate portion 11a from the upper surface side, but cannot support the insertion plate portion 11a from the lower surface side. In this case, the lower surface of the insertion plate portion 11a is supported by the flat plate-shaped support portion 12f as described above. Therefore, even if the separable bottom end stop 10 receives a lateral pulling force or an upward pushing force, the engaged state of the element rows 2 can be stably maintained.

In particular, in the slide fastener 1 of example 1, when the left and right element rows 2 are engaged with each other, the first flat surface 11m of the pivot portion 11b and the first sliding surface 12m of the case portion 12c are separated from each other, and the second flat surface 11n of the pivot portion 11b and the second sliding surface 12n of the case portion 12c are in surface contact with each other. Therefore, for example, when the separable bottom end stop 10 is subjected to a lateral pulling force, the pivot portion 11b is relatively moved obliquely upward to the left along the second sliding surface 12n of the box portion 12c, and the distance between the first flat surface 11m of the pivot portion 11b and the first sliding surface 12m of the box portion 12c is shortened, so that the insert body 11 is moved so as to be pushed upward in the forward direction with respect to the pivot support body 12.

As a result, the projection 11h of the engaging portion 11c is inserted deeper between the upper and lower leg portions of the first element 6a, and therefore, the engaging portion 11c and the first element 6a can be engaged more firmly. Therefore, in the slide fastener 1 of the present embodiment 1, even if the separable bottom end stop 10 receives a lateral pulling force, the occurrence of the engagement crack can be reliably prevented.

Further, when the separable bottom end stop 10 is subjected to a lateral tensile force, the pivot portion 11b moves along the second sliding surface 12n of the box portion 12c as described above, and the first flat surface 11m of the pivot portion 11b and the first sliding surface 12m of the box portion 12c come into surface contact with each other, whereby the position of the pivot portion 11b can be stably maintained, and the pivot portion 11b can be prevented from coming off the box portion 12 c.

In the slide fastener 1 of example 1, when the left and right element rows 2 are separated and the slide fastener 1 is opened, first, the slider 4 is slid toward the separable bottom end stop 10 along the element rows 2, the rear end portion of the slider 4 is brought into contact with the first step portion 12b of the pivot support 12 and the front end surface of the flat plate-like support portion 12f, and the slider 4 is held by the pin portion 12 a. Accordingly, the left and right element rows 2 are separated, and the engagement between the engaging portion 11c of the insert body 11 and the first element 6a is also released.

Thereafter, the insertion body 11 is rotated counterclockwise about the pivot portion 11b so as to be away from the pivot body 12. Thereby, the insert plate portion 11a of the insert 11 is pulled out from the element guide path 4h of the slider 4. Further, as the insert body 11 is further rotated, as shown in fig. 8, the lower ends of the first protrusions 11d arranged on the upper surface side of the insert plate portion 11a contact the case portion 12c, and the lower ends of the second protrusions 11e arranged on the lower surface side contact the flat plate-like support portion 12f, and thereafter, the insert body 11 is rotated counterclockwise about the contact point therebetween. Accordingly, the pivot portion 11b of the insert 11 is easily pulled out from the case portion 12c to the left side surface through the space portion 12i between the rear end portion of the slider 4 and the bent front end portion of the case portion 12c, and therefore, the slide fastener 1 can be smoothly opened.

In embodiment 1, when the pivot portion 11b of the insert body 11 is pulled out from the case portion 12c, the pivot portion 11b of the insert body 11 may be pulled out from the space portion 12i through the element guide path 4h of the slider 4, instead of pulling out the pivot portion 11b to the left side surface through the space portion 12i as described above.

Example 2

FIG. 9 is a front view showing a hinge support body of the slide fastener with the separable bottom end stop according to example 2 of the present invention.

In example 2, the same reference numerals are used for members having the same configurations as those of the components and members described in example 1, and the description thereof will be omitted.

The pivot support 22 in the slide fastener 21 of embodiment 2 is formed as an inclined surface in which the front end surface of the flat plate-like support portion 22f is inclined downward from the rear end side as it separates from the fastener tape 5 with respect to the tape width direction. The structure of the slide fastener 21 of example 2 other than the distal end surface of the flat plate-like support portion 22f is basically the same as that of the slide fastener 1 of example 1.

In the slide fastener 21 of embodiment 2, when the slider 4 is held at the pin portion 12a, the rear end of the slider 4 is brought into surface contact with the first step portion 12b of the pivot support 22, whereby the posture of the slider 4 can be held straight in the tape longitudinal direction as in embodiment 1. Alternatively, by bringing the rear end of the slider 4 into surface contact with the front end surface of the flat plate-like support portion 22f, the posture of the slider 4 can be maintained in a state of being inclined counterclockwise with respect to the tape longitudinal direction in front view, as shown in fig. 9.

Accordingly, when the pivot portion 11b of the insert body 11 is pivoted to the case portion 12c of the pivot support body 22, for example, in the case of using the above-described first operation method (that is, in the case of inserting the pivot portion 11b of the insert body 11 from the left side surface of the pivot support body 22), the rear end of the slider 4 is brought into surface contact with the first step portion 12b of the pivot support body 22, and the posture of the slider 4 is kept straight in the tape longitudinal direction, whereby the pivot portion 11b of the insert body 11 can be smoothly inserted into the case portion 12c of the pivot support body 22 and pivoted to the case portion 12 c.

On the other hand, when the pivot portion 11b of the insert 11 is pivotally supported on the box portion 12c of the pivot support 22, for example, in the case of using the above-described second operation method (that is, in the case of inserting the pivot portion 11b of the insert 11 through the element guide path 4h of the slider 4), the rear end of the slider 4 is brought into surface contact with the front end surface of the flat plate-shaped support portion 22f, and the posture of the slider 4 is maintained in the inclined state, whereby the pivot portion 11b of the insert 11 can be smoothly inserted into the box portion 12c of the pivot support 22 and pivotally supported on the box portion 12 c.

That is, in the slide fastener 21 of embodiment 2, the posture of the slider 4 can be easily changed according to the operation method when the pivot portion 11b of the insert 11 is pivoted to the box portion 12 c. Accordingly, the operation of pivoting the pivot portion 11b of the insert 11 to the case portion 12c can be performed more smoothly, and therefore, the operability of the slide fastener 21 can be further improved.

Claims (5)

1. A slide fastener with a separable bottom end stop in a slide fastener (1, 21) with a separable bottom end stop (10) in which a slider (4) is inserted through an element row (2) comprising coiled or zigzag continuous fastener elements (6) attached to opposite tape side edge portions of a pair of right and left fastener tapes (5), the slide fastener having an insert body (11) fastened to one end of one of the element rows (2) and a pivot support body (12, 22) fastened to one end of the other of the element rows (2), the insert body (11) having a thin plate-like insert plate portion (11 a) fastened to the front and back surfaces of the fastener tapes (5) and having an upper surface and a lower surface, and a pivot portion (11 b) provided so as to protrude from an end portion of the insert plate portion (11 a) opposite to the element row (2), the pivot support body (12, 22) having an upper surface and a lower surface, the pivot support body (12, 22) is provided to extend in the tape length direction from the end of the element row (2) to the tape end side, and has a pin portion (12 a) for holding the slider (4) and a box portion (12 c) extending from the pin portion (12 a), the box portion (12 c) has a substantially J-shape capable of engaging and disengaging the pivot portion (11 b) from the side surface of the pivot support body (12, 22) and engaging and disengaging through a tooth guide path (4 h) formed in the slider (4),

it is characterized in that the preparation method is characterized in that,

the pivot portion (11 b) is provided only on the upper surface of the insertion plate portion (11 a) in a protruding manner,

the pivoting support body (12, 22) has a protruding piece part (12 e) extending from the upper surface of the needle part (12 a) to the outside of the tape, supporting the upper surface side of the embedded plate part (11 a) when the element rows (2) are engaged, and a flat plate-shaped support part (12 f, 22 f) extending from the lower surface side of the box body part (12 c) to the outside of the tape, supporting the lower surface side of the embedded plate part (11 a) when the element rows (2) are engaged.

2. The slide fastener with separable bottom end stop of claim 1, wherein said box portion (12 c) extends from said pin portion (12 a) through a step portion (12 b),

the flat plate-like support portions (12 f, 22 f) are disposed on the side of the case (12 c) from the position of the step portion (12 b) and on the side of the element row (2) from the pivot portion (11 b) engaged with the pivot support bodies (12, 22) in the tape length direction, and are disposed on the inner side from the position of the outer wall surface of the case (12 c) on the side of the pivot support bodies (12, 22) and on the outer side from the pivot portion (11 b) engaged with the pivot support bodies (12, 22) in the tape width direction.

3. The slide fastener with a separable bottom end stop of claim 1,

the insert body (11) has an engaging portion (11 c) that engages with the continuous fastener element (6) on the other side at the base end portion of the insert plate portion (11 a) on the element row (2) side,

the element row (2) is sewed with a core thread (7) inserted into the continuous fastener element (6),

one end of the core rope (7) is embedded in the engaging portion (11 c).

4. The slide fastener with a separable bottom end stop according to claim 3, wherein said engaging portion (11 c) comprises a protrusion (11 h) protruding toward said element row (2), and said protrusion (11 h) is formed on a portion of said insert plate portion (11 a) on a side close to an upper surface thereof.

5. The slide fastener with the separable bottom end stop according to claim 1, wherein the flat plate-like support portions (12 f, 22 f) support an end region including the lower surface side portion of the end portion of the bottom plate portion (11 a) where the pivot portion (11 b) is formed.