JP5110949B2 - Achilles tendon protector - Google Patents

Description

  The present invention relates to an Achilles tendon protector, and more particularly to a device that protects a person's Achilles tendon when a carriage or the like may come into contact with the person's Achilles tendon.

Various carts are used in shipping companies and factories. When using the dolly, which may the baggage is loaded high to ensure a good forward view becomes difficult. In addition, the cart may come into contact with the legs of other workers during the work.

Here, the height of the carriage, since substantially matches the height of the operator's Achilles tendon, it is important not to hurt the operator of the Achilles tendon by the contact.

  As a conventional protective device for protecting the Achilles tendon in the above-described operation, for example, a device described in Patent Document 1 is known.

In the conventional protective device, when the main body is attached to the rear side of the leg so as to cover the Achilles tendon with the plate-shaped main body, a lower belt extending laterally from the main body below the main body, The attachment is performed using an upper belt that extends laterally from the main body on the upper side of the main body.
Design Registration No. 1285191

  By the way, in the conventional protective device, when the main body (protective device) is attached to a person's leg, the belts extend in the lateral direction and turn around the front side of the human leg, and the leading end of each belt is the main body. It is designed to be fixed to the part. Here, since the lower belt is rotating near the upper side of the instep of a person, a person who wears a protective device is applied with a force (stretching force, etc.) from the instep of the lower belt to the lower belt by walking of the person. When working, there is a problem that the mounting position is shifted upward, for example.

  The present invention has been made in view of the above problems, and in an Achilles tendon protector for protecting a person's Achilles tendon, even if the person walks after wearing on the person's leg, the Achilles tendon is difficult to shift. The purpose is to provide protective equipment.

The invention of claim 1 includes a main body portion covering a portion of the Achilles tendon, extending from the front lower portion of one side of the main body portion obliquely upward, the intermediate portion Re away from instep of a human foot A first belt that rotates around a front portion of a person 's leg and is fixed to a front upper portion of the other side portion of the main body portion; and a front lower portion of the other side portion of the main body portion It extends obliquely upward from the side part, the middle part is separated from the instep of the person's foot, turns around the part on the front side of the person's leg, intersects the middle part of the first belt, and the part on the tip part side It is an Achilles tendon protector which has a 2nd belt fixed to the site | part of the front upper side of one side part of a main-body part.

  According to a second aspect of the present invention, in the Achilles tendon protector according to the first aspect, one end is provided at a site on one side of the main body, and the other end is the other of the main body. This is an Achilles tendon protector having a lower belt that is provided at a portion on the side of the lower part and has an intermediate part that goes around the bottom of the person's foot.

According to a third aspect of the present invention, in the Achilles tendon protector according to the first or second aspect, the main body has a plate-shaped core material and a cover member that has air permeability and covers the core material. preparative are configured with a, in a state of being removed from the person of the legs, the body portion is turned flat, the core material of the main body, a number of order to improve breathability the through and holes provided, the through holes, when the main body is attached to the leg of the person, short elongated shape of the width in the vertical direction of the main body portion longer in the lateral direction of the body portion It is an Achilles tendon protector formed on.

Invention according to claim 4, in Achilles' tendon protector according to claim 3, wherein when the main body portion a part between the cover member and the core member is attached to the leg of the person a site located between the ankle of the person's foot and the core, the core material when the body portion comprising a portion between the cover member and the core member is attached to the leg of the person and in a site located between the upper part of the Achilles tendon of the person of the legs are Achilles tendon protector cushioning member.

The invention according to claim 5 is formed in a plate shape and viewed from the thickness direction, a lower part formed in a rectangular shape, and a lower base having the same length as one long side of the lower part, is formed in the lower portion integrally the lower bottom are formed at equal isosceles trapezoid shape is connected to one of the long sides of the lower portion and a upper base of a length shorter than the lower base An intermediate part and an upper part formed in a rectangular shape with a long side having the same length as the upper base of the intermediate part, and one long side connected to the upper base and formed integrally with the intermediate part; And a core member provided with air permeability, covering the core material so that all of the core material enters inside, and when viewed from the thickness direction of the core material, A main body configured to include a cover member that is substantially the same shape as the core material and is slightly larger than the core material; It extends from the cover member side portion located at one short side of the upper portion of the material in a direction substantially perpendicular to the side portion, and the portion on the tip portion side of the core material From the upper belt that is detachably attached to the part of the cover member located at the upper part, and the side part of the cover member that is located at one oblique side of the intermediate part of the core member, The first portion extends in a direction substantially perpendicular to the side portion, and the portion on the tip end side is detachable from the portion of the cover member located at the upper portion of the core member. And a side portion of the cover member located at the other oblique side of the intermediate portion of the core member, in a direction substantially perpendicular to the side portion, The part is located at the upper part of the core. A second belt that is detachably attached to the portion of the cover member, and one end portion at a portion of the cover member that is located near one corner of the lower portion of the core member There is provided in a freely detachable and pivoting, the portion of the cover member which is located at the vicinity of the other corner portion of the lower portion of the core material, freely and rotatably detachably the other end A lower belt provided, and the first belt has an intermediate portion when a tip side portion is fixed to a portion of the cover member located at an upper portion of the core member. There are composed of instep of a human foot so as around the front portion of the release Re human leg, said second belt portion of the front end portion is positioned at the upper portion of the core material When the middle part is separated from the instep of the person's foot It is an Achilles tendon protector configured to turn around the front part of the leg.

  According to the present invention, the Achilles tendon protector for protecting a person's Achilles tendon has an effect that the wearing position is not easily displaced even if the person walks after wearing on the person's leg.

  FIG. 1 is a front view showing a schematic configuration of an Achilles tendon protector 1 according to an embodiment of the present invention, and FIG. 2 is a rear view showing a schematic configuration of the Achilles tendon protector 1.

  FIG. 3 is a side view of the Achilles tendon protector 1, and is a view taken along the arrow III in FIG. 1. FIG. 4 is a front view showing a schematic configuration of the core member 3 of the Achilles tendon protector 1.

  FIG. 5 is a view showing a VV cross section in FIG. 1, and FIG. 6 is a view showing a state in which the Achilles tendon protector 1 is attached to a human leg.

  The Achilles tendon protector 1 is used by being attached to a leg of a person (operator) in order to protect the Achilles tendon of a worker who performs a moving work or the like from contact with a carriage or the like. The belt (band) 7, 9, 11, 13 is provided.

  The body portion 5 is formed in a plate shape, and when attached to a human leg, when viewed from the direction in which the leg extends (vertical direction), the body portion 5 is in a “U” shape and is positioned on the rear side of the leg. And the Achilles tendon is covered.

  The belt (first belt) 7 is provided to attach the main body 5 to a human leg, and is formed in a flat string shape, for example. Further, when the main body 5 (Achilles tendon protector 1) is attached to a human leg, the main body 5 is extended obliquely upward from a lower portion of one side of the main body 5. Further, the longitudinal intermediate portion, which is the extending direction of the belt 7, rotates around the front side portion of the human leg (the shin facing the opposite side of the Achilles tendon), and the tip side portion is the upper side of the main body portion 5. And is fixed to the other side portion of the main body 5.

The worker usually wears trousers and shoes, and the Achilles tendon protector is worn from above the trousers and shoes. are What I or a portion of the front side of the leg.

  Similarly to the belt 7, the belt (second belt) 9 is provided to attach the main body portion 5 to a human leg, and is formed in a flat string shape. And when the main-body part 5 is mounted | worn with a person's leg, it is extended in the diagonally upward direction from the site | part of the other side part of the main-body part 5 below. Further, the middle part of the belt 9 in the longitudinal direction turns around the front part of the human leg, and the tip part side part is an upper part part of the main body part 5 and one side part side part of the main body part 5. It is supposed to be fixed.

  Note that the intermediate portion of the belt 9 around the front portion of the human leg intersects with the intermediate portion of the belt 7 and forms an “X” shape together with the belt 7.

  The upper belt 11 is provided, for example, in an auxiliary manner in order to attach the main body 5 to a human leg, and is formed in a flat string shape. Then, when the main body 5 is attached to a human leg, the main body 5 extends laterally from the upper part of one side of the main body 5, and the middle part in the longitudinal direction is the front part of the human leg (facing A portion on the tip side around the upper side of the shin is a portion on the upper side of the main body 5 and is fixed to a portion on the other side of the main body 5.

  When the main body 5 is attached to a person's leg, the front portion of the belt 7 and the front end of the belt 9 are overlapped on the front portion of the upper belt 11 fixed to the main body 5. It is comprised so that at least any one of the site | parts of the side can be fixed.

  In addition, the first belt 7, the second belt 9, and the upper belt 11, for example, on the base end side portion, can be easily attached to a person's leg and enhance the fit after wearing, so that the operator feels uncomfortable. In order to prevent this, elasticity is provided in the longitudinal direction of each belt 7, 9, 11.

  The lower belt 13 is also provided, for example, in an auxiliary manner in order to attach the main body 5 to a human leg, and is formed in a flat string shape. One end in the longitudinal direction is a part on one side of the main body 5 and is provided on a lower part, and the other end is a part on the other side of the main body 5. It is provided in the lower part. In addition, when the main body 5 is attached to a person's leg, the intermediate part turns around the bottom of the person's foot (the bottom near the heel; the bottom of the footwear).

  Each end of the lower belt 13 has a thickness of the main body 5 by, for example, metal hooks or plastic hooks 15A and 15B so that the lower belt 13 can be easily attached when the main body 5 is attached to a human leg. One surface in the vertical direction (for example, the surface that becomes the outer side when the main body portion 5 is attached to a human leg) is detachable and rotatable (extends in a direction perpendicular to the thickness direction of the main body portion 5). It is rotatable about an axis; it is rotatable about an axis extending in a direction perpendicular to the paper surface of FIG.

  Parts of the lower belt 13 that are located near the respective end parts (parts other than the part that is located on the lower side of the foot when the main body 5 is attached to a person's leg) are the lower belts 13. Is provided with elasticity in the longitudinal direction so that the middle portion of the lower belt 13 can be easily installed on the bottom of the foot, and the uncomfortable feeling during walking can be eliminated. Moreover, the site | part located in the bottom of shoes among the site | parts of the lower side belt 13 is not equipped with elasticity, but is comprised with members, such as a synthetic fiber provided with abrasion resistance.

  The main body 5 is made of a hard member made of compressed polyethylene or the like and formed into a plate-like core material (core material that can withstand an impact when a cart or the like collides with the main body 5), and has air permeability and preferably wear resistance. And a cover member 17 made of a cloth-like material (for example, a mesh material made of a truss net or the like) and having a lower rigidity than the core material 3. The cover member 17 covers the core material 3.

  In a state where it is removed from a human leg, the main body 5 has a flat plate shape in which the direction perpendicular to the plane of FIG. 4 is the thickness direction. Further, the core material 3 of the main body portion 5 is provided with a large number of through holes 19 for improving air permeability. These through holes 19 are provided when the main body portion 5 is attached to a human leg. In addition, a long and narrow shape that is long in the lateral direction of the main body 5 (the direction in which the side portions of the main body 5 are connected to each other; the horizontal direction in FIG. 4) and short in the vertical direction of the main body 5 (vertical direction in FIG. 4). Is formed.

  A buffer member 21A is provided between the core member 3 and the cover member 17 and located between the core member 3 and the ankle of the person's foot when the main body 5 is attached to the person's leg. , 21B projecting (projecting toward the front side of the paper surface of FIG. 4) and provided integrally. Further, a buffer member 23 is also provided so as to protrude in a portion located between the core member 3 and the upper part of the Achilles tendon of the human leg.

When the core material 3 of the main body 5 is viewed from this thickness direction, as shown in FIG. 4, a lower part 25 formed in a rectangular shape, an intermediate part 27 formed in an isosceles trapezoidal shape, The upper part 29 is formed in a rectangular shape. The lower base of the intermediate part 27 has the same length as one long side of the lower part 25 ( the horizontal dimension of the lower part 25 in FIG. 4). Connected to one long side, the intermediate portion 27 is formed integrally with the lower portion 25. The upper base of the intermediate part 27 is shorter than the lower base.

  The upper part 29 is formed in a rectangular shape with a long side having the same length as the upper base of the intermediate part 27. One long side is connected to the upper base and formed integrally with the intermediate portion 27.

  The cover member 17 is formed in a plate shape, and covers the core material 3 so that the thickness direction of the cover member 17 substantially coincides with the thickness direction of the core material 3 so that all of the core material 3 enters inside. ing. When viewed from the thickness direction of the core material 3 in this state, it is substantially the same shape as the core material 3 and slightly larger than the core material 3 (see FIGS. 2 and 4).

  In addition, when viewed from the thickness direction of the main body 5, the corners of the core member 3 and the cover member 17 are appropriately arc-shaped in consideration of human safety when avoiding stress concentration and coming into contact with a person. Is formed.

  The base end portion of the upper belt 11 is integrally provided on the side portion of the cover member 17 located at one short side of the upper portion 29 of the core member 3. The upper belt 11 extends from the side portion of the cover member 17 located at one short side of the upper portion 29 of the core material 3 in a direction substantially perpendicular to the side portion (the upper side of the core material 3 The region 29 extends in the longitudinal direction (lateral direction). A portion of the upper belt 11 on the tip side is detachable from a portion 31 of the cover member 17 located at the upper portion 29 of the core member 3.

  More specifically, an engagement portion of Velcro (registered trademark) is provided on one rectangular surface of the upper belt 11 on the tip side. A portion 31 of the cover member 17 to which a portion on the tip end side of the upper belt 11 is attached / detached is provided with an engaged portion of a magic tape (registered trademark) formed in an elongated shape with a predetermined width. The engaged portion extends in the longitudinal direction of the upper portion 29 of the core member 3 and is one surface in the thickness direction of the main body portion 5 (a surface that becomes the outer side when the main body portion 5 is attached to a human leg). Is provided.

Incidentally, Magic the rectangular second surface portion of the front end portion of the upper belt 11 (surface opposite to the surface where the engagement portion is provided which engages the engaged portion of the part position 31) An engaged portion of a tape (registered trademark) is provided. As a result, the first belt 7 and the second belt 9 can be fixed on the upper belt 11.

  The base end portion of the first belt 7 is integrally provided on the side portion of the cover member 17 located at one oblique side of the intermediate portion 27 of the core member 3. And the 1st belt 7 is in the direction (diagonal direction) substantially orthogonal to this side part from the side part of the cover member 17 located in the one oblique side of the intermediate part 27 of the core material 3. FIG. Stretched. A portion of the first belt 7 on the tip end side is detachable from a portion 33 of the cover member 17 located at the upper portion 29 of the core member 3.

  More specifically, an engagement portion of Velcro (registered trademark) is formed on one rectangular surface of the upper belt 11 on the tip side. A portion 33 of the cover member 17 to which the portion on the tip end side of the first belt 7 is attached / detached is provided with a hooked portion of Velcro (registered trademark) formed in an elongated shape with a predetermined width. . This engaged portion is in the vicinity of the corner of the upper portion 29 of the core member 3 (the corner located on the side opposite to the side located on the base end side of the first belt 7). It is provided at a portion 33 of the cover member 17 that is positioned. The portion 33 of the cover member 17 to which the portion on the tip end side of the first belt 7 is attached / detached is chamfered at the corner portion so that one surface in the thickness direction of the main body portion 5 (attachment / detachment of the upper belt 11 is performed). The surface on the same side as the surface on which the part is provided) is provided extending obliquely.

  The portion 35 where the second belt 9 and the portion on the tip end side of the second belt 9 are engaged is substantially the same as the case of the first belt 7 as understood from FIG. The belt 7 is provided substantially symmetrically (line symmetric with respect to the central axis in the lateral direction of the main body 5).

  The lower belt 13 has one end in the longitudinal direction that is detachable and rotatable at a portion of the cover member 17 located in the vicinity of one corner of the lower portion 25 of the core member 3. The other end portion in the longitudinal direction is engaged with the cover member 17 located near the other corner of the lower portion 25 of the core member 3 so that it can be attached to and detached from the cover member 17. Is engaged.

  Further, the lower belt 13 (both ends in the longitudinal direction of the lower belt 13) is, for example, one surface in the thickness direction of the main body 5 that becomes the outer side when the Achilles tendon protector 1 is attached to a human leg. Is engaged.

  The buffer members 21A, 21B, and 23 made of, for example, a hard sponge are integrally formed on one surface in the thickness direction of the core member 3 that becomes the inner side when the Achilles tendon protector 1 is attached to a human leg. Is provided. Each buffer member 21 </ b> A, 21 </ b> B is provided near both ends of the lower portion 25 of the core member 3 and below the lower portion 25. The buffer member 23 is provided so as to extend long in the lateral direction above the upper portion 29 of the core member 3.

Each notch 37A, 37B is provided in the lower portion 25 of the core material 3. These notches 37A and 37B are provided to facilitate elastic deformation of the main body portion 5 when the main body portion 5 is deformed into a “U” shape and attached to a human leg. Each elongated through hole 19 is not provided in a central portion in the lateral direction of the core member 3 and on the upper side of the core member 3. This is because the cart is easy to touch.

Further, as shown in FIG. 2, the lower portion of the cover member 17 is a plate-shaped member having wear resistance is covered with a (synthetic fibers) 18, when using long achilles tendon protector 1 The cover member 17 is prevented from being worn.

  Next, a case where the Achilles tendon protector 1 is attached to a leg will be described.

  As shown in FIG. 1 and the like, the flat plate-like main body 5 is elastically deformed into a “U” shape and is brought into contact with the rear part of the leg so as to wrap around almost half of the leg.

Subsequently, by turning the upper belt 11 on the front side of the leg, fixed to the portion 31 of the tip was adjusted to an appropriate length to suit the size of leg.

Subsequently, by turning the belt 7 on the front side of the legs, including the engaged portion of the upper belt 11 which is already fixed to the site 33 (site 31 the leading edge is adjusted to an appropriate length to suit the size of leg ). Similarly, the tip of the belt 9 is fixed to the portion 35.

  Further, the lower belt 13 is rotated so that the intermediate portion passes through the bottom of the foot.

  According to the Achilles tendon protector 1, when the main body 5 (Achilles tendon protector 1) is attached to a human leg, the intermediate portion and the distal end portion of the first belt 7 and the second belt 9 extend obliquely upward. (Extends in an “X” shape), the first belt 7 and the second belt 9 are located away from the instep, and a person wearing the Achilles tendon protector 1 walks Even if the instep moves, the instep does not contact the first belt 7 and the second belt 9, and external force from the instep is applied to the first belt 7 and the second belt 9. There is almost nothing. Therefore, even if a person wearing the Achilles tendon protector 1 walks, the mounting position is difficult to shift.

  Further, since the first belt 7 and the second belt 9 are located away from the instep, the person wearing the Achilles tendon protector 1 can bend the ankle without feeling uncomfortable. The fit of the part 5 is improved and the work is easy.

  Further, according to the Achilles tendon protector 1, since the upper belt 11 is provided, when the Achilles tendon protector 1 (main body part 5) is attached to a human leg, the main body part 5 is first attached to the human leg with the upper belt 11. Can be installed. And if this main body part 5 is firmly installed on a person's leg with the 1st belt 7 and the 2nd belt 9 after this installation, it will become easy to mount | wear the Achilles tendon protector 1 to a leg.

  That is, when the Achilles tendon protector 1 is to be installed on the leg using only the first belt 7 and the second belt 9 extending obliquely without providing the upper belt 11, There is a possibility that an oblique force is applied and the Achilles tendon protector 1 is installed obliquely. However, if the upper belt 11 is provided and the main body 5 is first installed on the leg using the upper belt 11, the main body 5 is installed on the human leg using the first belt 7 or the second belt 9. In this case, it is possible to avoid a risk that the Achilles tendon protector 1 is inclined obliquely, and the Achilles tendon protector 1 can be easily attached to the leg.

  Further, according to the Achilles tendon protector 1, when the main body portion 5 is attached to a human leg, the first belt 7 is overlapped on the portion on the distal end side of the upper belt 11 fixed to the main body portion 5. Since it is comprised so that the site | part by the side of a front-end | tip part can be fixed, installation of the Achilles tendon protector 1 to a leg is easy.

  Furthermore, according to the Achilles tendon protector 1, since the lower belt 13 is provided, even if an upward force is applied to the main body 5 when a person wearing the Achilles tendon protector 1 walks, the Achilles tendon protector 1 is The possibility of shifting upward and shifting can be avoided reliably. In addition, when the Achilles tendon protector 1 is attached to the leg, a part of the lower belt 13 that is located on the bottom of the shoe does not have elasticity and is a member having wear resistance (such as a synthetic fiber). Therefore, even if a person wearing the Achilles tendon protector 1 walks, the part of the lower belt 13 is less likely to be damaged, and the wearer of the Achilles tendon protector 1 does not feel uncomfortable for a long time. Can withstand use.

  In addition, according to the Achilles tendon protector 1, the core material 3 of the main body portion 5 is provided with a large number of through holes 19 for improving air permeability, and these through holes 19 are long in the lateral direction. Since it is formed in an elongated shape having a short width in the vertical direction, it is possible to prevent the leg from being peeled when the Achilles tendon protector 1 is attached to the leg for a long time, and the Achilles tendon protector 1 is When the body portion 5 is deformed into a letter shape and attached to the leg, the main body portion 5 can have an appropriate elasticity, and the Achilles tendon protector 1 can be easily attached to the leg.

  Further, according to the Achilles tendon protector 1, the shock-absorbing members 21A, 21B, and 23 are provided. Therefore, when the Achilles tendon protector 1 is attached to the leg, the shock-absorbing tendons 21A, 21B, and 23 are the hard core 3 and the leg. The discomfort of the person wearing the Achilles tendon protector 1 can be resolved. Further, when the Achilles tendon protector 1 is attached to the leg, a space SP is formed between the core member 3 and the cover member 17 in the vicinity of the buffer members 21A, 21B, and 23 (see FIG. 5). It is possible to prevent the leg from being peeled when the protector 1 is attached to the leg for a long time. In particular, although the through hole 19 is not provided in the central portion of the core material 3 in the lateral direction and on the upper side of the core material 3, the space SP is formed, so that it is possible to prevent leg peeling. it can.

It is a front view showing a schematic structure of Achilles tendon protector 1 concerning an embodiment of the present invention. It is a rear view which shows schematic structure of the Achilles tendon protector 1. FIG. FIG. 3 is a side view of the Achilles tendon protector 1 and is a view taken in the direction of arrow III in FIG. It is a front view which shows schematic structure of the core material 3 of the Achilles tendon protector 1. FIG. It is a figure which shows the VV cross section in FIG. It is a figure which shows the state which mounted | wore the person's leg with the Achilles tendon protector 1. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Achilles tendon protector 3 Core material 5 Main body part 7 1st belt 9 2nd belt 11 Upper belt 13 Lower belt 17 Cover member 19 Through-hole 21A, 21B, 23 Buffer member 25 Lower part 27 Middle part 29 Upper part

Claims (5)

A body that covers the Achilles tendon;
The extending from the front lower portion of one side of the main body portion obliquely upward, the intermediate portion is human foot Re away from instep human leg of the front site around with the site of the front end portion the body of the A first belt fixed to the front upper part of the other side of the part;
Extending obliquely upward from the front lower part of the other side of the main body part, and the middle part is separated from the instep of the person's foot and turns around the front part of the person's leg. A second belt that crosses the portion and has a tip portion side portion fixed to a front upper portion of one side portion of the main body portion;
Achilles tendon protector characterized by having. The Achilles tendon protector according to claim 1,
One end is provided at a site on one side of the main body, the other end is provided at a site on the other side of the main body, and an intermediate portion is the bottom of the person's foot. An Achilles tendon protector comprising a lower belt that rotates. In the Achilles tendon protector according to claim 1 or 2,
The main body portion includes a plate-shaped core material, and a cover member that has air permeability and covers the core material,
In a state where it is removed from the human leg, the main body is in a flat plate shape, and the core material of the main body is provided with a number of through holes for improving air permeability. these through-holes, and wherein the body portion when mounted on the legs of the person, are formed on the short elongated shape in the vertical direction of the width of a long main body portion laterally of said main body portion Achilles tendon protector. The Achilles tendon protector according to claim 3,
A site located between the human foot ankle and the core material when the body portion comprising a portion between the cover member and the core member is attached to the leg of the person, the core the a site where the body portion a site between the the wood cover member is positioned between the top of the person of the legs of the Achilles tendon and the core material when mounted on the legs of the person, An Achilles tendon protector provided with a buffer member. When viewed from the thickness direction in the shape of a plate, the lower part formed in a rectangular shape, the lower base having the same length as one long side of this lower part, and the length shorter than this lower base and the intermediate portion where the said lower base is formed at an equal isosceles trapezoid shape is formed on one of said lower portion integrally connected to the long side of the lower portion comprises a upper base, over the intermediate portion A core comprising a long side having the same length as the bottom and having an upper part formed in a rectangular shape and one long side connected to the upper base and integrally formed with the intermediate part; The core material is formed of a plate-like member having the properties, covers the core material so that all of the core material enters inside, and is substantially the same shape as the core material when viewed from the thickness direction of the core material. A main body configured with a cover member formed slightly larger than the main body;
The cover member extends from the side portion of the cover member located at one short side of the upper portion of the core member in a direction substantially perpendicular to the side portion, and the portion on the tip end portion is the core portion. An upper belt detachably attached to the portion of the cover member located at the upper portion of the material;
The cover member extends from a side portion of the cover member located at one oblique side of the intermediate portion of the core member in a direction substantially orthogonal to the side portion, and a portion on the tip end side is the core portion. A first belt detachably attached to a portion of the cover member located at an upper portion of the material;
The cover member extends from a side portion of the cover member located at the other oblique side of the intermediate portion of the core member in a direction substantially perpendicular to the side portion, and a portion on the tip end side is the core portion. A second belt detachably attached to the portion of the cover member located at the upper portion of the material;
One end of the cover member located near one corner of the lower part of the core member is detachably and pivotably provided. the site of the cover member which is located at the vicinity of the other corner, and a lower belt and the other end is provided to be freely movable and rotating detachable;
The first belt has a middle portion from the back of a person 's foot when the tip portion is fixed to the cover member located at the upper portion of the core member. is configured so as around the front side of the site of the release Re human leg,
When the second belt is fixed to a portion of the cover member that is located at a tip portion of the core member, an intermediate portion is separated from the instep of the person. Achilles tendon protector, characterized in that it is configured to turn around the front part of the leg.

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