JP7461252B2 - Motion assist device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a movement assisting device that assists users, such as elderly people, in movements such as movement.

As disclosed in Patent Document 1, a motion assist device has been known that has a rail attached to the ceiling, a connecting rod that can move along the rail, and a handrail that is attached to the connecting rod so that it can expand and contract in the vertical direction, and that assists the movement of a user. In this motion assist device, the handrail is made expandable, so that the gripping part can be positioned at an appropriate position according to the height of the user, and it can also assist with movement in the direction along the rail.

JP 2006-26254 A

However, the above-mentioned movement assisting device can only move linearly along the rail, and has a restriction on the direction of movement, resulting in poor convenience for the user. Furthermore, since it takes time and effort to install the rails, it is difficult to install the movement assisting device.

In view of the above-mentioned circumstances, the present invention aims to provide a movement assistance device that allows for high freedom of movement, improves convenience for the user, and is easy to install.

In order to achieve the above-mentioned object, the present invention is configured as follows.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Characteristic points of the present invention will be described below using embodiments of the invention shown in the drawings. Note that the following symbols and descriptions indicate the symbols and names of components in the embodiment of the invention that correspond to the components of the present invention, and do not limit the technical scope of the present invention.

The action-assist device 10 according to the present invention includes an attachment part 35 rotatably attachable to an installation location, a cane member 15 having a grip part 27 that can be grasped, a support part 36 that supports the cane member 15, a connection part 17 that is rotatably provided around the attachment part 35 and connects the attachment part 35 and the support part 36 so as to maintain the cane member 15 in an upright state, and a biasing member (spring 40) that biases the lower end of the cane member 15 in a direction lifting up from the ground surface, and the support part 36 supports the cane member 15 so that the lower end of the cane member 15 can be moved between a position where it is placed on the ground surface and a position where it is lifted up from the ground surface, and presses the lifted cane member 15 towards the ground surface against the biasing force of the biasing member. This allows the lower end of the cane member 15 to contact the ground surface, the connecting portions 17, 50 are formed by a plurality of connecting members connected to each other, and the plurality of connecting members include a first connecting member (first plate 29, rotating plate 51) provided on the mounting portion 35 and a second connecting member (third plate 33, second sliding plate 53) to which the cane member 15 is attached via the support portion 36, the connecting portion 17 is configured to allow the distance between the mounting portion 35 and the support portion 36 to be changed within a range from a first distance, which is a predetermined shortest distance, to a second distance, which is a predetermined longest distance, and the cane member 15 moves within a range between the rotation trajectory of the cane member 15 at the first distance and the rotation trajectory of the cane member 15 at the second distance .
According to this motion-assist device, the connecting part connects the attachment part and the support part so that the cane member is maintained in an upright state, so that the cane member can be used like a cane or a handrail. This allows the user to be assisted in motions such as grasping the upright cane member to support the body. In addition, the cane member is supported by the support part connected to the rotatable attachment part via the connecting part, and can rotate around the attachment part as a rotation center, so that the user can move along the rotation trajectory of the cane member while holding onto it, and thus the movement can be assisted by the cane member. According to the motion-assist device of the present invention, movement with a high degree of freedom is possible, and both the assistance of the motion of supporting the user's body and the assistance of the user's movement can be performed, thereby improving the convenience of the user. In addition, the motion-assist device can be installed simply by attaching the attachment part to the installation target location, so that the installation of the motion-assist device is easy.

Furthermore, according to this movement assisting device, when the user is putting his or her weight on the cane member (the user is pressing the cane member toward the ground surface), the lower end of the cane member is on the ground surface. By being pressed against the cane member, the cane member stably stands upright, so that the cane member can sufficiently assist the movement of the user who uses the cane member like a cane. On the other hand, when the user is not putting weight on the cane member (not pressing the cane member toward the ground), the lower end of the cane member is lifted from the ground surface, so the cane member cannot be moved. During this process, the lower end of the cane member and the ground surface can be prevented from rubbing, and the cane member can be easily moved.
Furthermore, according to this movement assisting device, the distance between the attachment part and the support part is within the range from the first distance, which is the predetermined shortest distance, to the second distance, which is the predetermined longest distance, and the cane member is in the first distance. The cane member can be made freely movable within the range between the rotation trajectory of the cane member when the cane member is at the distance and the rotation trajectory of the cane member when the cane member is at the second distance, and the degree of freedom is increased. In addition to making it possible to move with a high degree of movement, it is possible to further improve convenience for the user.

Further , the plurality of connecting members (the first plate 29, the second plate 31, the third plate 33) may be rotatably connected to each other, or the plurality of connecting members (the rotating plate 51, the connecting member on the cane member 15 side among the adjacent connecting members in the first slide plate 52 and the second slide plate 53) may be configured to be movable horizontally with respect to the connecting member on the attachment part 35 side. good .
Further, the connecting portions 17 and 50 may include a third connecting member (second plate 31, first slide plate 52) that connects the first connecting member and the second connecting member.
Further, the cane member 15 may be rotatably supported by the support portion 36.
Further, the plurality of connecting members may be formed in a plate shape or a frame shape.

The cane member 15 may be provided with a gripping portion 27 that is grippable and formed in a disk shape.
In this way, the shape of the grip part remains constant regardless of the position of the user relative to the grip part of the cane member, whether left, right, front, or back, so the user can grip the grip part with the same load no matter what position the user grips the grip part from, and it is possible to prevent the load on the user from changing depending on the user's position relative to the grip part. Also, because the shape of the grip part remains constant regardless of the position, the user can grip the grip part without hesitation.

According to the movement assisting device according to the present invention, it is possible to improve convenience for the user.

FIG. 1 is a front view showing a movement assisting device according to a first embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the motion assistance device in 1st Embodiment of this invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. It is a top view for explaining the movable range of the cane member of the motion assisting device in the first embodiment of the present invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. FIG. 2 is a plan view for explaining the operation of the action assist device according to the first embodiment of the present invention. FIG. 11 is a perspective view showing a motion assist device according to a second embodiment of the present invention.

Form for implementation

(First embodiment of the present invention)
A first embodiment of the present invention will be described below with reference to FIGS. 1 to 9.
As shown in FIGS. 1 and 2, the movement assisting device 10 is roughly divided into two parts: mounting parts 35, 35 that can be attached to a desired installation location indoors or outdoors, and parts that can be grasped by a user such as an elderly person. A cane member 15, supporting parts 36, 36 that support this cane member 15, and a connecting part 17 that connects the mounting parts 35, 35 and the supports 36, 36 so that the cane member 15 is maintained in an upright state. It is equipped with

In this embodiment, the mounting parts 35, 35 are rotatably attached to the tension rod 19 (installation target location) which can be attached to the ceiling surface T and the ground surface G in the room. The tension rod 19 is divided into two parts in the longitudinal direction (up and down direction in FIG. 1) by the tubular first pipe section 21 and the tubular second pipe section 23. A first pressure contact section 22 that is pressed against the ceiling surface T is provided at one end of the first pipe section 21 (in other words, one end of the tension rod 19, the upper end in FIG. 1), and a second pressure contact section 24 made of rubber or the like that is pressed against the ground surface G is attached to the other end of the second pipe section 23 (in other words, the other end of the tension rod 19, the lower end in FIG. 1).

The cane member 15 has a cylindrical columnar portion 25 with a rubber or other buffer portion 26 at its lower end, and a disk-shaped grip portion 27 at the upper end of the cylindrical portion 25. By making the grip portion 27 disk-shaped, the shape of the grip portion 27 is constant regardless of the position of the user relative to the grip portion 27 of the cane member 15, so that the user can grip the grip portion 27 with the same load no matter where the user grips the grip portion 27, and the load on the user can be prevented from changing depending on the user's position relative to the grip portion 27. In addition, since the shape of the grip portion 27 is constant regardless of the position, the user can grip the grip portion 27 without hesitation. The shape of the grip portion 27 is not limited to a disk shape, and a square shape, a triangular shape, or other shape in a plan view can be appropriately applied depending on the specifications, etc. In addition, it is preferable that the grip portion 27 is formed into an arc shape by chamfering the corners so that it is easy to grip.

The connecting portion 17 that connects the mounting portions 35, 35 and the support portions 36, 36 has a first plate 29, a second plate 31, and a third plate 33 formed in a wooden plate shape. In this embodiment, the first plate 29 is provided so as to be rotatable relative to the mounting portions 35, 35, and the cane member 15 is attached to the third plate 33 via the support portions 36, 36 so as to be able to stand upright. In this embodiment, the first plate 29, the second plate 31, and the third plate 33 have the same shape. The material of each plate is not limited to the above-mentioned wood, and metal, resin, etc. can be used as appropriate. In addition, each connecting portion 17 is not limited to a plate shape, and may be formed in a frame shape.

The attachment parts 35, 35 are tubular and are fixed to the upper and lower parts of the side part (the right part in FIG. 1) of the first plate 29 by fasteners such as screws. The movement assisting device 10 is installed by inserting the second tube portion 23 of the tension rod 19 into the attachment portions 35, 35. In this way, the movement assisting device 10 can be installed simply by inserting the second tube portion 23 into the attachment portions 35, 35, so that the movement assisting device 10 can be installed easily. Further, by attaching the first plate 29 to the second tube portion 23 of the tension rod 19 via the tubular attachment portions 35, 35, the first plate 29 is attached to the second tube portion 23 of the tension rod 19. It is rotatable. In other words, the connecting portion 17 having the first plate 29 is rotatable around the mounting portions 35, 35. A stopper (not shown) is provided on the outer peripheral surface of the second tube part 23 to prevent the mounting parts 35, 35 from falling below a predetermined position.This stopper allows the vertical positioning of the first plate 29 to be is being done.

Further, the support parts 36, 36 are also tubular and are fixed to the upper and lower parts of the side part (the left part in FIG. 1) of the third plate 33 by fasteners such as screws. The support parts 36, 36 support the cane member 15 by inserting the cylindrical part 25 of the cane member 15 through the support parts 36, 36. Thereby, the cane member 15 is rotatable with respect to the supports 36, 36, and is maintained in an upright state.

A stopper 28 is provided above the upper support part 36 in the columnar part 25 of the cane member 15, and a spring 40 (biasing member) is provided between the support part 36 and the stopper 28. is provided, and the cane member 15 is always biased by the spring 40 in a direction in which the buffer portion 26 at the lower end of the cane member 15 rises above the ground surface G. In this state, when the user grips the gripping portion 27 of the cane member 15 and applies his/her own weight, the cane member 15 resists the biasing force of the spring 40 and moves downward to the buffer portion of the cane member 15. 26 will be pressed against the ground plane G. By doing this, when the cane member 15 is used, the buffer part 26 of the cane member 15 is pressed against the ground plane G, so that there is enough space between the buffer part 26 of the cane member 15 and the ground plane G. As a result, the cane member 15 stably stands upright. As a result, it is possible to sufficiently cope with sudden stumbles of the user, and it is possible to sufficiently assist the movements of the user who uses the cane member 15 like a cane or a handrail. On the other hand, when the cane member 15 is not in use, the buffer part 26 of the cane member 15 is lifted from the ground plane G, so when rotating the cane member 15 connected to the connecting part 17, the cane member 15 is It is possible to prevent the buffer portion 26 and the ground surface G from rubbing against each other, and the cane member 15 can be easily rotated.

Further, the first plate 29 and the second plate 31 are rotatably provided with respect to each other by first hinges 39 and 39 provided vertically at intervals, and the second plate 31 and the third plate 33 are They are rotatably provided with respect to each other by second hinges 41, 41 provided vertically at intervals. Further, as shown in FIG. 2, the first hinges 39, 39 and the second hinges 41, 41 are provided on opposite sides. Specifically, the first hinges 39, 39 are provided on one surface (the near side surface in FIG. 1) of the first plate 29 and the second plate 31, and the second hinges 41, 41 are provided on the second In the plate 31 and the third plate 33, it is provided on the other surface opposite to the above-mentioned one surface.

In this way, by providing the first hinges 39, 39 and the second hinges 41, 41 on opposite sides, the first hinges 39, 39 can connect one surface of the first plate 29 to the second plate 31. In the overlapping position where one surface of the second plate 31 and the third plate 33 overlap so as to face each other, the other surface of the second plate 31 and the other surface of the third plate 33 face each other by the second hinges 41, 41. As shown in FIG. 3, the first plate 29, the second plate 31, and the third plate 33 are folded compactly. That will happen. When the motion assisting device 10 is not in use, by folding it compactly in this way, the motion assisting device 10 can be kept out of the way.

In this embodiment, although not shown, a flexible cushioning material such as rubber is provided at the joint S between the first plate 29 and the second plate 31 and the joint S between the second plate 31 and the third plate 33 so that the joint S is cushioned when the above-mentioned overlapping position is reached.

On the other hand, from the above-mentioned state, the first plate 29 and The second plate 31 is rotated so that the other surface of the second plate 31 and the other surface of the third plate 33 facing each other are separated from each other via the second hinges 41, 41. By rotating the third plate 31 and the third plate 33, as shown in FIG. The coupling part 17) can be in a dynamic position.

Here, the distance between the mounting parts 35, 35 into which the tension rod 19 is inserted and the support parts 36, 36 into which the cane member 15 is inserted (in other words, the distance between the central axis of the mounting parts 35, 35 and the support parts 36, 36 The distance from the central axis of the connecting portion 17 to the center axis of the connecting portion 17 is shortest when the connecting portion 17 is in the overlapping position, and is maximum when the connecting portion 17 is in the rotating position. That is, the distance between the mounting parts 35, 35 and the supporting parts 36, 36 is within the range from the first distance when the connecting parts 17 are in the overlapping position to the second distance when the connecting parts 17 are in the rotating position. becomes. Therefore, the rotation trajectory K1 of the cane member 15 when the cane member 15 is at the first distance (see FIG. 3), and the rotation trajectory K2 of the cane member 15 when the cane member 15 is at the second distance (see FIG. 4)) (see the shaded area in FIG. 5), the cane member 15 can be made movable. As a result, the cane member 15 can be moved in any direction, front, back, left, or right, and since there is no restriction on the direction of movement, it is possible to move freely and improve convenience for the user. Furthermore, since there is no restriction on the moving direction of the movement assisting device 10, the installation location of the movement assisting device 10 is also not limited, and it can be installed at a desired position regardless of the floor plan of the room.

Note that Figures 3 to 5 are plan views for explaining the operation of the action-assist device 10 in this embodiment, and show the action-assist device 10 according to this embodiment placed in a toilet in which a toilet bowl B is installed. As shown in Figures 3 to 5, the mounting part 13 is attached to the corner of the toilet opposite the toilet bowl B.

Next, a specific usage example of the motion assisting device 10 having the above-described configuration will be described with reference to FIGS. 6 to 9. This motion assisting device 10 is used by users such as elderly people with weakened muscle strength and disabled people with disabilities in their legs, hands, etc. when performing movements such as moving, standing, and sitting. 9 is a plan view for explaining the operation of the movement assisting device 10, and FIGS. 6 and 7 show the operation of the movement assisting device 10 from entering the toilet to sitting on the toilet seat B. 8 and FIG. 9 show the operation of the movement assisting device 10 from the state of sitting on the toilet seat B until the user leaves the toilet.

First, when the user enters the toilet, as shown in FIG. 6(a), the user grasps the grip part 27 of the cane member 15 located near the entrance E of the toilet with one hand (the left hand in the figure). Support your body by leaning on it. In this state, as shown in FIG. 6(b), the grip part 27 of the cane member 15 is lifted a little and the cane member 15 moves forward a little with the buffer part 26 of the cane member 15 lifted from the ground surface G, and then the cane is moved again. The user moves through the toilet by using the cane member 15 like a cane, such as repeating the action of supporting the body by applying one's weight to the grip part 27 of the member 15 and pressing the cane member 15 against the ground surface G to support the body. After advancing to the front of the toilet bowl B in this way, as shown in FIG. After changing the direction of the body until the end, the person takes off his clothes while supporting his body with the cane member 15. Thereafter, as shown in FIG. 7(b), the user grips the grip part 27 of the cane member 15 with his left hand and sits on the toilet B while supporting his own weight.

Next, the case of leaving the toilet from a state of sitting on the toilet seat B will be described. As shown in Fig. 8(a) and (b), when leaving the toilet from a state of sitting on the toilet seat B, the person holds the gripping portion 27 of the cane member 15 with one hand (the right hand in the figure) to support his/her body, stands up, and then gets dressed. Then, as shown in Fig. 9(a), while holding the gripping portion 27 of the cane member 15 with one hand to support his/her body, he/she turns his/her body so that he/she can leave through the toilet entrance E (to face the toilet entrance E). Then, as shown in Fig. 9(b), he/she slightly lifts the gripping portion 27 of the cane member 15 and moves forward with the buffer portion 26 of the cane member 15 lifted off the ground surface G, and then he/she puts his/her weight on the gripping portion 27 of the cane member 15 again to press the cane member 15 against the ground surface G to support his/her body, and thus moves toward the toilet entrance E by using the cane member 15 like a cane. After reaching the toilet entrance E, the person leaves the toilet while supporting his or her body by grasping the grip portion 27 of the cane member 15 located near the toilet entrance E with one hand and leaning against it.

In this way, the motion-assist device 10 of this embodiment can move in any direction, including forward, backward, left, and right, and there is no restriction on the direction of movement, allowing for high degree of freedom of movement. Also, there is no need to switch the cane member 15 from one hand to the other (e.g., hold it in the left hand and then switch to the right hand), and the motion of the user can be assisted while the cane member 15 is held in one hand, improving the convenience of the user.
For this reason, the motion-assist device 10 of this embodiment is easy to use for people with paralysis of either the right or left hand. For example, a right-sided person with paralysis of the right hand can use the motion-assist device 10 only with the relatively free left hand, and a left-sided person with paralysis of the left hand can use the motion-assist device 10 only with the relatively free right hand, thereby receiving assistance with movement and motion.

As described above, the motion-assist device 10 of this embodiment can assist in actions such as grasping the gripping portion 27 of the upright cane member 15 to support the body. In addition, the connecting portion 17 allows the cane member 15 to rotate around the mounting portions 35, 35, so that while holding onto the cane member 15, the user can move along the rotation trajectory of the cane member 15 while using the cane member 15 like a cane or handrail, allowing for movement with a high degree of freedom and assisting the user's movement. As a result, the motion-assist device 10 of this embodiment can both assist in the action of supporting the user's body and assist the user's movement, improving the user's convenience.

Next, a second embodiment of the present invention will be described. In the description, components similar to those described above will be given the same reference numerals, and the description thereof will be omitted or simplified. Furthermore, in the second embodiment, differences from the first embodiment will be mainly explained.

As shown in FIG. 10, the motion-assist device 10 in the second embodiment is different from the first embodiment in that a telescopic connecting part 50 is used instead of the rotatable connecting part 17 in the first embodiment. The connecting part 50 has a rotating plate 51 (connecting member) rotatably supported on the second tube part 23 of the tension rod 19 via the mounting parts 35, 35, a first slide plate 52 (connecting member) that can be stored in the internal space of the rotating plate 51 and can slide relative to the rotating plate 51 (can be protruded and retracted relative to the rotating plate 51), and a second slide plate 53 (connecting member) that can be stored in the internal space of the first slide plate 52 and can slide relative to the first slide plate 52 (can be protruded and retracted relative to the first slide plate 52). The first slide plate 52 and the second slide plate 53 of the connecting part 50 slide, so that the entire connecting part 50 can be telescopic. The lower surface of the second slide plate 53 is provided with a caster 44 that can be grounded on the ground surface G and assists the movement of the second slide plate 53.
Even with this type of connecting portion 50, the same effects as those of the first embodiment described above can be achieved.

The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the gist thereof.
For example, in the first embodiment, three plate members, the first plate 29, the second plate 31, and the third plate 33, are provided, but the number of the plates may be singular or other than three. The number may be plural, and can be changed as appropriate depending on the specifications of the movement assisting device 10. Similarly, the number of slide plates in the second embodiment can also be changed as appropriate depending on the specifications of the movement assisting device 10.

Further, the surfaces of the first plate 29, the second plate 31, and the third plate 33 (the rotating plate 51, the first slide plate 52, and the second slide plate 53 in the second embodiment) are provided with the user's glasses or memo pad. By providing a storage section such as a pocket or a bag that can store small items and luggage, the user may be able to temporarily store his or her own luggage when using the movement assisting device 10.
By doing so, the user can grasp the grip portion 27 of the cane member 15 without using his or her hands, and can prevent the user from moving while holding the baggage.

Furthermore, the surfaces of the first plate 29, the second plate 31 and the third plate 33 (the rotating plate 51, the first sliding plate 52 and the second sliding plate 53 in the second embodiment) may be provided with a writing area such as a whiteboard on which writing and erasing can be performed using a writing instrument.
In this way, it is possible to clearly indicate precautions for the user and for the user's caregivers, etc., and it is also possible to easily rewrite the precautions, etc.
In addition, the design of the action-assist device 10 may be improved by providing panels or the like with a predetermined design on the surfaces of the first plate 29, the second plate 31, and the third plate 33 (the rotating plate 51, the first sliding plate 52, and the second sliding plate 53).

Further, in each of the above-described embodiments, the action assist device 10 is used indoors, but it may be used outdoors.
In addition, in each of the above-described embodiments, the mounting parts 35, 35 are attached to (inserted through) the tension rod 19 to install the motion-assist device 10. However, instead of the tension rod 19, the mounting parts 35, 35 may be attached to a stake member (not shown) that can be embedded in the ground surface G to install the motion-assist device 10. The mounting parts 35, 35 may be a locking part that can be hooked onto a stake member erected from the ground surface G or a hook previously installed on a wall surface, or a fitting part that can be fitted into a handrail previously installed on a wall surface. In other words, the form (mounting structure) of the mounting parts 35, 35 is not particularly limited as long as they can be attached to and detached from the installation target location (the tension rod 19, the stake member, the handrail, the wall surface, the hooks provided thereon, etc.).

10 Movement auxiliary device 15 Cane member 17 Connecting part 19 Tension rod 21 First tube part 22 First pressure contact part 23 Second pipe part 24 Second pressure contact part 25 Cylindrical part 26 Buffer part 27 Grip part 28 Stopper 29 First plate 31 2nd plate 33 3rd plate 35 Mounting part 36 Support part 39 1st hinge 40 Spring 41 2nd hinge 44 Caster 50 Connection part 51 Rotating plate 52 1st slide plate 53 3rd slide plate

Claims (6)

A mounting part that can be rotatably attached to the installation target location,
a cane member having a graspable grip ;
a support part that supports the cane member;
a connecting part that is rotatable around the mounting part and connects the mounting part and the support part so that the cane member maintains an upright state;
a biasing member that biases the lower end of the cane member in a direction that lifts it off the ground surface ;
The support part supports the cane member so as to be movable between a position where the lower end of the cane member is installed on the ground surface and a position where the lower end of the cane member is raised from the ground surface,
By pressing the floating cane member toward the ground plane against the biasing force of the biasing member, the lower end of the cane member can be brought into contact with the ground plane,
The connecting portion is composed of a plurality of connecting members connected to each other,
The plurality of connection members include a first connection member provided on the attachment part and a second connection member to which the cane member is attached via the support part,
The connecting portion is configured to be able to vary the distance between the mounting portion and the supporting portion within a range from a first distance that is a predetermined shortest distance to a second distance that is a predetermined longest distance,
A movement auxiliary device characterized in that the cane member moves within a range between a rotation trajectory of the cane member in the first distance and a rotation trajectory of the cane member in the second distance . 2. The motion assist device according to claim 1 , wherein the plurality of connecting members are connected to each other so as to be freely rotatable . 2. The movement assist device according to claim 1 , wherein the connecting member on the cane member side of the adjacent connecting members is provided so as to be horizontally movable relative to the connecting member on the attachment portion side. 4. The action assist device according to claim 1, 2 or 3 , wherein the connecting portion includes a third connecting member that connects the first connecting member and the second connecting member . 5. The movement assist device according to claim 1, 2 , 3 or 4 , wherein the cane member is supported rotatably relative to the support portion . 6. The movement assisting device according to claim 1, wherein the plurality of connecting members are formed in a plate shape or a frame shape.

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