KR20190084450A - Assisting device of muscular strength for arm - Google Patents

Abstract

The present invention relates to an assisting apparatus for muscular strength of an arm, which is able to transfer an elastic force to an arm muscle of a wearer to assist the arm muscle of the wearer when the wearer relaxes or contracts the arm muscle to lift or lower a heavy weight. According to the present invention, the assisting apparatus for muscular strength of the arm comprises: an oversleeve unit to be worn on the biceps of the upper arm and a forearm muscle on the lower arm with the elbow joint in the center; and an elasticity providing unit which is mounted on the oversleeve unit to be placed on both side units of the elbow joint and to provide an elastic force. The elasticity providing unit includes: fixed plates (10) placed on both sides of the elbow joint; a pair of elasticity transfer sticks (20) whose one end unit is connected to a pair of first rotary shafts (21, 22) distanced from the fixed plates (10) and whose other end unit is respectively placed on the biceps on the upper arm and the forearm muscle on the lower arm to rotate around the first rotary shafts (21, 22) in accordance with the motion for unfolding or folding the elbow joint; an offsetting plate (30) connected to the part between the pair of elasticity transfer sticks (20) with a second rotary shaft (31) as the medium; and tension springs (40) which are respectively connected to an upper end unit of the offsetting plate (30) and the part between the elasticity transfer sticks (20) to be tensioned in accordance with a motion of unfolding the elbow joint and to generate an elastic force.

Description

[0001] ASSISTING DEVICE OF MUSCULAR STRENGTH FOR ARM [0002]

[0001] The present invention relates to an arm-supporting device for an arm, and more particularly, to an arm-supporting device capable of transmitting an elastic force to a wearer's arm muscles to assist a wearer's arm muscles when the wearer's arm muscles are relaxed or contracted to lift or lower a heavy article The present invention relates to an arm-aiding device.

In order to lift a heavy object by using the body's arm, the biceps of the upper arm and the lower arm of the lower arm contract or relax, and the bones of the arm consist of the upper arm joints of the biceps and the ankle joint, the upper arm joints of the upper arm, The shaft is folded or swung.

Therefore, when a heavy worker is bent or bent or hurried, or an elderly person whose arm strength is weakened due to aging, lifting or lowering a heavy object causes a muscle or joint in the arm, a fracture or arthritis It is not only dangerous, but also has the problem of increasing muscle fatigue.

In order to solve such a problem, as disclosed in Japanese Patent Application Laid-Open No. 10-2012-0086996 (published on Aug. 06, 2012), there are provided a first frame in which a first joint link is formed on one side, A second frame coupled to the link and rotatable about a first axis with a rotation axis, and a second frame having a second joint link formed on the other side thereof, and a second frame rotatably connected to the second joint link, A fourth frame having one side fixed to the third joint link so that the third axis is rotatable about a rotation axis and a fourth joint link formed on the other side and one side connected to the fourth joint link A fifth frame having a third bracket rotatably connected to the third shaft and having a guide bracket on the other side thereof and a fifth frame having one side connected to the guide bracket and movable along the guide bracket, The arm and the arm can be assisted by wearing a superior muscle strength assisting device composed of a hand muscle strength auxiliary module having one side fixed to the sixth joint link and the third axis being able to rotate on the rotation axis.

The patent discloses that muscular training can be performed by assisting the muscles according to the arm motion of the wearer by being worn on an arm of an operator, an elderly person, or a disabled person who need muscle strength.

 However, since the above-mentioned patent is worn from the shoulder to the wrist and the joint link is provided for each joint, it is difficult for the wearer to easily wear it, and since the shoulder to the wrist is worn after the wear, the movement may be restricted, .

Therefore, there is a demand for an arm muscle power assisting apparatus that can be easily worn on the arm of the body while assisting the arm muscles.

The present invention has been proposed in order to solve the above-mentioned problems. The present invention has been proposed to solve the above-mentioned problems. It is worn to wrap the biceps of the upper arm and the lower arm of the wearer around the wearer's arm around the wearer's arms to contract or relax the arm muscles of the wearer, There is an object to provide an arm muscle force assisting mechanism capable of preventing a position of an elasticity providing unit that provides an elastic force from being fluctuated by movement of an arm when an operation is performed.

Another object of the present invention is to provide an arm-muscle power assisting apparatus that can be stretched and worn so as to be easily worn by the wearer himself / herself.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the arm muscle power assisting mechanism according to the present invention comprises: a toe portion to be worn on the biceps of the upper arm and the front arm of the lower arm, centering on the arthritic joint; Wherein the elasticity providing unit comprises a fixed plate disposed on both sides of the articulated joint and a second rotating shaft disposed on the first rotating shaft and spaced apart from the fixed plate, And the other end is attached to the biceps of the upper arm and the forearm of the lower arm so as to be paired with a pair of elastic members which are rotated about the first rotation shafts (21, 22) A canceling plate 30 connected between the transferring bar 20 and the elastic transferring bar 20 through a second rotating shaft 31 and an upper end of the canceling plate 30 and the elastic transferring bar 20, Respectively. And a tension spring 40 which is tensioned according to the operation to generate an elastic force.

A first rotary shaft flow hole 11 is formed in the fixing plate 10 so that the first rotary shaft 21 and the second rotary shaft 22 can move up and down according to the rotation of the elastic transmission rod 20, The tension spring 40 is pulled by the elastic transmission bar 20 rotated when the joint is stretched and the downward force acting to move the offset plate 30 downward is transmitted to the elastic transmission bar 20 The elastic force of the elastic transmission bar 20 can be increased while the upward and downward flow of the elastic support part is reduced by the upward force acting to cause the offset plate 30 to flow upward by the one end of the elastic transmission bar 20 .

A second rotary shaft flow hole 12 is formed in the fixing plate 10 so that the second rotary shaft 31 can be vertically moved. When the rotary joint 31 is extended, (30) by the one end of the elastic transmission bar (20), the downward force acting to tension the tension spring (40) by the tension spring (20) So that the elastic force of the elastic transmission bar 20 is increased while the upward and downward flow of the elastic support part is reduced.

In the present invention, the cancel plate 30 includes a body 32 formed in an inverted triangular shape so as to be adjacent to the elastic transmission bar 20, and a spring 32 extending upward from the center of the body 32, And a center bar 33 connected to the elastic transmission bar 20 through a plurality of through holes 40.

At this time, the toe portion includes a pair of fixing pads for mounting the elastic supporting portion in the longitudinal direction, an elastic pad for providing elasticity while connecting the fixing pads, and a pair of elastic pads And a lower arm fixing belt to be worn so as to be brought into close contact with a front arm of a lower part of the arm, wherein the fixing pad preferably includes a case for preventing the elastic supporting part from being exposed to the outside.

As described above, according to the present invention, since the biceps of the upper arm and the lower arm of the lower arm are worn around the wearer's arm around the wearer's arms, the arm load on the heavy objects is reduced using the elastic force, So that it is possible to assist the arm muscles so that the weight can be easily lifted or lowered.

Further, it is possible to prevent the position of the elasticity providing unit that provides the elastic force from being changed by the movement of the wearer's arm, thereby providing not only the elasticity of the wearer's arm but also a comfortable fit.

In addition, the wearer can easily wear the wearer himself / herself, and the wearer can freely move his / her arm even after wearing the wearer, thereby improving the wearing comfort.

FIG. 1 is a perspective view illustrating an elastic member of an arm muscle force assisting apparatus according to an embodiment of the present invention,
FIG. 2 is a perspective view illustrating an offset plate of the arm muscle aiding mechanism according to an embodiment of the present invention,
FIG. 3 is a perspective view of a resilient retainer provided with a first rotating shaft flow hole of an arm strength assisting mechanism according to another embodiment of the present invention,
FIG. 4 is a perspective view of a resilient retainer having a second rotating shaft flow hole formed therein according to another embodiment of the present invention,
FIG. 5 is an exploded perspective view of an arm supporting member according to another embodiment of the present invention. FIG.
6 is a side view of a toe portion of an arm strength aiding apparatus according to an embodiment of the present invention;

Hereinafter, an arm strength aiding mechanism according to the present invention will be described in detail with reference to the accompanying drawings.

2 is an offset plate of an arm muscle force assisting apparatus according to an embodiment of the present invention, and FIG. 3 is a perspective view of an alternative embodiment of the present invention And the first rotating shaft flow hole of the arm muscle power assisting mechanism is formed by the elastic supporting member.

FIG. 4 is a perspective view of an elastic support provided with a second rotary shaft flow hole of an arm support device according to another embodiment of the present invention. It is a state of study use.

6 is a side view of a toe portion of an arm strength aiding apparatus according to an embodiment of the present invention.

In the drawings, the same reference numerals are given to the same elements even when they are shown in different drawings. In the drawings, the same reference numerals as used in the accompanying drawings are used to designate the same or similar elements. And detailed description of the configuration will be omitted. Also, directional terms such as "top", "bottom", "front", "back", "front", "forward", "rear", etc. are used in connection with the orientation of the disclosed drawing (s). Since the elements of the embodiments of the present invention can be positioned in various orientations, the directional terminology is used for illustrative purposes, not limitation.

The arm muscle force assisting mechanism according to a preferred embodiment of the present invention includes a toe portion for worn on the biceps of the upper arm and the forearm of the lower arm and an elasticity for providing an elastic force And the like.

The arm-force aiding device is fitted to the arm of the wearer to provide an elastic force to the arm muscles of the wearer, thereby assisting the arm muscles of the wearer to assist muscular strength.

As shown in FIG. 6, the toe portion is worn to surround the wearer's arms. The toe portion includes a pair of fixing pads 50 for mounting the elastic supporting portion in the longitudinal direction, An upper arm fixing belt 53 to be worn so as to come in close contact with the upper bicep of the upper arm and a lower arm fixing belt 54 to be worn so as to come into close contact with the lower front arm muscles have.

The fixing pad 50 is preferably positioned on both sides of the articulated joint and is preferably made of a soft material so that the wearer can freely bend or unfold the articulated joint to lift or lower the heavy object by using the arm Do. In addition, the fixing pad 50 includes a case 52 for mounting the elastic supporting part.

The case 52 may be fabricated using a fabric or the like, and the elastic supporting portion may be built in to prevent the elastic supporting portion from being exposed to the outside.

By configuring the case 52, it is possible not only to improve the appearance of the arm muscle force assisting apparatus, but also to prevent dust, foreign matter, and the like from entering the elastic force providing unit, thereby preventing a malfunction.

The elastic pad 51 for connecting between the fixing pads 50 is preferably made of an elastic material so that the elastic pad 51 can be worn on the wearer's arm according to the arm thickness of the wearer. In other words, the elastic pad 51 should be made of an elastic material so that the wearer can freely bend or unfold the arm while wearing the wearer's arms while covering the wearer's arms by connecting between the fixed pads 50.

The toe portion formed of the elastic pad 51 and the fixing pad 50 can be worn while waving the user's arm to enhance the comfort of the wearer.

The upper arm fixing belt 53 and the lower arm fixing belt 54 can be formed of a ball screw fastener or the like so that the size can be adjusted according to the arm thickness of the wearer.

The upper arm fixing belt 53 is attached to the center of the case 52 corresponding to each other so that the elastic pad 51 and the fixing pad 50 are positioned on the biceps of the upper arm for wearing in close contact with the biceps of the upper arm .

The lower arm fixing belt 54 is provided at a center portion of the case 52 corresponding to each other so that the elastic pad 51 and the fixing pad 50 are positioned at the front end of the lower arm Can be mounted.

The upper arm fixing belt 53 and the lower arm fixing belt 54 can be worn so as to be closely contacted with the biceps of the arm upper arm and the lower arm lower arm so that when the user lifts or lowers a heavy object, It can be prevented from peeling off from the arm of the user.

At this time, the upper and lower arm supporting loops 55 and 56 are further included in the toe portion so that the elastic pad 51 and the fixing pad 50 can be closely contacted to the biceps of the upper arm and the front arm of the lower arm . That is, the upper arm support rope 55 and the lower arm support rope 56 may be positioned at both ends of the case 52 so as to be positioned respectively on the biceps of the upper arm and the front arm of the lower arm.

2, the elasticity providing unit includes a fixing plate 10 positioned on both sides of the artificial joint and elastic transmission rods 20 connected to the fixing plate 10 through a first rotation shaft 21, An offset plate 30 positioned between the elastic transmission bars 20 and connected to the center of the fixing plate 10 via a second rotary shaft 31 and a cancel plate 30 disposed between the offset plate 30 and the elastic transmission bar And a tension spring 40 connected between the first and second elastic members 20 and 20, respectively.

The fixing plate 10 is preferably formed in a disc shape having a predetermined size and may be mounted on the toe portion so as to be positioned on both sides of the upholstery joint. That is, the fixing plate 10 may be formed in a circular plate shape having a predetermined size so as to be installed in the case of the fixing pad so as to be positioned on both sides of the arm rest.

At this time, the fixing plate 10 is not limited to the disc shape but may be formed in various shapes such as a rectangular plate shape.

The elastic transmission bar 20 is formed in a bar shape having a predetermined length and is connected to the fixing plate 10 so as to be positioned at the biceps at the upper arm and the front arm at the lower arm. In addition, the elastic transmission bar 20 is connected to the fixing plate 10 through the first rotation shafts 21 and 22 so as to be rotatable according to the arm movement of the wearer.

That is, one end of the elastic transmission bar 20 is connected to the fixing plate 10 via the first rotation shafts 21 and 22, and the other end is connected to the biceps of the upper arm and the front arm of the lower arm, So as to rotate around the second rotation shafts (21, 22) in accordance with the operation of spreading the artificial joint.

The elastic transmission bar 20 is connected to the center of the fixing plate 10 through the first rotation shafts 21 and 22 so as to have an internal angle of 70 to 90 degrees.

When the wearer rotates the arm muscles around the articulated joint so as to relax the arm muscles, the elastic transmission bar 20 is rotated to have the same rotation angle so that the tension spring 40 is tensioned, When the arm muscle is rotated to rotate about the center of the arm muscle, the elastic force generated in the tension spring 40 is transferred to the wearer's arm by causing the tension spring 40 to be rotated.

At this time, when the wearer's arm muscles are rotated to relax, the other end of the elastic transmission bar 20 is rotated in accordance with the arm movement of the wearer, so that one end of the elastic transmission bar 20 is moved upward The other end of the elastic transmission bar 20 is rotated in accordance with the movement of the arm of the wearer so that one end of the elastic transmission bar 20 is moved in the downward direction of the wearer's elbow .

As described above, since the position of the elastic supporting part is repeatedly rotated by the rotation of the elastic transmission bar 20, it is difficult to accurately transmit the elastic force to the arm of the wearer, And it is difficult for the wearer to easily lift or lower the weight.

As described above, the elastic transmission bar 20 is rotated in accordance with the movement of the wearer's arm muscles to relax or contract, so that the elastic support part is moved up and down to change its position. The offset plate 30 is configured to prevent the position of the elasticity providing unit from being varied on both sides of the wearer's artificial joint.

The cancel plate 30 is connected to the fixing plate 10 via the second rotation shaft 31 and is positioned between the elastic transmission bars 20 to reduce the upward and downward flows of the elastic providing unit. In other words, the cancel plate 30 is connected to the center of the fixing plate 10 via the second rotation shaft 31 and is adjacent to the elastic transmission bar 20 connected to the fixing plate 10, And serves to cancel out the force applied by the one end of the armature 20.

2, the cancel plate 30 includes a body 32 adjacent to the elastic transmission bar 20, a center bar 33 extending from a center line of one side of the body 32, As shown in FIG.

The body 32 may be formed in an inverted triangular shape so as to be adjacent to the elastic transmission bar 20. That is, the body is positioned between the elastic transmission rods 20 connected to the center of the fixing plate 10 so as to have an internal angle of 70 to 90 degrees so as to be adjacent to the elastic transmission rods 20, 20 and the inner sides of two adjacent sides are formed to have an inner angle of 70 to 90 degrees.

The center bar 33 may extend from a center portion of the body 32 that is not adjacent to the elastic transmission bar 20. In other words, it is preferable that the center bar 33 is formed so as to extend from the center line of one side of the body 32 and to be positioned between the center portions of the elastic transmission bars 20.

At this time, it is preferable that the center bar 33 is formed to have a length smaller than the length of the elastic transmission bar 20.

The center plate 33 is formed on the body 32 so that the offset plate 30 can be formed in an arrow shape. Here, the cancel plate 30 may be formed not only in the shape of an arrow, but also in various shapes capable of supporting the elastic transmission bar 20.

The tension spring 40 is connected between the cancel plate 30 and the elastic transmission bar 20, and is stretched in accordance with an operation of spreading the articulated joint to generate stress. In other words, the tension spring 40 is connected between the center band 33 of the cancel plate 30 and the center of the elastic transmission bar 20, and the wearer can relax the arm muscles around the articulated joint In this case, when the wearer contracts the arm muscles around the articulated joints after the tension is generated, the elasticity is restored to the original state and the accumulated stress is generated as elastic force.

The tension spring 40 is tensioned by the elastic transmission bar 20 rotated when the wearer relaxes the arm muscles and generates stress. The elastic transmission bar 20, which is rotated when the wearer shrinks the arm muscles, So that the elastic force generated by the arm rests on the arm of the wearer, thereby assisting the arm muscles.

The tension spring 40 causes the tension plate 30 to move downward due to a tensile force generated when the tension spring 40 is pulled by the elastic transmission bar 20. When the tension plate 40 is restored by the elastic transmission bar 20, (30) flows upward again.

In other words, the tension spring 40 connected between the cancel plate 30 and the elastic transmission bar 20 is connected to the cancel plate 30 in the elbow direction of the wearer, So that the upward force is generated so that the cancel plate 30 is moved upward toward the inside of the elbow of the wearer due to the elastic force generated when the obturator arm is bent again. do.

The fixing plate 10 having the tensile spring 40, the elastic transmission bar 20 and the offset plate 30 connected to each other as described above is formed in a manner that the elastic transmission bar 20 and the offset plate 30 are not exposed to the outside. It is possible to provide one fixing plate (not shown) having the same shape and size as the fixing plate 10. That is, the connection portion between the elastic supporter 20 and the offset plate 30, which has two fixing plates and is connected to the fixing plate 10, to which the elastic transmission bar 20 and the offset plate 30 are connected, It is possible to prevent foreign objects from being introduced into the case and to prevent the failure, and it is easy to be embedded in the case of the toe portion, so that the convenience of the manufacturing process can be improved.

3, a first rotary shaft flow hole 11 is formed in the fixed plate 10 so that first and second rotary shafts 21 and 22 connected to the elastic transmission rods 20 can be vertically moved, Can be formed.

In other words, the first rotary shaft flow hole 11 is formed in the fixing plate 10 so that the first rotary shaft 21 and the first rotary shaft 21 are vertically moved while the elastic transmission rod 20 is rotated according to the arm movement of the wearer, It is preferably formed in the direction of the elbow from the inside of the wearer's elbow.

The first rotary shaft flow hole 11 may be rounded according to the shape of the fixing plate 10 when the fixing plate 10 is formed into a disc shape.

The first rotary shaft flow hole 11 is formed so that the elastic transmission rod 20 can be easily rotated according to the arm movement of the wearer and the elastic force generated in the tension spring 40 is transmitted to the wearer's arm It is possible to improve the calendering ability.

4, the second rotary shaft flow hole 12 is formed in the fixed plate 10 so that the second rotary shaft 31 connected to the offset plate 30 can vertically move upward and downward. . That is, the second rotary shaft flow hole 12 may be formed in the fixing plate 10 to allow the second rotary shaft 31 connected to the center of the fixing plate 10 to flow from the wearer's elbow to the inside of the elbow.

The second rotary shaft flow hole 12 allows the offset plate 30 to flow upward to the inside of the wearer's elbow when the wearer's arm muscle is relaxed so that when the arm muscle of the wearer is contracted, To the lower side in the direction of the elbow of the wearer.

Since the second rotation shaft flow hole 12 is formed, the elastic transmission bar 20 is rotated according to the arm movement of the wearer, so that the tension spring 40 is pulled or restored, .

As described above, the arm muscle force assisting mechanism formed with the second rotary shaft flow hole 12 wears the toe portion such that the fixing plate 10 is in line with the rotation axis of the articulated joint. That is, the fixing plate 10 of the elasticity providing unit built in the case is worn so as to be in line with the rotation axis of the artificial joint.

Then, the upper arm fastened to the wearer's arm is worn by the upper arm fastening belt so that the upper arm is closely contacted with the upper bicep of the upper arm, and the lower arm fastening belt is worn so as to be in close contact with the lower arm.

When the wearer wears the wearer's body as described above, when the arm muscles are loosened while rotating around the wearer's joints to lift the weight, the elastic transmission rods 20 are pulled out of the arm joints And is rotated at the same rotation angle.

The second rotation axis 31 rotates the second rotation axis flow hole 12 so that the tension spring 40 is pulled by the rotation of the elastic transmission rod 20 to cause the offset plate 30 to flow downward. And then flows downwardly.

At this time, the downward force acting to pull down the tension spring 40 and move the offset plate 30 downward is transmitted to the upper plate 30 by the one end of the elastic transmission bar 20, So that it is canceled by an upward force acting as far as possible. That is, as shown in FIG. 5, when the arthroscopic joint is being stretched, the other end of the elastic transmission bar 20 is positioned downward in the elbow direction about the first rotation shafts 21 and 22 The tension spring 40 is pulled by the other end of the elastic transmission bar 20 so that the one end of the elastic transmission bar 20 is positioned at the upper side of the elbow in the upward direction, The downward force acting to flow is canceled by the upward force acting to flow upwardly by the one end of the elastic transmission bar 20 so as to prevent the elastic supply unit from flowing up and down .

When the wearer then retracts the arm muscle to rotate and lifts the arm muscle to lift the weight, the tension spring 40 is restored to its original state, and the stored stress becomes elastic, so that the elastic transmission bar 20 So that the wearer can easily lift or lower the heavy object.

By using the above-mentioned arm-supporting mechanism, it is possible to prevent an instantaneous load from being applied to the arm while reducing the load on the arm by using the elastic force of the elastic-providing portion, thereby assisting the arm muscles to easily lift or lower the weight .

In addition, it is possible to prevent the position of the spring that provides the elastic force from being changed by the movement of the wearer's arm, thereby providing not only the elasticity of the wearer's arm but also a comfortable fit.

In addition, the wearer can easily wear the wearer himself or herself, and the wearer can freely move his / her arm even after wearing the wearer, thereby improving the wearing comfort.

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention if they are apparent to those skilled in the art.

10: fixed plate 11: first rotating shaft flow hole
12: second rotating shaft flow hole 20: elastic transmission rod
21, 22: first rotating shaft 30: offset plate
31: second rotating shaft 32: body
33: center rod 40: tension spring
50: fixing pad 51: elastic pad
52: Case 53: upper brace belt
54: Lower arm fixing belt 55: Upper arm support loop
56: Lower arm support loop

Claims (5)

A toe portion for wearing the biceps of the upper arm and a lower extremity of the lower arm of the arm around the center of the arms and an elasticity providing portion for providing an elastic force by being positioned on both sides of the arm,
The elasticity providing unit includes a fixed plate 10 positioned on both sides of the artificial joint and one end connected to the first rotary shaft 21 and 22 spaced apart from the fixed plate 10 and the other end connected to the biceps A pair of elastic transmission rods 20 mounted on the front legs respectively and rotated about the first rotary shafts 21 and 22 in accordance with an operation of extending or bending the artificial joints, And an upper end portion of the cancel plate 30 and the elastic transmission bar 20 so as to be tensioned in accordance with an operation of stretching the articulated joint so that the elastic force And a tension spring (40) for generating an elastic force.
The method according to claim 1,
The first rotary shaft flow hole 11 is formed in the fixing plate 10 so that the first rotary shaft 21 and the second rotary shaft 22 can move up and down according to the rotation of the elastic transmission rod 20,
The tension spring 40 is pulled by the elastic transmission bar 20 which is rotated in the case of extending the artificial joint so that the downward force acting to flow the offset plate 30 downward is transmitted to the elastic transmission bar 20, The elastic force of the elastic transmission bar 20 is increased while the upward and downward flow of the elastic support part is reduced by the upward force acting to cause the offset plate 30 to flow upward by the one end of the elastic transmission bar 20 Arm strength aids.
The method according to claim 1,
A second rotary shaft flow hole (12) is formed in the fixing plate (10) so that the second rotary shaft (31) can move up and down.
The tension spring 40 is pulled by the elastic transmission bar 20 which is rotated in the case of extending the artificial joint so that the downward force acting to flow the offset plate 30 downward is transmitted to the elastic transmission bar 20, The elastic force of the elastic transmission bar 20 is increased while the upward and downward flow of the elastic support part is reduced by the upward force acting to cause the offset plate 30 to flow upward by the one end of the elastic transmission bar 20 Arm strength aids.
The method according to claim 2 or 3,
The cancel plate 30 includes a body 32 formed in an inverted triangular shape so as to be adjacent to the elastic transmission bar 20 and an upper portion extending upward from a central portion of the body 32, And a center belt (33) connected to the elastic transmission bar (20).
The method of claim 4,
The toe portion includes a pair of fixing pads for mounting the elastic supporting portion in the longitudinal direction, an elastic pad for providing elasticity while connecting the fixing pads, and an upper arm fixing portion And a lower arm fastening belt for fastening to the front arm of the lower arm,
Wherein the fixing pad comprises a case for preventing the elastic supporting part from being exposed to the outside.

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