KR101942659B1 - Rack and pinion for portable thermal sublimation printer - Google Patents

Abstract

The present invention relates to a rack apparatus of a portable sublimation printer, which can simultaneously control the up/down movement of a platen roller and the up/down movement of a paper pick-up roller of a portable sublimation printer using a rack and pinion device; and which can form a portable sublimation printer having a small thickness and a light weight.

Description

[0001] Rack and pinion for portable sublimation printer [0002]

The present invention relates to a portable sublimation printer capable of controlling a platen roller up / down of a portable sublimation printer and an up / down operation control of a paper pickup roller simultaneously with a rack and pinion mechanism and constituting a portable sublimation printer having a small thickness and a light weight To a rack apparatus of a portable sublimation printer.

Recently, according to the rapid spread of smart phones, many people take pictures of events or everyday life.

Most printers are in the office or at home, and most printers are black and white printers.

Even if you have a color printer, you will not be able to print high-quality photos. In order to print photos taken with a smartphone, you have no choice but to print photos through a professional printer.

For this reason, portable sublimation printers capable of printing pictures photographed on a smart phone on the spot with high quality are gradually being developed and distributed.

The sublimation type printer is configured such that the thermal recording head sequentially prints three colors of yellow (Y), magenta (M), and cyan (C) on the printing paper to print the image on the printing paper with high quality.

At this time, the up / down operation of the paper pick-up roller for moving the printing paper and the operation for up / down control of the printing roller for bringing the printing paper into close contact with the heat-sensitive recording head must be coordinated with each other at the correct timing.

For this reason, in the conventional portable sublimation printer, the up / down operation of the pickup roller and the up / down operation of the platen roller are operated by using the cam. However, since the DC motor is used when the cam device is used, There is a problem that the reflector is required, the apparatus is complicated, the thickness of the printer is increased, and the weight is increased.

In addition, a device for winding the ribbon in conjunction with the operation of transferring the printing paper to the thermal recording head and printing it is necessary. A separate lever is required to transmit / cut the power to the device for winding the ribbon, There is a problem that the flatturn-down operation is unclear or the power switching is not performed smoothly.

Document 1: KIPO No. 10-1486327, "Cap Device of Portable Sublimation Printer" Document 2: Korean Patent Registration No. 10-1507064, "Ribbon take-up reel driving device of sublimation type photo printer" Document 3: Korean Patent Registration No. 10-0226018, "Image Printer"

SUMMARY OF THE INVENTION It is an object of the present invention to provide a rack and pinion mechanism capable of precisely controlling up / down driving of a platen roller and a pick-up roller by sliding a rack, It is an object of the present invention to provide a rack apparatus for a portable sublimation printer in which a pickup roller can be driven to rotate without a separate motor and the power of the swing gear is simultaneously switched by slide movement of the rack.

It is also an object of the present invention to provide a rack apparatus of a portable sublimation printer which is simple in construction and thin in thickness and light in weight.

In order to accomplish the above object, the present invention provides a rack having a rack (106) having a rack gear (107) engaged with a pinion (102) and slidable in a printer frame; A wedge portion 115 in the form of an inclined surface which is fastened to one side of the rack 106 and raises the platen roller 133 when the rack 106 slides; A swing lever 117 which rotates the swing lever 117 when the rack 106 is slid and transmits or blocks power to the take-up unit driving unit 127; And a pick-up roller driving unit for raising or lowering the pick-up roller 105 located on the upper portion of the cartridge housing 134 in which the printing paper is stored when the rack 106 is slid, The rotation of the turn roller 133, the rotation of the swing lever 117, and the lifting and lowering of the pickup roller 105 are operated.

The platen roller lifting / regulating part regulates the lifting / lowering of the platen roller 133 when the rack 106 slides.

The pickup roller driving unit includes a horizontal section 109 and a pickup roller guide groove 108 formed in a side surface of the rack 106 and formed of a slope section 110 in which the horizontal section 109 is inclined A pickup roller shaft 105a spaced apart from the bracket shaft 104a by a hinge and hinged to the pickup roller bracket 104; A pickup roller bracket arm 128 protruding from the bracket shaft 104a in a direction orthogonal to the bracket shaft 104a and a projection protruding from the bracket arm 128 and inserted into the pickup roller guide groove 108, The pickup roller 105 is configured to move up and down about the bracket shaft 104a when the projection 129 of the pickup roller bracket arm 128 passes the inclined section 110 .

The pickup roller gear 103 is coupled to the pickup roller shaft 105a and the pickup roller gear 103 is engaged with the pinion 102 to rotate the pickup roller 105 in conjunction with the rotation of the pinion 102. [ Is driven to rotate.

The swing lever 117 includes a rod-shaped body 118, a capstan roller shaft fixing groove 119 formed at one side of the body 118 to receive a shaft of the capstan roller 132, A swing gear 120 hinged at a predetermined distance from the capstan roller shaft fixing groove 119 and a swing lever fixing hole 121 protruding from the other side of the body 118 are formed, The swing lever 121 is configured to abut the swing gear guide surface 112 formed on the lower surface of the rod 111 extending to a predetermined height h from the rack 106, The swing gear 120 is engaged with or separated from the take-up gear 126 when the fastener 121 passes through the slant face 114 of the swing gear guide face 112.

The swing gear 120 is configured to engage with the gear coupled to the shaft of the capstan roller 132 and to rotate in conjunction with the capstan roller 132, The capstan roller 132 and the take-up gear 126 rotate in conjunction with the capstan roller 132 when the capstan roller 132 rotates.

The platen roller lifting and regulating portion has a planet roller shaft fixing groove 124 in which a shaft of the platen roller 133 is inserted, and a capstan roller 132 A platen arm 122 is formed at the other side of the platen roller shaft fixing groove 124. The platen arm fixing groove 125 has a laterally protruding shape, The platen arm fixture 125 is configured to abut the swing gear guide surface 112 formed on the lower surface of the rod 111 extending to a predetermined height h from the rack 106, When the slide plate fixing member 125 contacts the lower surface of the rack 106 through the inclined surface 114 of the swing gear guide surface 112 when the slide is moved, .

The wedge part 115 is formed on one side of the rack 106 in the form of an inclined plane so that when the wedge part 115 is inserted or pulled out below the platen bracket 136 when the rack 106 slides, And the roller 133 is moved up and down.

The rack apparatus of the portable sublimation printer having the above-described structure can precisely control the up / down driving of the platen roller and the pick-up roller by sliding the rack, and the pick- And the power switching of the swing gear is simultaneously performed by the slide movement of the rack. Therefore, the portable sublimation printer having a simple structure can be constructed.

1 is a sectional view showing the internal structure of a portable sublimation printer according to the present invention;
2 is a front perspective view showing a main part of a portable sublimation printer rack apparatus according to the present invention;
3 is a rear perspective view showing a main part of a portable sublimation printer rack apparatus according to the present invention.
4 is a perspective view showing a pickup roller bracket constituting a rack device of the present invention.
5 is a front perspective view showing a rack constituting the rack apparatus of the present invention.
Fig. 6 is a front view showing a rack constituting the rack apparatus of the present invention; Fig.
7 is a rear perspective view showing a rack constituting the rack apparatus of the present invention.
8 is a rear view showing a rack constituting the rack apparatus of the present invention.
9 is a perspective view showing a swing lever and a platen rock constituting the rack device of the present invention.
10 is a front view showing a rack apparatus in a neutral state.
11 is a front view showing the rack device in a state in which the rack is slid rearward.
12 is a front view showing a rack device in which the rack is not slid forward;
13 is a rear view showing a rack apparatus in a neutral state.
14 is a rear view showing the rack device in a state in which the rack is slid rearward.
Fig. 15 is a rear view showing a rack device in which the rack is not slid forward; Fig.
FIGS. 16 to 21 are diagrams showing operation steps of the portable sublimation printer of the present invention in steps.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the present invention and the accompanying drawings, wherein like reference numerals refer to like elements.

It is to be understood that when an element is referred to as being "comprising" another element in the description of the invention or in the claims, it is not to be construed as being limited to only that element, And the like.

In general, as shown in FIG. 1, a portable sublimation printer is configured such that a cartridge housing 134 in which a printing paper is housed is housed inside the printer, and when the printing procedure is entered, the pickup roller 105 is lowered to the inside of the cartridge housing 134 The uppermost print paper among the stacked print paper is taken out from the cartridge housing 134 to allow the print paper to pass the thermal recording head 130. [

The drawn printing paper passes over the thermosensitive recording head 130 by driving the pinch roller 131 and the capstan roller 132 of the printer and then enters the lower portion of the thermosensitive recording head 130 again so that the thermosensitive recording head 130 And prints a specific color on the printing paper by heating.

At this time, the platen roller rises to closely contact the print paper with the thermal recording head 130.

When the specific color is printed, the platen roller 133 descends. After the printing paper is moved by driving the pinch roller 131 and the capstan roller 132 to pass the thermal recording head 130, the pinch roller 131 and the capstan roller 132 to move the print sheet to the thermal recording head 130 to print another color. At this time, the platen roller 133 rises to closely contact the print paper with the thermal recording head 130.

This process is repeated to print cyan (C), magenta (M), and yellow (Y) in order to print a photo on a printing paper.

In this printing process, the platen roller 133 rises to closely contact the printing paper to the thermal recording head 130 during the printing process. In the simple movement of the printing paper other than the printing process, the platen roller 133 descends, In the printing process, the winding unit driving unit 127 of the printer continuously rotates the ribbon to feed the new ribbon, thereby maintaining the print quality.

The rack apparatus of the sublimation printer according to the present invention is configured to drive and control the pickup roller 105, the platen roller 133 and the winding unit driving unit 127 of the printer in cooperation with each other through a rack and a pinion mechanism do.

2 and 3, the pinion 102 is connected to the shaft of the mode motor 101, and the pinion 102 is connected to the rack gear 107 formed on the upper surface of the rod-shaped rack 106 ).

At this time, it is preferable that the rotation shaft of the mode motor 101 and the pinion 102 are connected through a reduction gear 135.

The rack 106 is provided with a pickup roller driving unit for raising and lowering the pickup roller 105. The configuration of the driving unit of the pickup roller 105 is as follows.

The pinion 102 is fastened to one side of a bracket shaft 104a hinged to a print body (not shown) as shown in FIG. 4, and fastened to the bracket shaft 104a so as to freely rotate.

4, the pick-up roller bracket 104 includes a bracket shaft 104a having both ends hinged to a printer body (not shown) and a pick-up roller shaft 104a spaced apart from the bracket shaft 104a by a predetermined distance, A pickup roller 105a fixed to the pick-up roller shaft 105a, and a pick-up roller 105 fixed to the pickup roller shaft 105a.

At this time, it is preferable that the pickup roller 105 is housed and protected by a pickup roller cover 105b formed on the bracket shaft 104a.

One end of the pickup roller shaft 105a is fixed to the pickup roller gear 103 and the pickup roller gear 103 is engaged with the pinion 102. [

4, a pickup roller bracket arm 128 having a predetermined length is protruded in the direction perpendicular to the axis 104a, and the bracket arm 128 is provided with a projection 129 at one side thereof Respectively.

As shown in FIG. 3, the pinion 102 is engaged with a rack gear 107 formed on the upper surface of the rack 106. The rack 106 has a rack gear (not shown) 8, a rod 111 is formed at an end of the rack 106 in such a manner that a rack 106 extends from the rack 106. The rod 111 is extended from the rack 106 by a height h Respectively.

A swing gear guide surface 112 is formed on a lower surface of the rod 111. The swing gear guide surface 112 is composed of a slanted surface 114 inclined at a predetermined angle with a flat horizontal surface 113.

A pickup roller guide groove 108 is formed on one side of the rack 106 such that the flat horizontal section 109 and the horizontal section 109 are inclined downward And an inclined section 110 formed in an elongated shape.

The projection 129 of the pickup roller bracket arm 128 of the pickup roller bracket 104 is inserted into the groove-shaped pickup roller guide groove 108 formed on one side of the rack 106 described above.

As shown in Figs. 2 and 5 to 8, a wedge portion 115 in the form of an inclined surface is integrally formed with the rack 106 on one side of the rack 106.

When the rack 106 is slid by the rotation of the pinion 102, the projection 129 formed on the bracket arm 128 of the pickup roller bracket 104 is engaged with the pickup roller guide groove 108 to rotate about the bracket shaft 104a, and the pickup roller 105 is driven to ascend and descend.

The swing lever 117 and the platen arm 122 of Figs. 2 and 3 are controlled by the rod 111 with the end of the rack 106 extended.

9, the swing lever 117 includes a body 118 formed in a rod shape, a capstan roller shaft fixing groove 119 formed in a hole on one side of the body 118, The swing lever fixing hole 121 protrudes sidewise from the other side of the swing lever fixing hole 118.

A swing gear 120, which rotates in conjunction with the capstan roller 132, is hinged to an upper portion of the capstan roller shaft fixing groove 119.

The capstan roller shaft fixing groove 119 is formed in a hole on one side of the body 123 and the capstan roller shaft fixing groove 119 is formed on the other side of the body 123 And a planet roller shaft fixing groove 125 is formed in the center of the body 123 in the form of a hole.

The capstan roller shaft is inserted into the capstan roller shaft fixing groove 119 of the swing lever 117 and the platen arm 122. When the shaft of the capstan roller 132 is inserted into the capstan roller shaft fixing groove 119 of the swing lever 117 and the platen arm 122 as shown in FIG. 1, the swing lever fixing hole 121 and the platen arm fixture 125 of the platen arm 122 are brought into contact with the swing gear guide surface 112 which is the lower surface of the rod 111 of the rack 106.

The swing gear 120 is located at one side of the take-up gear 127 of the take-up unit driving unit 127 that winds the ribbon inside the printer.

The operation of the rack apparatus of the portable sublimation printer of the present invention constituted as described above will be described.

Figs. 10, 13, and 16 are diagrams showing states of the rack apparatus in a neutral state in which the printer is not operated in the printing operation.

In the neutral state, the projection 129 formed on the pickup roller bracket arm 128 of the pickup roller bracket 104 is positioned below the inclined section 110 of the pickup roller guide groove 108, and the pickup roller 105 is in the raised state to be.

The swing lever fixing tool 121 of the swing lever 117 and the platen arm fixing tool 125 of the platen arm 122 are engaged with each other in the direction of the inclined surface 114 of the swing gear guide surface 112 which is the lower surface of the rod 111 And the swing gear 120 of the swing lever 117 is spaced apart from the take-up gear 126 by a predetermined distance.

Also, the platen roller 133 is in the full down position, the pickup roller 105 is in the full up position, and the paper is located inside the cartridge housing 134.

When the printer starts printing in this state, the rack 106 moves slightly to the left (in the direction of the thermal recording head 130) as shown in Fig. 17, and the wedge portion 115 formed on one side of the rack 106 is moved Raise the bracket 136 slightly to lift the platen roller 133 to the half up position.

The swing lever fixture 121 of the swing lever 117 moves from the horizontal plane 113 of the rack 106 to the slope 114 while the rack 106 moves slightly to the left, 127 to rotate the take-up unit driving unit 127 in the counterclockwise direction to supply the new ribbon to the thermo-sensitive recording head 130.

At this time, since the projection 129 of the pickup roller bracket arm 128 is still positioned in the slope section 110 of the pickup roller guide groove 108, the pickup roller 105 is kept in the up state without being lowered.

When the new ribbon is supplied to the thermal recording head 130 as described above, the mode motor 101 is driven to rotate the pinion 102 to rotate the rack 106 in the right direction The opposite direction of the head 130).

11 and 14, the projection 129 of the pickup roller bracket arm 128 is engaged with the inclined section 110 of the pickup roller guide groove 108 of the rack 106. As a result, The pickup roller 105 rotates about the bracket shaft 104a and descends as the pickup roller bracket arm 128 rotates about the bracket shaft 104a.

3, the pickup roller gear 103 of the pickup roller shaft 105a is engaged with the pinion 102, so that the pickup roller 105 descends and rotates to rotate in the cartridge housing 134 located below the pickup roller 105 Draw out the stored paper.

At this time, the pickup roller 105 is rotated about the pickup roller shaft 105a during the period in which the pinion 102 rotates and the rack 106 slides.

The swing lever fixing tool 121 of the swing lever 117 and the platen arm fixing tool 125 of the platen arm 122 are engaged with the horizontal section of the swing gear guide surface 112 which is the lower surface of the rod 111 of the rack 106 And the swing gear 120 is positioned (unmated) on one side of the gear of the take-up part drive unit 127 that winds the ribbon inside the printer.

When the printing process of the printer is started, the pickup roller 105 descends as shown in FIG. 18 and pulls out the printing paper while contacting with the paper positioned at the uppermost position of the cartridge housing 134, Move until you pass.

At this time, the platen roller 133 maintains a full down position.

When the pickup roller 105 descends to draw the print paper out of the cartridge housing 134 to allow the print paper to pass the thermal recording head 130 as shown in FIG. 18, And printing is performed.

After the sheet passes through the thermal recording head 130, the mode motor 101 is driven in the opposite direction to rotate the pinion 102 in the reverse direction as shown in Figs. 12, 15 and 19, Head 130 direction).

When the rack 106 is moved to the left as shown in FIGS. 12, 15 and 19, the protrusions 129 of the pickup roller bracket arm 128 are engaged with the inclined sections 110 of the pickup roller guide grooves 108 of the rack 106 The pickup roller 105 rotates about the bracket shaft 104a and moves upward so that the pickup roller 105 rotates about the axis of the pickup roller 105. As a result, 105) and the paper are separated.

The swing lever fixing tool 121 of the swing lever 117 and the platen arm fixing tool 125 of the platen arm 122 are inclined to the inclined surface of the swing gear guide surface 112 which is the lower surface of the rod 111 of the rack 106 114 to move to the lower portion of the rack 106 along the horizontal plane 113.

Since the shaft of the capstan roller 132 of the printer is inserted into the capstan roller shaft fixing groove 119 of the swing lever 117 and the platen arm 122 as shown in FIGS. 16 to 21, the swing lever 117 The swing lever fixing member 121 of the swing lever fixing member 121 and the platen arm fixing member 125 of the platen arm 122 are moved along the inclined surface 114 of the swing gear guide surface 112 which is the lower surface of the rod 111 of the rack 106 The swing lever 117 and the platen arm 122 rotate about the shaft of the capstan roller 132 (the capstan roller shaft fixing groove 119 of Fig. 11) when the swing lever 117 and the platen arm 122 move down the rack 106 along the horizontal plane 113, Counterclockwise direction}.

When the swing lever 117 rotates as described above, the swing gear 12 of the swing lever 117 is engaged with the take-up gear 126 to rotate the take-up portion driving unit 127, (130).

Although not shown in the drawing, the swing gear 120 is engaged with gears (not shown) of a rotating capstan roller in the printing process, so that the power of the capstan roller 132 is supplied to or blocked from the winding drive unit 127 .

The wedge portion 115 formed on one side of the rack 106 is inserted into the lower portion of the platen bracket 136 to move the platen roller 133 Up to a full up position so that the platen roller 133 closely contacts the print paper with the thermal recording head 130 so that the printing is cleaned.

Then, as shown in FIG. 20, the rack moves to the right to move the wedge portion to lower the platen roller to the pull-down position, rotate the pinch roller 131 and the capstan roller 132, And moves to the left to pass the thermal recording head 130.

The sublimation printer is cyan (C), magenta (M). And yellow (Y) color are sequentially printed. One color is printed through the above process, and the remaining colors are printed by repeating the above process.

After all three colors have been printed, the printing process is completed by discharging the printing paper from the printer as shown in FIG. 21, thereby discharging the thermal paper 130 while overcoating the surface of the printing paper, I'm going back.

The platen arm fixture 125 of the platen arm 122 is coupled to the horizontal surface 113 of the rod 111, as shown in Fig. 10, so that the platen roller 133 is prevented from rising when the printer is in a neutral state. The platen arm 122 rotates as the platen arm 122 moves away from the swing gear guide surface 112 as shown in Fig. 14, The platen roller 133 can be raised.

As described above, the present invention can precisely control the up / down driving of the platen roller 133 and the pickup roller 105 by using the rack 106 and the pinion mechanism 102, The pickup roller 105 can be driven to rotate without any motor by the slide movement and the power switching of the swing gear 120 is simultaneously performed by the slide movement of the rack 106. Thus, You can configure the printer.

The technical idea of the present invention has been described above with reference to the embodiments.

It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described above from the description of the present invention.

Further, although not explicitly shown or described, those skilled in the art can make various modifications including the technical idea of the present invention from the description of the present invention Which is still within the scope of the present invention.

The above-described embodiments described with reference to the accompanying drawings have been described for the purpose of illustrating the present invention, and the scope of the present invention is not limited to these embodiments.

101: Mode motor
102: pinion
103: Pickup roller gear
104: Pickup roller bracket
104a: Bracket shaft
105: Pickup roller
105a: pickup roller shaft
105b: pickup roller cover
106: Rack
107: Racks
108: Pickup roller guide groove
109: Horizontal section
110: slope section
111: Load
112: Swing gear guide face
113: Horizontal plane
114: slope
115: Wedge portion
117: Swing lever
118: Body
119: Capstan roller shaft fixing groove
120: Swing gear
121: Swing lever fixture
122: Flampton Arm
123: Body
124: Platen roller shaft fixing groove
125: Platen arm fastener
126: Winding gear
127:
128: Pickup roller bracket arm
129: projection
130: thermal recording head
131: Pinch roller
132: capstan roller
133: Platen roller
134: cartridge housing
135: Reduction gear
136: Platen bracket

Claims (8)

A rack 106 having a rack gear 107 to be engaged with the pinion 102 to slide in the printer frame;
A wedge portion 115 in the form of an inclined surface which is fastened to one side of the rack 106 and raises the platen roller 133 when the rack 106 slides;
A swing lever 117 that rotates the swing gear 120 when the rack 106 is slid and transmits or blocks power to the take-up unit driving unit 127; And
And a pick-up roller driving unit for raising or lowering the pick-up roller 105 located on the upper part of the cartridge housing 134 in which the printing paper is stored when the rack 106 is slid on the rack 106. Thus, And the raising and lowering of the roller (133), the rotation of the swing lever (117), and the raising and lowering of the pickup roller (105).
The method according to claim 1,
And a platen roller lifting / regulating portion that regulates the lifting / lowering of the platen roller (133) when the rack (106) is slid.
3. The method according to claim 1 or 2,
Wherein the pick-
A pickup roller guide groove 108 formed in a side surface of the rack 106 in the form of a groove and formed of a slope section 110 in which the horizontal section 109 is inclined,
A bracket shaft 104a hinged to the printer frame;
A pickup roller shaft 105a spaced apart from the bracket shaft 104a by a predetermined distance and hinged to the pickup roller bracket 104;
A pickup roller bracket arm 128 protruding from the bracket shaft 104a in a direction perpendicular to the bracket shaft 104a;
The protrusion 129 protrudes from the bracket arm 128 and is inserted into the pickup roller guide groove 108 so that the protrusion 129 of the pickup roller bracket arm 128 passes through the slope section 110 , And the pick-up roller (105) rotates about the bracket shaft (104a) and ascends and descends.
The method of claim 3,
The pickup roller gear 103 is engaged with the pickup roller shaft 105a and the pickup roller gear 103 is engaged with the pinion 102 so that the pickup roller 105 rotates in conjunction with the rotation of the pinion 102, And a driving unit for driving the sublimation printer.
3. The method according to claim 1 or 2,
The swing lever (117)
A capstan roller shaft fixing groove 119 formed at one side of the body 118 and having a shaft of the capstan roller 132 inserted therein,
A swing gear 120 hingedly spaced apart from the capstan roller shaft fixing groove 119 by a predetermined distance;
And a swing lever fixing hole 121 protruding from the other side of the body 118. The swing lever fixing hole 121 is formed at a lower portion of the rod 111 extending to a predetermined height h from the rack 106, And is in contact with the swing gear guide surface 112 formed on the surface,
The swing gear 120 is engaged with or separated from the take-up gear 126 when the rack 106 is slid and the swing lever fixing tool 121 passes the slant surface 114 of the swing gear guide surface 112 Wherein said rack-type printer is a rack-type apparatus for a portable sublimation printer.
6. The method of claim 5,
The swing gear 120 is configured to engage with a gear coupled to the shaft of the capstan roller 132 and to rotate in conjunction with the capstan roller 132. When the swing gear 120 is engaged with the toothed gear 126 And the take-up gear (126) is configured to rotate in conjunction with the capstan roller (132).
3. The method of claim 2,
The platen roller lifting /
A capstan roller shaft fixing groove 124 in which a capstan roller 132 is inserted is formed at one side of the platen roller shaft fixing groove 124, (119)
A platen arm 122 is formed on the other side of the platen roller shaft fixing groove 124, with a platen arm fixture 125 projecting laterally,
The platen arm fixture 125 is configured to abut the swing gear guide surface 112 formed on the lower surface of the rod 111 extending to a predetermined height h from the rack 106,
When the platen arm fixture 125 contacts the lower surface of the rack 106 through the inclined surface 114 of the swing gear guide surface 112 when the rack 106 slides, And to release the regulation.
3. The method according to claim 1 or 2,
The wedge part (115)
And is configured to raise and lower the platen roller 133 while the wedge portion 115 is inserted or drawn out below the platen bracket 136 when the rack 106 is slid when the rack 106 is slid, Wherein said rack-type printer is a rack-type apparatus for a portable sublimation printer.

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