JP3967751B2 - Universal slide chair - Google Patents

Description

  The present invention relates to a slide seat chair that is mounted on a wheelchair and facilitates the transition of a passenger to a bed.

  Transitioning to bed is not easy for wheelchair passengers. In many cases, assistance is required, and the attendant's assistance operation often requires great force, and it is highly desirable to reduce the burden on passengers and attendants involved in the transition to this bed. .

  For the purpose of reducing this burden, set up an auxiliary stepladder on the left and right sides of the bed, provide a support column in the direction of the lateral plate of the stepladder, connect a mechanism that lifts the passenger, moves and descends on this support column, An assisting stepladder in which a hanger and a seat are connected is disclosed. (For example, refer to Patent Document 1.)

  Although this method can be applied to home beds, there is a problem that the stepladder occupying space is excessive to apply to general public facilities such as hospitals, and a stepladder is required for each bed.

  In addition, after tilting the backrest and placing the passenger in a supine state, the seating surface is rotated 90 degrees, the wheelchair is laid on the bed, and the horizontal support base including the seating surface is moved to the center of the bed. A method of inclining and sliding a passenger down is disclosed. (For example, see Patent Document 2.)

  In this method, the mechanism for performing each stage of operation is complicated and the cost of the wheelchair becomes excessive, and it is quite difficult to fit this complicated mechanism in the limited space of the wheelchair, and the size of the wheelchair is increased. And weight is inevitable. In addition, it is necessary to secure a wide space on the bedside for the passenger in the supine state to rotate.

Furthermore, the conventional method is to make the wheelchair itself to a special specification and cannot be used by being mounted on an existing wheelchair.
JP 2003-230606 A JP 2003-14496 A

  An object of the present invention is to provide a slide chair that is attached to a wheelchair so that a passenger of the wheelchair can easily shift to a bed.

  An object of the present invention is to provide a slide chair that is attached to a wheelchair so that a passenger of the wheelchair can easily move to the bed under a limited space on the bedside.

The gist of the present invention is to be attached to a wheelchair having a front wheel and a rear wheel, a main body frame portion supporting the front wheel and the rear wheel, and an armrest, and is detachably attached to the wheelchair. A rail, and a seat surface portion movable along the rail, wherein the rail is selected from a state of being stretched over a bed and the wheelchair, a contracted state, a folded state, and a divided state The seating surface portion moves along the rail in the one state, and the wheelchair includes an auxiliary arm that is attached in front of the armrest and can be expanded and contracted in the horizontal direction. A bent portion that bends substantially perpendicularly to a direction selected from upward and downward from the auxiliary arm can be formed reversibly on the auxiliary arm. Slide chair seat having a holding means for holding the Re bend the bent state.
It is to be.

  The rail may be locked to the wheelchair through a base base to which the rail is fixed.

  The base board may be foldable when not in use.

  The rail may be engaged with the seat surface portion through a guide member that moves while being guided by the rail.

  The seat surface portion may include a board that is guided by the rail and travels, and a seat board that is supported by the board so as to be rotatable about an axis orthogonal to the seat surface.

  The slide chair may comprise four parallel rails that are used selectively.

  The rail may be formed by assembling a plurality of element rails.

Further, the gist of the present invention is a bed on which the slide seat chair is mounted on a wheelchair and the rail is bridged between the wheelchair and includes a mat and a bed base on which the mat is placed. The bed is provided with a bed transition function having a notch portion for allowing the front end portion of the rail to enter the side portion of the mat, and a replenishment member removably supplemented to the notch portion .

  According to the present invention, there is provided a slide seat chair that is attached to a wheelchair so that a passenger of the wheelchair can easily shift to a bed.

  According to the present invention, there is provided a slide chair that is mounted on a wheelchair and that allows a passenger of the wheelchair to easily move to a bed under a limited space on the bedside.

  According to the present invention, a passenger can easily move to a bed without using a wheelchair having a complicated and large mechanism.

  The slide seat chair of the present invention can be transformed into a compact form after being removed from the wheelchair, and does not take up space for storage when not in use, and is easy to carry when not in use.

  By using the bed with a bed transfer function of the present invention in combination with the slide seat chair of the present invention, the passenger can move to the bed more easily.

Embodiments of the present invention will be described with reference to the drawings. In addition, in this specification, the same code | symbol written over each figure shows the same or similar member and thing. As shown in FIG. 1, in an example of the aspect of the present invention , a slide seat 400 according to the present invention is mounted on a wheelchair 402 and used as a wheelchair 2 with a bed transfer function. The wheelchair 402 includes a front wheel 4 and a rear wheel 6, a main body frame portion 20, and a footrest 55 that is attached to a lower front portion of the main body frame portion 20.

The wheelchair 2 with a bed transfer function using the wheelchair 402 includes a seat portion 16 that is disposed between the side frame portions 10 and supported by the main body frame portion 20 via a rail 326. The seat 16, the rail 326, and the base base 350 to which the rail 326 is fixed constitute the slide seat 400 in the present invention.

  The seat portion 16 includes a seating surface board 18 that is rotatable in the surface direction of the seating surface, a substrate 22 that rotatably supports the seating surface plate 18, and a supported portion 324 that is provided on the substrate 22. The rail 326 supports the supported portion 324 so that it can run. The supported portion 324 includes a wheel that rolls on the rail 326 and a slider that slides on the rail 326. As shown in FIG. 2, the rail 326 has a plurality of cylindrical element rails 327 that are telescopically connected in a telescopic shape and can be expanded and contracted. Other element rails are accommodated in the rail 328 in the shape of a canister. Alternatively, other element rails may be disassembled and stored in a storage place (not shown) provided in the wheelchair. The foundation rail 328 is fixed to the base foundation 350. Therefore, the rail 326 is fixed to the base board 350. The base board 350 is stretched over and coupled to the main body frame unit 20.

Furthermore, the base rail 328 may be directly locked to the main body frame 20. In this case, the slide seat 400 in the present invention is constituted by the rail 26 and the seat portion 16. The base base 350 or the base rail 328 may be fixed or engaged with a member of the wheelchair 402 directly or via a predetermined intermediate member without being limited to the main body frame 20.

  In the present invention, a rail in which a plurality of element rails are connected to each other via a joint mechanism so as to be bent may be used. In this case, the rail is folded when not in use.

  FIG. 3 shows a state in which the base rail 328 is fixed to the base base 350. The base base 350 is provided with an engaging portion 353 including an engaging member 352, and the base base 350 and thus the slide seat chair 400 are detachably attached to the main body frame portion 20 through the engaging portion 353. In this case, it is possible to fold the base base in half so that the longitudinal direction of the rail to which the base base 350 is fixed in the center is the crease direction. This is preferable because it can be stored in a place and the storage space can be saved. A pair of rails 326 are fixed to the base substrate 350.

  Further, it is preferable that the base base can be expanded and contracted in a direction perpendicular to the longitudinal direction of the fixed rail, so that the base base can be fitted to the wheelchair according to the width of the wheelchair of various sizes.

  In another aspect of the present invention, as shown in FIG. 4, the base rail 328 is directly and detachably locked to the frame member 344 constituting the main body frame portion 20 via the locking portion 345 including the locking member 344. Is done.

  FIG. 5 shows a state in which the rail 326 is extended straight and the leading end 346 is placed on the bed 50. The person 1 is placed on the seat portion 16 in a state in which the person 1 is seated on the wheelchair 402, and the seat portion 16 is placed on the rail 326 through the supported portion 324 toward the front of the wheelchair 402 while the person 1 is placed. Travel to reach the tip 346. Next, as shown in FIG. 6, the seat board 18 is rotated 90 degrees, and the person 1 faces the longitudinal direction of the bed. In this state, the buttocks slide with respect to the seat portion 16 in the width direction of the bed. It is possible to move from the seat portion 16 to the bed 50 only by movement. Thus, by using the wheelchair 2 with the bed transfer function, it is possible to easily move from the wheelchair 402 to the state of facing the longitudinal direction of the bed.

  In the present invention, since the passenger goes straight from the seated state in the wheelchair and reaches the bed, this transition operation is very easy. In addition, the passenger can easily move to the bed under a limited space on the bedside. Furthermore, once it has been moved onto the bed, the seat board 18 can be rotated 90 degrees to change the direction of the occupant to the longitudinal direction of the bed, so that no dedicated bedside space is required for rotation. This rotation operation is very easy for the passenger.

  Further, in the present invention, a state in which the rail 326 is spanned between the bed and the main body frame portion 20 as described above, and a plurality of element rails 327 are moved to each other to form an assembly including the plurality of element rails 327. In other words, the length of the assembly is shorter than the rail 326 in this one state and is attached to the main body frame portion 20.

  In another aspect of the present invention, an element rail composed of a cylindrical body bent in a substantially arc shape or a substantially square shape in the axial direction may be used as a part of the element rail. By using the bent element rail as a part of the element rail, the rail bent in a substantially arc shape in the longitudinal direction is obtained. Even if the front and rear direction of the bed and the front and rear direction of the wheelchair are obliquely or parallel to each other using the rail that is bent in a substantially arc shape in the longitudinal direction, the seat portion 16 is moved on the rail to move the front of the wheelchair. Since traveling is started toward the bed and reaching the bed is performed in a state where the bed goes straight in a direction perpendicular to the longitudinal direction of the bed, the movement can be easily performed. Moreover, an excessive space for installing a wheelchair on the bedside is not required.

  FIG. 7 shows an example of the cross-sectional shape of the element rail rail 327. The sectional shape of the element rail 327 shown in FIG. 7A is rectangular, but it may be circular or elliptical. It may be a polygon. Alternatively, a shape obtained by combining these shapes may be used. The cross-sectional shape of the element rail 327 is not particularly limited as long as a plurality of element rails can be fitted and stacked, and may be a U-shape, a C-shape, or an Ω-shape.

  As shown in FIG. 7B, a longitudinal bending crease that forms the reinforcing rib 329 may be formed on the peripheral wall of the element rail 327. As shown in FIGS. 7C and 7D, slits 331 may be formed in the longitudinal direction on the peripheral wall of the element rail 327.

  FIG. 8 shows an example of the configuration of the seat unit 16. The seat portion 16 includes a seat board 18 that is pivotally attached to the substrate 22 via a thrust bearing 27, and a wheel 24 that is pivotally attached to the substrate 22 via a shaft 25. The seat board 18 is composed of a base plate 33 and a cushion portion 45 which is superimposed and fixed on the upper surface of the base plate 33.

  FIG. 9 is an enlarged schematic view showing a state of axial attachment between the substrate 22 and the wheel 24. A cutout opening 52 is formed in the substrate 22, and the substrate 22 and the wheel 24 are axially attached in a state where the wheel 24 is arranged inside the cutout opening 52. The wheel 24 is provided with flanges 54 at both ends, and as shown in FIG. 10, travel is restricted so that the wheel 24 does not come off the rail 326.

  x7 shows another example of the configuration of the seat portion. In FIG. 11, the seat portion 16 a includes a base plate 22 a having a supported portion 324 on the lower surface and a circular recess 101 formed on the upper surface, and a disk-shaped seating surface plate 18 a 5 loosely fitted in the recess 101. The Between the lower surface of the seat board 18a and the bottom surface of the recess 101, friction reducing means 103 for reducing the frictional force between them is provided. The friction reducing means 103 may be a sheet of fluorine resin such as polyfluoroethylene, or beads of low pressure polyethylene or polyamide resin. Alternatively, a large number of steel balls may be embedded by exposing a part thereof on the upper surface of the substrate 22a.

  The board | substrate 22a and the seat surface board 18a may be divided | segmented so that attachment or detachment is possible at the boundary 105 which divides them into the surface direction. Thereby, it can be divided and transported and stored when not in use.

  FIG. 12 shows a state in which the substrate 22a is engaged with the element rail 327 (rail 326) via the guide member 340a (or 340b, 340c). The guide member is guided by the rail 326 and moves along the rail 326. As a result, the board 22a travels along the rail 326 while being guided by the guide member instead of the wheel 24 as shown in FIGS.

  FIG. 13 shows still another example of the guide member. The guide member 340d is located in the hollow portion of the element rail 327 (rail 326) and is engaged with the element rail 327. The guide member 340d is fixed to the base plate 22a at the upper end 111, and a cylindrical wheel 109 at the lower end is capable of rolling on the inner wall of the hollow portion of the element rail 327 in the longitudinal direction of the element rail 327. It is attached at the axis.

  In the mode shown in FIGS. 12 and 13, the board 22 a can be detachably detached from the wheelchair while being engaged with the rail 326 via a guide member.

  Moreover, the slide seat chair of this invention may be equipped with four mutually extendable and retractable rails which are attached to a seat surface part and used selectively. When the slide chair is used, one of the outer rails is not used while being contracted among the four rails. FIG. 14 shows a use state of the slide seat chair 400 provided with four telescopic rails 326-1 to 4. The rails 326-1 to 4 are attached to the seating surface portion 16 in this order. In addition, the seat surface part 16 is provided with the supported part corresponding to each rail.

  In FIG. 14, the loader 1 moves from the wheelchair 402 to the bed 50 by moving the rail 326 from the wheelchair 402 to the bed 50. The rider 1 moves on the rails in order from the stage 1 (S1) to the stage 5 (S5) while riding on the seat portion 16. Of the four telescopic rails, the rail 326-1 is not used while being contracted. The rail 326-3 may also be unused while being contracted, but it is preferable to support the seat portion 16 with three rails including the rail 326-3 because the deflection of the rail can be reduced.

Stage (1): The seat 16 is in a state immediately after the wheelchair 402 is separated from the wheelchair 402, and the mounter 1 is on the seat 16 in a forward direction and has his legs extended forward. Note that front and rear refer to directions based on the wheelchair 402.
Stage (2): The mounter 1 keeps the body facing forward and lowers the lower part from the knees of both legs to the side of the rail 326-2. If the rail 326-1 is extended in the same manner as the other rails, the operation of lowering the foot is obstructed, but since the rail 326-1 is contracted, this operation is performed smoothly.
Stage (3): With the foot down, rotate the seat board to turn the body sideways.
Stage (4): The seat 16 reaches the edge of the bed 50. Thereafter, the lower part from the knees of both feet is placed on the bed 50.
Stage (5): The seat 16 is moved to the end of the rail with the lower part of both feet from the knee placed on the bed 50. The body is then transferred to the bed 50.

  Thus, the rail 326-1 remains contracted, so that the operation of the stage (2) is not hindered by the rail 326-1.

  When descending on the bed 50 in the direction opposite to the state of the stage (5), the rail 326-4 out of the four rails is not used with the rail 326-4 being contracted, and the mounter 1 moves the lower part from the knees of both legs to the rail 326. It will be lowered by -3. At this time, the rail 326-2 may also be unused while being contracted.

  FIG. 15 shows a 350 base board 350 to which four base rails 328 are fixed in correspondence with such an embodiment.

  It is desirable that the upper surface 55 of the seat portion 16 and the upper surface 57 of the bed be flush with each other because the transition from the seat portion 16 to the bed is smooth. Therefore, in the present invention, like the bed 50a with a bed transition function shown in FIGS. 16 and 17, the mat notch portion 356 for allowing the front end portion 121 of the rail 326 to enter in the wheelchair 402 to which the slide seat chair is attached is provided. It is preferably formed on the side of the bed base 51. The bed base 51 is a base board on which the mat 53 is placed. In the bed 50a with a bed transfer function, the mat 53 is provided with a compensation member 360 that is detachably supplemented to the notch portion 356. The filling member 360 is filled into the notch 356 when the rail 326 of the wheelchair 402 is withdrawn from the notch 356. The mat 53 and the compensation member 360 are connected via a hinge portion 362 or a flexible member, and the compensation member 360 is opened and closed with the hinge portion 362 as a fulcrum. Alternatively, the filling member 360 may be independent from the mat 53 and may be fitted into the notch 356. Reference numeral 59 denotes a fixture that is fixed to the upper surface of the bed base 51, and engages and temporarily fixes the front end 121 of the rail 326 placed on the upper surface of the bed base 51. Reference numeral 63 denotes a recess provided in the compensation member 360 corresponding to the fixture 59.

Furthermore, in the present invention, as shown in FIG. 18, the wheelchair 2 with a bed transfer function includes a stretchable auxiliary arm (arm) 370 . The auxiliary arm 370 is engaged with and mounted on the armrest 372 of the wheelchair 2 with the bed transfer function. The auxiliary arm 370 has a structure in which the element arms 370-1, 370-2, 370-3, and 370-4 are connected in this order by the weir structure, and the element arm 370-1 and the armrest 372 are in a contracted state. And the thickest element arm 370-1 is arranged along the armrest 372 and engaged with the armrest 372.

In the state (C1), the element arm 370-2 is pulled out from the element arm 370-1 and is erected from the distal end portion of the element arm 370-1. The other element arms are housed in the hollow portion of the element arm 370-2. In this state (C1), the standing element arm 370-2 can serve as a drip bar.
In the state of (C2), the element arm 370-2 is pulled out horizontally from the element arm 370-1, and the element arm 370-3 is pulled out from the element arm 370-2 and hangs down from the tip of the element arm 370-2. The tip of the element arm 370-3 comes into contact with the floor surface 5. In the state of (C2), the suspended element arm 370-2 serves as a cane when the mounter stands. In particular, when used in a toilet, it is easy for a caregiver to operate the wearer's clothes.
In the state of (C3), the element arm 370-2 is pulled out horizontally from the element arm 370-1, the element arm 370-3 is pulled out horizontally from the element arm 370-2, and the element arm 370-4 is pulled out from the element arm 370-. 3 is pulled down from the tip of the element arm 370-3 and the tip of the element arm 370-4 abuts against the surface 380 of the bed 50. In the state of (C3), the element arms 370-2 and 370-3 serve as handrails when the rider travels on the rail 326 and moves.

  A pair of left and right auxiliary arms 370 are attached to the wheelchair 2 with a bed transfer function.

  FIG. 19 shows an example of an aspect in which adjacent square cylindrical element arms are connected at right angles. In FIG. 19, reference numeral 384 denotes a thick element arm in the weir structure, and reference numeral 385 denotes a thin element arm. One end portion of the element arm 384 is missing the upper wall and the lower wall, and only the side walls facing each other extend from the rectangular cylindrical main body 386 in the longitudinal direction of the main body 386 to form a side wall extending portion 388. Yes. A long hole 390 extending in a direction orthogonal to the longitudinal direction of the main body 386 is formed in the side wall extending portion 388 at a position facing each other.

A detent piece 392 that is loosely fitted into the elongated hole 390 is attached to one end of the element arm 385 via a mounting box (not shown). The mounting box incorporates an urging means (not shown) for urging the movement stop piece 392 to the side. When the element arm 385 is inserted into the hollow portion of the element arm 384, the detent piece 392 is pressed against the side wall of the element arm 384 and retracted toward the inside of the mounting box. Detent piece 392 constitute the holding means 502 for holding the folded Re bend 500 fold Re bent state.

  FIG. 20 shows the shape of the element arm 384. FIG. 21 shows the shape of the element arm 385. In FIG. 21, reference numeral 394 denotes a mounting box.

FIG. 22 shows an example of another mode in which adjacent square cylindrical element arms are connected at right angles. In FIG. 22, one end of an L-shaped square member 396 is inserted into one distal end portion of the element arm 384, and the other end of the square member 396 is inserted into one distal end portion of the element arm 385. One end and the other end are orthogonal. Square timber 396 constitute a holding means 502a for holding the folded Re bend 500a to fold Re bent state.

  In the wheelchair 2 with a bed transfer function, as shown in FIG. 23 (the seat portion 16 is not shown), the main body frame portion 20 may include lifting means 60 attached so as to support the bottom frame portion 12. By the extension of the lifting means 60 itself, the wheelchair 2 with a bed transfer function can be lifted from the floor surface 5 and the distance between the floor surface 5 and the foundation rail 328 can be adjusted. Thereby, the extended rail 326 can be leveled with respect to the bed of different height, and the front-end | tip part 46 (3) can be mounted in a bed. The elevating means 60 may be detachably attached to the wheelchair 402 via the attachment portion 131. Although the aspect of the raising / lowering means 60 is not specifically limited, For example, you may have what is called a scissors link mechanism.

  In addition, the present invention can be implemented in a mode in which various improvements, modifications, and changes are added based on the knowledge of those skilled in the art without departing from the spirit of the present invention.

It is a partially transparent explanatory drawing which shows the aspect of the slide seat chair in this invention in a wheelchair with a bed transfer function. It is a perspective schematic diagram which shows an example of a structure of the rail used for the slide seat chair of this invention. FIG. 3A is a perspective view showing an example of a base base to which a rail is fixed, FIG. 3A is a state in which the base base is folded, and FIG. 3B is a state in which the base base is flat. It is sectional drawing which shows an example of the aspect of the latching | locking part with which the base rail 328 was equipped. It is a side surface schematic diagram explaining the use condition of the wheelchair with a bed transfer function provided with the slide seat chair in the present invention. It is a side surface schematic diagram explaining the other use condition of a wheelchair with a bed transfer function. It is sectional drawing of the rail used for the slide seat chair in this invention, and Fig.7 (a)-(d) is a respectively different aspect. An example of the structure of the seat part used for a wheelchair with a bed transfer function is shown, Fig.8 (a) is a side view, FIG.8 (b) is a front view. It is a principal part perspective schematic diagram of the seat part shown in FIG. It is principal part sectional drawing of the seat part shown in FIG. The other example of a structure of the seat part used for a wheelchair with a bed transfer function is shown, Fig.8 (a) is a front view, FIG.8 (b) is a top view. It is principal part sectional drawing which shows the state by which the board | substrate was engaged with the rail via the guide member, and Fig.12 (a)-(c) is a respectively different aspect. It is principal part sectional drawing of the other aspect which shows the state by which the board | substrate was engaged with the rail via the guide member. It is explanatory drawing which shows the use condition of the slide seat chair provided with four telescopic rails, FIG. 14 (a) is a side view, FIG.8 (b) is a top view. It is a perspective view which shows an example of the other aspect of the base base | substrate which fixed the rail, Fig.3 (a) is the state in which the base base | substrate was folded, FIG.3 (b) is the state in which the base base | substrate became flat. It is side surface explanatory drawing which shows the aspect of the bed with a bed transfer function in which the notch part which makes a rail approach was formed. It is a principal part perspective view which shows the aspect of the bed with a bed transfer function in which the notch part which makes a rail approach was formed. It is side explanatory drawing which shows the aspect of the wheelchair with a bed transfer function provided with the elastic auxiliary arm. Is a perspective schematic view illustrating an example embodiment of the folding Re bend the rectangular tubular element arms of adjacent are connected at right angles. The shape of the thicker element arm in FIG. 19 is shown, FIG. 20 (a) is a front view, FIG. 20 (b) is a plan view, and FIG. 20 (c) is a side view. The mode of the thin element arm in FIG. 19 is shown, FIG. 21A is a front view, FIG. 21B is a plan view, and FIG. Rectangular tubular element arms of adjacent is a schematic front view showing another example of embodiment of the folding Re bent part connected at a right angle. It is side explanatory drawing which shows an example of the state to which the raising / lowering means was attached to the wheelchair with a bed transfer function.

Explanation of symbols

2, 2a, 2b: Wheelchair with bed transfer function 4: Front wheel 6: Rear wheel 20: Main body frame portion 16, 16a: Seat portion 18, 18a: Seat board 22, 22a: Substrate 24: Wheel 326: Rail 328: Foundation Rail 334: Element rail 50: Bed 53: Mat 60: Lifting means 90: Element rail 400, 400a, 400b: Slide seat chair 402: Wheelchair 350: Base base 340a, 340b, 340c, 340d: Guide member 356 notch 360 filling member 50a: Bed migration feature bed 500: folding Re bend 502: holding means 370: auxiliary arm (arm)

Claims (8)

A rail mounted on a wheelchair having a front wheel and a rear wheel, a main body frame portion supporting the front wheel and the rear wheel, and an armrest , detachably attached to the wheelchair, and moved along the rail A seat surface portion, wherein the rail is in a state of being stretched over the bed and the wheelchair and in another state selected from a contracted state, a folded state, and a divided state. The seat surface portion moves along the rail in the one state, and the wheelchair includes an auxiliary arm that is attached to the front of the armrest and can be expanded and contracted in a horizontal direction. A bent portion that bends substantially perpendicularly to a direction selected from upward and downward from the auxiliary arm can be formed reversibly, and the auxiliary arm is bent at the bent portion. Slide chair seat having a holding means for holding the. The slide seat chair according to claim 1, wherein the rail is locked to the wheelchair via a base base to which the rail is fixed. The slide seat chair according to claim 2, wherein the base base is foldable when not in use. The slide seat chair according to any one of claims 1 to 3, wherein the rail is engaged with the seat surface portion via a guide member that moves while being guided by the rail. The said seat surface part is provided with the board | substrate which guides and travels by the said rail, and the seat board which is supported by this board | substrate so that rotation is possible around the axial center orthogonal to a seat surface. The slide seat chair described in 1. The slide seat chair according to any one of claims 1 to 5, comprising four rails that are selectively used in parallel with each other. The slide seat chair according to any one of claims 1 to 6, wherein the rail is formed by assembling a plurality of element rails. A bed in which the slide seat chair according to any one of claims 1 to 7 is mounted on a wheelchair, and the rail is bridged between the wheelchair and comprising a mat and a bed base on which the mat is placed, the cutout advancing the distal end portion of the rail is formed in the mat side, beds beds transition functions of the compensation member is detachably compensate the notch.

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