JP2002095704A - Seat device for wheelchair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat device for a wheelchair which can wash it easily when it becomes dirty and always keep it clean. SOLUTION: The seat cloth 11 is freely detachably installed to the frame members 10 in the seat device for wheelchair 16 in which the cloth 11 is arranged so as to bridge the frame members 10 prepared at both left and right sides in the breadth direction of the wheelchair.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat device used for a wheelchair such as an assisted electric wheelchair.

[0002]

2. Description of the Related Art In general, a seat device for a wheelchair has a structure in which a seat cloth is arranged and fixed so as to span between frame members arranged on the left and right sides in the vehicle width direction. For details,
The sheet cloth is fixed to the left and right frame members with a tapping screw or the like, so that the sheet cloth cannot normally be removed.

[0003]

In the above-described conventional seat apparatus for a wheelchair, the seat cloth is fixed to the frame member as described above. Therefore, for example, when the sheet cloth becomes dirty, a normal vehicle seat is used. In the same manner as described above, it can only be wiped with a rag or the like impregnated with a detergent, and there is a problem that it takes time and effort to keep the sheet device clean.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a wheelchair seat device which can be easily washed when it becomes dirty and can always be kept clean. It is an issue.

[0005]

According to a first aspect of the present invention, there is provided a seat apparatus for a wheelchair, wherein a seat cloth is provided so as to bridge between frame members disposed on the left and right sides in the vehicle width direction. The cloth is detachably mounted on the frame member.

According to a second aspect of the present invention, in the first aspect, the seat cloth has a seating portion and a backrest portion integrally formed, and the seating portion and the backrest portion are detachably mounted on a frame member. It is characterized by having.

According to a third aspect of the present invention, in the first or second aspect, a reinforcing cloth having a strength greater than that of the sheet cloth is bridged between the left and right frame members, and the seat cloth is seated on the reinforcing cloth. It is characterized in that the parts are arranged detachably.

According to a fourth aspect of the present invention, in any one of the first to third aspects, a bag-shaped holding portion is formed on an upper portion of a back surface of the backrest portion so as to cover an upper end portion of a back pipe of a vehicle body frame. A locking hole formed by reinforcing the inner peripheral edge of the through hole with a ring member was formed on the back surface of the portion, and the locking hole was locked to a locking pin projecting rearward on the back surface of the back pipe. It is characterized by:

According to a fifth aspect of the present invention, in the third aspect, the reinforcing cloth is set to have the same width as the interval between the left and right frame members, and the front portion is stretched over the frame members without slack. And a rear portion which is set to have a width larger than the interval between the frame members and is stretched over the frame members with slack.

[0010]

According to the first aspect of the present invention, since the sheet cloth is detachably attached to the frame member, for example, when the sheet cloth becomes dirty, it can be removed and washed.
The seat device can be easily and reliably kept clean.

According to the second aspect of the present invention, the seat cloth has a seating portion and a backrest portion integrally formed.
At the time of attachment / detachment, the operation is easy, and in production, the number of parts is reduced, so that production management is easy and cost is advantageous.

According to the third aspect of the present invention, the reinforcing cloth having a greater strength than the sheet cloth is fixed, and the seating portion of the sheet cloth is detachably disposed on the reinforcing cloth. Easy to secure. That is, when the seat cloth is made detachable, it may be difficult to secure the necessary supporting strength particularly for the seating portion on which the occupant sits, depending on the detachable structure. On the other hand, according to the present invention, first, a strong reinforcing cloth is fixed to the frame, and the seating portion of the seat cloth is supported by the reinforcing cloth, so that a necessary supporting load can be easily and surely secured.

According to the fourth aspect of the present invention, a bag-like holding portion is formed at the upper rear portion of the backrest portion, and the holding portion is placed over the upper end portion of the back pipe of the vehicle body frame. Easy attachment and detachment to the body frame.

An engaging hole is formed on the back surface of the holding portion, and the engaging hole is engaged with an engaging pin projecting rearward on the back surface of the back pipe, so that the strength of the backrest can be reduced. Can be secured. In other words, when the holding portion is simply covered on the back pipe, when the occupant leans on the back portion of the backrest portion, the holding portion rotates and the backrest portion swells backward, so-called tension strength is insufficient, and the so-called tension strength is insufficient. The holding state becomes unstable. In the present invention, since the above-mentioned locking hole is locked to the locking pin, this problem can be avoided.

According to the invention of claim 5, the reinforcing cloth is
The front portion of the seat cloth seating portion is stretched without slack because it has a front portion that is bridged between the left and right frame members without slack, and a rear portion that is bridged with appropriate slack. The vicinity of the occupant's thigh can be reliably supported, and the rear part of the seat cloth seating portion is depressed in a shape suitable for the occupant's buttocks, so that a hold feeling can be obtained and sitting comfort can be improved.

[0016]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 9 mainly show claim 1.
It is a figure for explaining 1st Embodiment of invention of-3.

In FIG. 1, reference numeral 1 denotes an assisted electric wheelchair provided with a seat device according to the present embodiment. The frame 2 of the wheelchair 1 is connected to the left and right side frames 3 and 3 by a connecting frame 4.
It has a schematic structure that is foldably connected. A gate-shaped bar handle 5 is mounted between the rear portions of the left and right side frames 3 and 3 so as to be detachable, and left and right footrests 6 and 6 are mounted on a front portion of the foot bracket 1.
The two casters are detachably mounted, and left and right casters (front wheels) 15 are rotatably mounted to the left and right via a support block 13 and caster mounting pipes. A rear wheel 49 is mounted on the rear of the left and right side frames 3 and 3. A seat device 16 is provided between the left and right side frames 3 and 3.

The left and right side frames 3 and 3 are
A back pipe 8 extending in the vertical direction is connected to a rear end of a laterally extending side portion 7a of the L-shaped seat pipe 7 which is symmetrical to the right side and extending substantially horizontally, and is connected downward from a front end of the lateral side portion 7a. It has a schematic structure in which the lower end of the vertical side portion 7b that extends and bends and the lower portion of the back pipe 8 extend obliquely upward and obliquely, and are connected by a reinforcing pipe 9 having an oblong shape in a vertical cross section.

The left and right frames 3, 3 are foldably connected to each other by the connection frame 4. Specifically, the support pipes 4a, 4a of the connection frame 4 are rotatably supported on the inner surfaces of the left and right reinforcement pipes 9 by support bolts inserted into the brackets 9a, 9a. The lower ends of two pairs of connecting links 4b, 4b are fixed to the support pipes 4a, 4a. The upper ends of the connecting links 4b, 4b are fixed to the seat anchors 10, 10 on the opposite side, and the connecting links 4b, 4b of the front and rear pairs are rotatably connected by a center pin 4c.

A portion above the center pin 4c of the connecting link 4a and a bracket 7d fixed to the lateral side 7a of the seat pipe 7 are rotatably connected by an intermediate link 4d. Thereby, the wheelchair 1 can be folded in the vehicle width direction, and the intermediate link 4d is provided.
Are adapted to hold the wheelchair in a state of use. The seat anchor 10 is connected to the seat pipe 7.
Is mounted via a bracket 7c on the lateral side 7a of the.

Further, the front connecting links 4b, 4
A support ring 69 is attached to the center pin 4c for b. The support ring is formed by forming a string such as a braid into a ring shape, and supports the leg 20 of the bar handle 5 when the removed bar handle 5 is accommodated in a folded wheelchair. It is.

The bar handle 5 has a gate shape comprising left and right legs 20, 20 each formed of a round pipe, and an operation portion 21 that is curved so as to project slightly upward connecting the upper ends of the legs. The height is adjustable, and it is detachable from the frame 2. The lower ends of the left and right legs 20 are detachable from the upper end of an inner cylinder 23 of a telescopic telescopic mechanism 22 mounted on the left and right side frames 3 and 3. The expansion / contraction mechanism 22 is a linear member configured to extendably insert the inner cylinder 23 into the outer cylinder 24 fixed to the side frame 3 and to be fixed to a predetermined length. 25 is the bar handle 5
And a lock mechanism for locking the lock at a desired height position. 44 is a brake lever, 45 is a brake cable, 46
Is a wire harness for electric components arranged on the display unit 34, and 47 is an armrest.

In the seat device 16, a reinforcing cloth 17 is placed and fixed between the left and right seat anchors 10, 10 so that the seating portion 11a of the seat cloth 11 is positioned on the reinforcing cloth 17. , So that the backrest 11b is located between the back pipes 8, 8 of the left and right side frames 3, 3.
It has a schematic structure detachably provided.

The reinforcing cloth 17 has a rectangular shape in a plan view made of, for example, polyester fibers woven vertically and horizontally in a mesh form. The mesh-like woven structure has the necessary strength and air permeability. Is secured.

A strip-shaped female Velcro (registered trademark) 17a is adhered to both the left and right sides of the surface of the reinforcing cloth 17, and a part 17 of the front end of the Velcro 17a.
a 'is attached so as to extend to the back surface.

At the left and right edges of the reinforcing cloth 17, holding portions 17c, 17c are formed in a bag shape.
A strip-shaped reinforcing plate 17b is inserted into 7c and 17c. The reinforcing cloth 17 is attached to the holding portion 17.
c and 17c are placed on the sheet anchors 10 and 10, and the tapping screw 17d is screwed so as to penetrate the reinforcing plate 17b.
It is fixed so as to bridge over 0 and 10.

The seat cloth 11 is formed by integrally forming a seat portion 11a and a backrest portion 11b. For example, a cushion material made of non-woven fabric is interposed between a polyester skin and a back skin, and the periphery thereof is joined. It has a structure in which sewing 11n for preventing lateral displacement of the cushion material is performed.

A holding portion 11j is formed in a bag shape on the upper left and right edges of the back surface of the backrest portion 11b, and the upper end of the upper portion 8a of the back pipe 8 is inserted into the holding portion 11j. A stopper 11i and a belt-shaped upper mounting belt 11c are connected and fixed to the outside of the left and right holding portions 11j so as to form a pair. Male and female are mounted on the front side (front side) of the upper mounting belt 11c. The magic tapes 11f and 11e are attached so as to be adjacent to each other. In addition, 11p is a case provided on the back surface of the backrest portion 11b to store a spare battery, accessories, and the like.

The lower left portion of the back of the backrest 11b,
On the right edge are belt-like left and right lower mounting belts 11d ', 1
1d is connected and fixed, and the left lower mounting belt 11
On the front side (front side) of d ', there is a female magic tape 11h,
Male magic tape 11g is stuck on the back side (rear side) of the right lower mounting belt 11d.

Further, a folded portion 11m is formed to extend from the front edge of the seating portion 11a. A pair of left and right band-shaped male magic tapes 11k are adhered to the back surfaces of the seat portion 11a and the folded portion 11m.

In the seat device 16 of the present embodiment, the seat cloth 11 is detachable from the vehicle body. When attaching the seat cloth 11 to the vehicle body, first, the holding portion 11j of the backrest portion 11b of the sheet cloth 11 is hung so as to cover the upper end of the back pipe 8. Subsequently, the upper stopper 11i and the belt 11c are turned to the back surface of the back pipe 8, and the belt 11c is passed through the stopper 11i to be inverted, and the upper mounting belt 11c is strongly pulled by male and female magic tapes 11f and 11e. Join. As a result, the upper portion of the backrest 11b is in a state of being taut.

The left and right lower belts 11d ', 11
d to the back surface of the back pipe 8 so that the left lower belt 11
d 'female magic tape 11h on the right lower belt 11
The male magic tape 11g of d is pressed and joined. As a result, the lower part of the backrest 11b is fixed to the back pipe 8, and does not move forward.

Finally, the female Velcro tape 11k of the seat 11a is pressed against and bonded to the male Velcro 17a of the reinforcing cloth 17, and the folded back portion 11m of the seat 11a is bent down to the lower side of the magic tape 11k. The front end is joined to the magic tape 17a 'on the back surface of the reinforcement 17.

It is needless to say that the sheet cloth 11 may be mounted in a different order from the above-described mounting procedure. When the seat cloth 11 is removed from the vehicle body, the procedure is reversed.

As described above, in the present embodiment, the sheet cloth 11
Is detachably attached to the vehicle body frame, so that, for example, when the sheet cloth 11 becomes dirty, it can be easily removed and washed, and the seat device can always be kept clean.

The seat cloth 11 has a seating portion 11a and a backrest portion 11b formed integrally with each other.
Since the backrest 11a and the backrest 11b can be simultaneously attached and detached, the attaching and detaching operation of the seat cloth 11 is easy, and the number of parts can be reduced in manufacturing, the parts management can be simplified, and the cost can be reduced.

Further, a bag-shaped holding portion 11j is formed at the upper end of the back surface of the back portion 11b, and the bag-shaped holding portion 11j is placed over the upper end portion of the back pipe 8. 11b can be prevented from falling down.

Further, regarding the backrest 11b,
The upper part of the upper mounting belt 1c is wound and held around the back pipe 8 by an upper mounting belt 11c and a fastener 11i.
Since 1c is strongly pulled and fixed, the backrest portion 11b can be held in a taut state, and the back of the occupant can be prevented from falling backward. As a result, the occupant can be prevented from getting tired and the riding comfort can be improved.

Since the lower portion of the backrest 11b is wound around the back pipe 8 and fixed by the lower belts 11d 'and 11d, the seating portion 11a can be adjusted depending on the weight of the occupant.
The problem that the vehicle moves forward can be reliably prevented, and from this point also, the occupant can be prevented from getting tired and the riding comfort can be improved.

A folded portion 11m is provided on the seating portion 11a.
Is formed so that the folded portion 11m is bent downward, so that the rider's leg does not directly hit the frame member, so that the riding comfort can be improved. In addition, since the frame member is covered with the folded portion 11m, protection of the frame member can be achieved, and appearance deterioration due to exposure of the frame member can be avoided.

As for the seat portion 11a of the seat cloth 11, a reinforcing cloth 17 having a predetermined strength is attached to the seat anchor 1a.
Since the seating portion 11a is mounted and fixed on the reinforcing cloth 17 so as to be bridged between 0 and 10, the sufficient supporting load can be secured while the seating portion 11a is detachable.

Further, since the reinforcing cloth 17 has a mesh-like woven structure and a structure having air permeability, the problem of stuffiness in summer can be avoided by forming a double structure with the sheet cloth 11.

FIGS. 10 to 14 are views mainly for explaining the second embodiment according to the fourth aspect of the present invention. In the figure,
1 to 9 indicate the same or corresponding parts.

The seat device 80 of the present embodiment has
The base sheet 82 having the function of the above-described reinforcing cloth is bridged between the right seat anchors 10 and 10, and is fixed. The seat cloth 81 is seated on the base sheet 82 by the seating portion 81a.
It is located on the upper side, and the backrest 81b is disposed between the back pipes 8, 8 of the left and right side frames 3, 3 and is detachably provided. The basic structure is the same as that of the first embodiment. This is the same as the seat device 16.

The seat cloth 81 is formed by integrally forming a seat portion 81a and a backrest portion 81b. For example, a cushion material made of non-woven fabric is interposed between a polyester skin and a back skin, and the periphery thereof is joined. It has a structure in which sewing 81c for preventing lateral displacement of the cushion material is applied. A fold 81e is formed at the center of the sheet cloth 81 except for a portion surrounded by the sewing 81c. Specifically, the fold 81e reduces the thickness of the sheet cloth 81 by sewing along the fold, thereby facilitating bending. Thereby, when the wheelchair 1 is folded, the sheet cloth 81 is folded such that the fold 81e is located at a low place and the left and right edges are located at a high place.

It should be noted that the fold 81e is connected to the sewing 81c.
The reason why it is not provided in the portion surrounded by is to avoid the possibility that the seating comfort may be reduced if there is a fold in the portion where the occupant actually sits and the portion where the occupant touches the back.

Further, magic tapes 88a and 88b are fixed to the front edge and the left and right edges of the back surface of the sheet cloth 81, and the magic tapes 88b at the left and right edges are attached to the upper surface of the base sheet 82. Adhere to the Velcro sticked to. Since the magic tape 88b is provided on the left and right edges (outermost sides) as described above, the seating portion 81a can be prevented from being turned up. Further, the front edge is bent to the lower side of the base sheet 82, and the magic tape 88 a at the front edge is bonded to the magic tape fixed to the lower surface of the base sheet 82. The notches 81d are formed at the left and right corners of the front edge, and are formed to avoid interference with the sheet anchor 10 when the front edge of the sheet cloth 81 is bent downward. Have been.

An attachment belt 83 is formed below the back of the backrest portion 81b, and a storage box 84 is provided above the attachment belt 83. A holding cloth 85 is adhered to the upper portion of the back surface of the backrest portion 81b, and an upper portion 8a of the back pipe 8 is attached to the left and right edges of the holding cloth 85.
Holding portions 85a, 85a are formed so as to cover the first and second portions.
The holding portions 85a, 85a form a bag with the backrest portion 81b. The upper end of the holding portion 85a is closed,
The lower end is open, and the upper portion 8a of the back pipe 8 is inserted through the opening.

Eyelets (lock holes) 86, 86 are formed on the back surface of the left and right holding portions 85a, and the eyelets 86 are locked by locking pins 87. Each of the eyelets 86 has an opening 86a formed in the holding portion 85a, and a ring 86b made of metal such as aluminum is fitted to an inner peripheral edge of the opening.

The locking pin 87 is connected to the back pipe 8
It is planted so as to project rearward on the back of
It is screwed into a nut member 87a arranged inside the back pipe 8. Reference numeral 89 denotes a handle held when the wheelchair 1 is folded.

In the seat device 80 of the second embodiment, the holding portion 85 formed on the back portion 81b of the sheet cloth 81 is provided.
Since a is put on the upper portion 8a of the back pipe 8 and the eyelets 86 are locked on the locking pins 87, the seat cloth 81 can be easily attached and detached and the strength of the backrest 81 can be secured.

That is, the holding portion 85a is simply connected to the back pipe 8
When the occupant leans on his back against the backrest, the load a (arrow in FIG. 13) causes the holding portion 85
As a rotates, the backrest portion 81b swells rearward, and the so-called tension strength is insufficient, and the occupant's back holding state becomes unstable. In the present embodiment, since the eyelets 86 are locked to the locking pins 87, the rotation can be prevented, and the problem of insufficient tensile strength can be avoided.

FIGS. 15 to 19 are views mainly for explaining the seat apparatus of the third embodiment according to the fifth aspect of the present invention, in which the same reference numerals as those in FIGS. 1 to 14 denote the same or corresponding parts. Show.

The seat device 90 of the present embodiment has
A base sheet 92 having the function of a reinforcing cloth is bridged and fixed between the right seat anchors 10, 10, and the seat cloth 91 is seated on the base sheet 92, and the back part 91b is positioned on the left, It is disposed between the back pipes 8 and 8 of the right side frames 3 and 3 and is detachably provided. The basic structure is the same as that of the seat devices 16 and 80 of the first and second embodiments. is there.

The seat cloth 91 is formed by integrally forming a seat portion 91a and a backrest portion 91b. For example, a cushion material made of non-woven fabric is interposed between a polyester skin and a back skin, and the periphery thereof is joined. A sewing 81c for preventing lateral displacement of the cushion material is applied, and a fold (seam) 81e is formed except for a portion surrounded by the sewing 81c. The basic structure is the same as that of the sheet cloth 81 of the second embodiment. is there.

In the seat cloth 91 of this embodiment, the seat 9
A concave portion 91c is formed so as to cut into a boundary portion between the back portion 1a and the back portion 91b, and a fold (seam) 91d is formed so as to connect the concave portions 91c and 91c. Thereby, the seating portion 91a and the backrest portion 91b can be easily aligned with the vehicle body frame.

A fold (seam) 91e is also formed on the front edge of the sheet cloth 91 so as to cross in the vehicle width direction. As a result, the thickness of the portion of the sheet cloth 91 along the fold 91e is reduced, and the sheet cloth 91 is easily bent when attached to the vehicle body frame. It can be securely bonded across.

Base sheet 9 functioning as reinforcing cloth
Reference numeral 2 denotes a substantially rectangular shape having a front portion 92a and a rear portion 92b. The front portion 92a has the same width over the entire length in the front-rear direction, while the rear portion 92b has a rear portion. The width is gradually increased toward the side.

At the left and right edges of the base sheet 92, holding portions 92c, 92c are formed in a bag shape. Further, reinforcing sheets 92d,
In the front portion 92a, a magic tape 92e is disposed so as to cover the reinforcing sheet 92d on the upper surface, and these are sewn (seams) 92 penetrating vertically.
f.

A reinforcing plate 92h made of a straight band plate is inserted into the holding portion 92c. The holding portions 92c, 92c, in which the reinforcing plates 92h are accommodated, are placed on the sheet anchors 10, 10, which are the left and right frame members. These are the holding portions 92c and the reinforcing plates 92h.
Is fixed to the sheet anchor 10 by a tapping screw 92g penetrating at the center in the width direction of the holding portion 92c.

Here, the front portion 9 of the base sheet 92
The interval L between the tapping screws 92g, 92g of 2a is set to the same dimension as the interval between the sheet anchors 10, 10, so that the front portion 92a is bridged over the sheet anchors 10, 10 without slack.

On the other hand, the rear portion 9 of the base sheet 92
The interval between the tapping screws 92g ', 92g' of 2b is set so as to gradually increase toward the rear side from the interval between the sheet anchors 10, 10, so that the rear portion 92b gradually loosens greatly. 1
It is hung over 0,10. FIG. 17 shows a state in which the reinforcing plate 92h is removed and the whole is spread without loosening. Further, the rear portion does not necessarily have to be gradually widened toward the rear side. In short, the rear portion may be formed wider than the front portion so as to be stretched over the seat anchors 10, 10 with an appropriate slack.

As described above, in the present embodiment, the base sheet 92 is constituted by the front portion 92a which is bridged between the left and right seat anchors 10, 10 without any slack, and the rear portion 92b which is bridged with an appropriate slack. As a result, the front portion of the seat portion 91a of the seat cloth 91 is in a stretched state without slack, so that the vicinity of the thigh of the occupant can be reliably supported. In addition, the rear portion of the seating portion 91a is depressed in a shape that matches the occupant's buttocks, so that a hold feeling is obtained,
The sitting comfort is improved.

In each of the above embodiments, the reinforcing cloth or the base sheet is provided only on the lower surface of the seat portion. However, it is possible to provide the reinforcing cloth or the like also on the back surface of the backrest portion. Can be easily seated even with the seat cloth 11 removed, for example.

In the above embodiment, the case of the assist type electric wheelchair has been described. However, the present invention is of course applicable to other wheelchairs.

[Brief description of the drawings]

FIG. 1 is a left side view of an assist-type electric wheelchair according to a first embodiment of the present invention.

FIG. 2 is a rear view of the wheelchair.

FIG. 3 is a bottom view of the wheelchair.

FIG. 4 is a left side view of the wheelchair seat device.

FIG. 5 is a rear view of the seat device.

FIG. 6 is a developed plan view of a sheet cloth of the sheet device.

FIG. 7 is a developed rear view of the sheet cloth.

FIG. 8 is a plan view of a reinforcing cloth of the seat device.

FIG. 9 is a rear view of the reinforcing cloth.

FIG. 10 is a left side view of the seat device according to the second embodiment.

FIG. 11 is a rear view of the seat device according to the second embodiment.

FIG. 12 is a front view of a sheet cloth of the sheet device of the second embodiment.

FIG. 13 is a sectional view taken along line XIII-XIII in FIG. 11;

FIG. 14 is a sectional view taken along line XIV-XIV of FIG. 11;

FIG. 15 is a rear view of the seat device according to the third embodiment.

FIG. 16 is a front view of a sheet cloth of the sheet device according to the third embodiment.

FIG. 17 is a plan view of a base sheet (reinforcement cloth) of the seat apparatus of the third embodiment.

18 is a sectional view taken along line XIIIV-XIIIV in FIG. 17;

19 is a sectional view taken along line XIX-XIX in FIG. 17;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Assistive electric wheelchair 8 Back pipe 10 Seat anchor (left and right frame members) 11 Seat cloth 11a Seating part 11b, 81b Backrest part 16, 80 Seat device 17, 82 Reinforcement cloth 85a Holding part 86 Eyelet (locking hole) 87 Locking pin 92 Reinforcing cloth 92a Front part 92b Rear part

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[Procedure amendment]

[Submission date] September 7, 2000 (2009.7)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] FIG.

[Correction method] Change

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[Document name to be amended] Drawing

[Correction target item name] FIG.

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[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] FIG.

[Correction method] Change

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FIG.

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] FIG.

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[Procedure amendment 5]

[Document name to be amended] Drawing

[Correction target item name] FIG.

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Claims (5)

[Claims] 1. A seat device for a wheelchair in which a sheet cloth is arranged so as to bridge between frame members disposed on the left and right sides in a vehicle width direction, wherein the sheet cloth is detachably attached to the frame member. A seat device for a wheelchair. 2. The seat cloth according to claim 1, wherein the seat cloth is formed integrally with a seat portion and a backrest portion, and the seat portion and the backrest portion are detachably attached to a frame member. And wheelchair seat device. 3. The seat cloth according to claim 1, wherein a reinforcing cloth having a strength greater than that of the sheet cloth is bridged between the left and right frame members, and a seat portion of the sheet cloth is detachably mounted on the reinforcing cloth. A seat device for a wheelchair, which is provided. 4. A bag-like holding portion formed on an upper portion of a back surface of the backrest portion to cover an upper end portion of a back pipe of a vehicle body frame according to any one of claims 1 to 3, and penetrating through a back surface of the holding portion. A locking hole is formed by reinforcing the inner peripheral edge of the hole with a ring member, and the locking hole is locked to a locking pin protruding rearward on the back surface of the back pipe. Wheelchair seat device. 5. The space between the left and right frame members according to claim 3, wherein the reinforcing cloth has the same width dimension as the space between the left and right frame members and is stretched over the frame members without slack. A seat device for a wheelchair, comprising: a rear portion which is set to have a wide width and is loosely stretched between the frame members.