JP6541228B2 - Chair - Google Patents

Description

  The present invention relates to, for example, a chair provided with a foot support that enables a person in a sitting position to be stably bathed in a sitting position.

As shown in FIGS. 10 and 12, a chair main body 1 having a chair portion 3 and a lifting device 4 and a carriage portion 2 capable of traveling on a floor surface while supporting the chair main body 1 are provided. A bathing assistance wheelchair (shower carry) X is proposed by the inventor of the present invention to be able to move to the bathroom in the sitting position sitting on the seat and to be able to take a bath in the sitting position on the chair part 3 1).
That is, as shown in FIG. 10, the wheelchair X for bathing assistance is configured so that the chair main body 1 can slide in the width direction of the chair 3 along the first rail 21 of the carriage 2. It is supported by two.

And this bathing assistance wheelchair X can be bathed and cared for as follows.
That is, first, as shown in FIG. 12 (a), a person in need of care at the time of bathing is seated in the chair unit 3 in the dressing room or bedroom, etc., and the bathing assistance wheelchair X is moved to the bathroom, the first rail 21 and a second rail 22 installed on the bottom of the bathtub BT are connected.
After that, the lifting device 4 raises the seat 32 of the chair 3 to a position slightly higher than the heel of the bath tub BT, and the foot support 100 makes the foot of the person sitting on the chair 3 slightly higher than the heel To support.

Next, as shown in FIG. 12 (b), the chair main body 1 is slid toward the second rail 22 and then the chair 3 is moved by the lifting device 4 as shown in FIG. 12 (b). Is lowered to a position close to the bottom surface of the bathtub BT, and a person seated on the chair portion 3 is made to enter the bathtub BT together with the chair portion 3. That is, a person is made to bathe in a sitting position.
After bathing, as shown in FIG. 12 (b), the chair 3 is raised by the lifting device 4, and then the chair 1 is slid toward the first rail 21 as shown in FIG. 12 (a). The chair main body 1 is made to unite with the carriage 2.

  Then, the connection between the first rail 21 and the second rail 22 is released, the foot support by the foot support 100 is released, and the chair unit 3 is lowered to sit in the chair unit 3 and take a bath in the dressing room or bedroom Move the wheelchair for assistance X.

In the wheelchair X for bathing assistance, as shown in FIG. 11, the foot support 100 includes a chair fixing portion 110, a slide portion 120, and a pair of foot placement portions 130.
The chair portion fixing portion 110 is supported and fixed along the lower surface of the seat portion 32 at the lower central portion of the seat portion 32 of the chair portion 3.

The sliding portion 120 is a seat portion by a person in the sitting position sitting in the seat portion 32 or a caregiver inserting a hand downward from between the legs of the seated person to push and pull the chair portion fixing portion 110 in the longitudinal direction. The guide portion 32 is slidably supported in the front-rear direction of the seat portion 32 while maintaining a parallel state to the lower surface 32 of the seat portion 32.
The foot placement portion 130 includes a shaft portion 140 and a cushion material 150.

One end of the shaft portion 140 in the longitudinal direction is pivotally supported by the distal end portion of the slide portion 120, and the folding position along the side surface of the slide portion 120 by rotation and the other end in the width direction of the seat portion It is possible to select an outward facing deployment position.
The cushioning material 150 has a tubular shape formed of a material having high cushioning properties such as a foamed resin, and is externally fitted to the shaft portion 140.

That is, in this bathing care chair X, the person sitting on the chair portion 3 or the caregiver puts his hand between the legs of the person sitting and holds the tip of the slide portion 120 in front of the seat portion 32. After pulling out, as shown in FIG. 10, the shaft portion 140 of the foot placement portion 130 is put in the unfolded state, and the caregiver lifts the foot of the person seated on the seat portion 32 to cushion the sole of the foot near the arch. By supporting the shaft portion 140 via the material 150, the foot can be held in a state of being lifted to a position close to the lower surface of the seat portion 32.
And when moving the chair main body 1 from the 1st rail 21 to the 2nd rail 22 or from the 2nd rail 22 to the 1st rail 21, even if a carer does not support a person's leg who sat down, a leg is not It does not get caught in the bathtub BT. Therefore, the burden on the caregiver is small.

In addition, since the foot support 100 can support the height of the foot substantially at the height of the seat 32, the chair main body 1 can be placed at a position slightly higher than the upper surface of the heel. It can be moved from the first rail 21 to the second rail 22 or from the second rail 22 to the first rail 21, and it is less likely to give fear to a person seated in the chair portion 3.
In FIG. 10, 23 is a footrest, and 33 is an armrest.

JP, 2015-58054, A

However, according to the structure of the foot support 100 described above, the foot support 130 has a simple bar shape and only supports the lower part near the bottom of the foot of the person in the sitting position from the bottom. In some people who are weak or people with severe disabilities, their feet may fall downward without support from the caregiver.
Therefore, as shown in FIG. 10, a belt 160 whose lower end is supported is attached to the foot placing portion 130, and the belt 160 is wound around the ankle portion of a person placed on the foot placing portion 130 with this belt 160. I'm trying to solve the above problem by the method of fixing.

  However, in the method using the belt 160 described above, care is given since the caregiver must support the foot not to slip off the foot support 130 until the belt 160 is wound around the ankle. Depending on the degree of disability of a person, one person's work may be difficult, and it may also put a burden on the person being cared for.

  In view of the above-described circumstances, the present invention allows a caregiver to easily and reliably support the foot support of a person in a sitting position with a foot support even in a severe disabled person who can not easily maintain his position. It is intended to be provided.

In order to achieve the above object, a chair according to the present invention (hereinafter referred to as "the chair of the present invention") has a seat and a tip supported by the seat so as to extend forwardly of the seat. A chair comprising a slide portion and a pair of left and right foot placement portions supported by the slide portions so as to be able to select a folding posture and a deployment posture, the foot placement portion comprising a shaft portion and a foot placement A foot placing part main body having a structural part is provided, and the sliding part can select a folding position where the shaft part follows the slide part, and a deployed position where the tip of the shaft part faces outward in the width direction of the seat part Attached, the foot placement portion main body pivots about the pivot portion when the pivot portion is in the deployed position, and the foot placement structure portion is inhibited from the foot placement posture and the folding of the pivot portion While being supported by the shaft portion so as to be selectable in a non-foot mounting posture, The locked to a part of the sliding portion, it is characterized in that it comprises a locking portion for holding the setting attitude feet foot placement structure Te.

In the chair of the present invention, the foot support structure includes a foot support portion receiving at least a sole portion of a heel, and an anti-slip portion supporting at least a back portion of the heel to prevent foot slippage. it is preferred to have.
That is, with the configuration as described above, when the caregiver lifts the foot of the person in the sitting position to the foot support portion, the foot slides down from the foot support portion. If so, the ankle portion is locked by the anti-slip portion and the anti-slip is prevented.
Therefore, even in a person who can not hold his / her foot in a state of being placed on a bar-like footrest by his own strength, he / she can not hold his / her foot in a footrest even when the foot is weak or the degree of disability is heavy. It becomes easy to keep without assistance, and the care workability improves.

In the chair according to the present invention, the foot placement structure prevents the lateral displacement preventing portion for preventing lateral displacement in the direction of the external foot of the foot whose sole is supported by the sole supporting portion and lateral displacement in the direction of the internal foot It is preferable to provide at least one of the inner foot lateral slippage preventing portions.
  That is, with the above-described configuration, not only the downward sliding of the foot can be prevented, but also lateral displacement in the foot direction or the foot direction of the foot can be prevented. , The foot can be held in a more stable foot-raising state.

It is preferable that the above-mentioned slide part is provided so as to be operable by inserting a hand between the legs of a sitting person seated on the seat below the seat.
That is, the seat occupant can easily advance and retract the slide portion in the sitting posture, and the shaft portion can be easily deployed by sliding the tip of the slide portion forward to the seat to a position shifted from the foot. Can be And, in the unfolded state, the foot placement portion main body can be easily put in the foot placement posture.

According to the chair of the present invention, the foot placement portion is disposed between the foot placement structure portion and the vicinity of the ankle and / or the upper portion of the foot supported by the foot placement structure portion. It is preferable to have a belt for holding the foot in a state of being supported by the foot placement portion main body.
That is, with the above configuration, it is possible to prevent the upward displacement of the foot.

The material of the foot placing portion main body and the belt is not particularly limited, but it is possible to prevent both from being hurt when stepping on or hitting the body, and therefore, it is made of a soft material having rubber elasticity such as silicone rubber. Is preferred.
In addition, by making the belt a soft material, the belt can be expanded and contracted according to the size of the seated person's foot, and one end of the belt is fixed to the shaft portion, and the other end of the belt is provided with a locking hole. In addition, when the locking hole is locked to any of the foot placing part main body and the foot is held by the belt, the locking hole part is provided on the foot placing main body side. The other end of the belt can be fixed firmly by force-fitting it easily to the locking projection or the like.
Furthermore, by making the foot placement portion main body, the belt, and the like the same material, each component can be simultaneously formed, and material procurement and productivity can be improved.

In the chair according to the present invention, as described above, the seat portion, the slide portion whose distal end portion is supported by the seat portion so as to be extendable forward of the seat portion, and the slide portion so as to select the folding posture and the deployment posture. A chair having a pair of left and right footrests supported by the footrest , the footrest including a footrest body having a shank and a footrest structure, and the shank The folding position along the slide portion and the deployed position where the tip end of the shaft portion faces outward in the width direction of the seat portion can be selectively attached to the slide portion, and the foot placement portion main body is deployed When in the position, the shaft portion is pivoted about the shaft portion so that the foot placement structure can be selected between the foot placement posture and the non-foot placement posture that does not inhibit the folding of the shaft portion. And is locked to a part of the slide portion by turning, and the foot placement structure portion is Is provided with the engaging portion for holding the mounting postures, by a footrest main body to the non-footrest postures, when the posture folded shank, footrest body of the seat lower The foot support does not get in the way when the foot support body is not in use.
In addition, only by pivoting the foot placing part main body, the locking part is locked to a part of the slide part, and the foot placing structure can be easily placed in the foot placing posture, and the care of the carer is taken. The work is simplified, and the rotation of the shaft can be stopped to improve the safety.

It is a perspective view of a bathing care wheelchair which is one embodiment of a chair of the present invention. It is a perspective view of the foot support of the wheelchair for bathing care of FIG. It is a perspective view of the foot mounting part main body of the foot support of FIG. It is a foot mounting part main body by the side of the left foot of the foot support of FIG. 2, Comprising: The same figure (a) is a top view, the same figure (b) is a side view, and the same figure (c) is a front view. FIG. 3 is a perspective view of a belt of the foot support of FIG. 2; FIG. 3 is a perspective view of a state in which a foot support main body is housed below a seat by sliding the slide portion of the foot support of FIG. 2 backward most. It is a perspective view showing the state made into the unfolded posture the axial part which pulled out the slide part of the foot support of Drawing 2 ahead to a seat part. It is a perspective view showing the state which made the foot mounting structure part of the foot mounting part of the foot support of FIG. 2 the foot mounting posture. It is a perspective view showing the state which made the foot support of FIG. 2 support a foot | leg. It is a perspective view of the wheelchair for bathing care which the inventor proposed previously. It is a principal part perspective view explaining the foot support of the wheelchair for bathing care of FIG. It is a figure which illustrates roughly the usage method of the wheelchair for bathing care of FIG.

Hereinafter, the present invention will be described in detail with reference to the embodiments.
FIG. 1 shows a bathing care wheelchair which is an embodiment of a chair according to the present invention.

As shown in FIG. 1, this bathing care vehicle wheelchair A (hereinafter referred to as "chairwheel" only) is basically the same as the bathing care wheelchair X in FIG. 10 except that the structure of the foot support 5 is different. It has a structure. Therefore, the same construction as the bathing care wheelchair X is given the same reference numerals.
That is, as shown in FIG. 2, the foot support 5 includes a chair portion fixing portion 51, a slide portion 52, and a pair of left and right foot placement portions 53.

The chair portion fixing portion 51 is provided with two cylindrical guide portions 511, and the two guide portions 511 are chairs so that their cylindrical axes are parallel to each other across the central axis of the seat portion 32 in the width direction. It is fixed to the part 3.
The slide portion 52 includes a slide portion main body 54 and a bearing portion 55.

The slide portion main body 54 has a U-shaped pipe, and both U-shaped straight portions 541 are slidably fitted in the guide portion 511 in the front-rear direction of the seat portion 32 and are not shown. However, a stopper is provided, and the slide length to the front of the seat portion 32 is restricted by the stopper and the detachment from the guide portion 511 is prevented.
The bearing portion 55 is fixed to the slide portion main body 54 substantially along a connection portion 542 connecting the U-shaped straight portions 541 of the slide portion main body 54.

The slide portion main body 54 slides toward the rear end side of the seat portion 32 until the bearing portion 55 abuts on the end surface of the guide portion 511.
That is, in the state where the slide portion main body 54 is retracted to the rear end side of the seat portion 32 most, the slide portion 52 is configured such that the connecting portion 542 protrudes from the front end of the seat portion 32 By holding the U-shaped connecting portion 542 of the slide unit main body 54, the person M in the sitting position can also pull out the slide unit 52 to the front of the seat portion 32 by inserting the hand between the legs. There is.

The foot placement portion 53 includes a shaft portion 56, a foot placement portion main body 57, a belt 58, and a cap 59.
The shaft portion 56 is horizontally rotatably supported by the bearing portion 55 via the shaft support portion 561, and the folding position along the straight portion 541 of the slide portion main body 54 shown in FIGS. 1 and 6; The development position orthogonal to the straight line portion 541 shown in FIGS. 7 to 9 can be selected.

The foot placement portion main body 57 is a molded article of a soft material such as silicone rubber, and includes a foot placement structure portion 571 and a locking portion 572 as shown in FIGS. 3 and 4.
The foot placement structure 571 includes a heel support portion 571a as a sole support portion, an arch support portion 571b as a sole support portion provided to surround the heel support portion 571a, and an anti-slip portion 571c. The outer foot lateral anti-slip portion 571 d and the inner foot lateral anti-slip portion 571 e are provided. In other words, the foot placement portion main body 57 is composed of a bottom surface, and a rear back wall, an inner wall and an outer wall surrounding three sides of the bottom, and the bottom is a heel support portion 571a, the rear back wall is a slippering prevention portion 571c, and the inner wall is an inner foot The lateral displacement preventing portion 571 e and the outer wall are an external foot lateral displacement preventing portion 571 d.
The foot placement portion main body 57 is rotatably attached to the shaft portion 56 at the front end of the heel support portion 571a or the inner foot lateral slippage prevention portion 571e such that the shaft portion 56 is a rotation axis.

The heel support portion 571a has a flat surface and is adapted to receive the heel portion of the sole and is provided with a drain hole 571f.
The arch support portion 571b is connected to the end edge of the heel end portion of the heel support portion 571a, and has a shaft portion insertion hole 571g into which the shaft portion 56 is fitted.

The inner diameter of the shaft insertion hole 571g is not particularly limited as long as the foot placement portion main body 57 can rotate about the shaft portion 56 in a state in which the shaft portion 56 is fitted, but the rotation can be performed smoothly. It may be slightly larger in diameter.
Further, on the arch abutment portion on the upper surface side of the arch support portion 571b, a non-slip ridge is provided parallel to the axis.

The slip prevention portion 571c is provided so that the lower end rises from the ankle side edge of the heel support portion 571a and is connected to the outer foot lateral slip prevention portion 571d and the inner foot lateral slip prevention portion 571e to support the heel portion of the heel. It has a curved shape to make it
The outer foot lateral slippage prevention portion 571d has a lower end rising from the outer foot side end edge of the heel support portion 571a, one end connected to the arch supporting portion 571b, and the other end connected to the slip prevention portion 571c.
The inner foot lateral slippage prevention portion 571e has a lower end rising from an inner foot side end edge of the heel support portion 571a, one end connected to the arch supporting portion 571b, and the other end connected to the slip prevention portion 571c.

The locking portion 572 is provided along the inner-foot lateral-shift preventing portion 571e, and a locking groove 572a is provided.
The locking groove 572 a has a width larger than the diameter of the straight portion 541 of the slide portion main body 54. The foot placement portion main body 57 rotates along the shaft portion 56, and the one linear portion 541 is fitted into the locking groove 572a, whereby the foot placement portion main body 57 is fixed.

The belt 58 is a belt-like molded article made of a soft material such as silicone rubber similar to that of the foot placing portion main body 57, and through holes 581 and 582 are bored at both ends as shown in FIG. A knob 583 is provided at one end in the longitudinal direction.
The inner diameter of the through hole 581 is not particularly limited as long as the shaft portion 56 fits in, but the same or a slightly larger diameter than the outer diameter of the shaft portion 56 is preferable.

The inner diameter of the through hole 582 may be equal to the diameter of the through hole 581 as long as it can be force fitted to a cap 59 described later and fixed to the shaft portion 56 via the cap 59.
The knob portion 583 is provided at an end of the through hole 582 disposed on the outer foot side of the foot.

  The cap 59 is a band-shaped molded product of a soft material such as silicone rubber similar to that of the foot placement portion main body 57, and has a fitting hole (not shown) slightly smaller in diameter than the outer diameter of the shaft portion 56. .

The foot placement portion main body 57, the belt 58 and the cap 59 are attached to the shaft portion 56 as follows.
(1) The through hole 581 on the side where the knob portion 583 of the belt 58 is not provided is inserted to the end portion on the side of the shaft support portion 561 of the shaft portion 56.
(2) The shaft portion 56 is made to penetrate the shaft portion insertion hole 571g in a state where the locking portion 572 faces the shaft support portion 561 side to support the foot placement portion main body 57 on the shaft portion 56.
(3) Force the distal end portion of the shaft portion 56 protruding from the foot placement portion main body 57 through the shaft portion insertion hole 571g into the fitting hole (not shown) of the cap 59 and force the cap 59 into the shaft portion 56 Attached to the tip end portion, the foot placement portion main body 57 is prevented from coming off.
(4) The cap 59 is fitted into the through hole 582 on the side of the knob portion 583 of the belt 58 so that the belt 58 has a horseshoe shape and is rotatably mounted around the shaft 56 together with the cap 59 while holding the horseshoe shape.

And the said wheelchair A is used as follows.
(1) As shown in FIG. 1, while the chair main body 1 is supported by the carriage 2, the disabled person or the elderly who have difficulty walking in the dressing room, bedroom, etc. are seated on the chair part 3 Transfer to the bathroom washroom. At this time, as shown in FIGS. 1 and 6, the foot support 5 is in a state where the slide portion 52 slides most toward the rear end of the seat portion, and the shaft portion 56 is a straight line of the slide portion main body 54. In the folded state substantially along the portion 541, the foot placement portion main body 57 is hidden below the seat portion 32.
(2) As shown in FIG. 11 (b), the first rail 21 is connected to the second rail 22 installed on the bottom of the bathtub BT.
(3) The carer (or the seated person M) holds the connecting portion 542 of the sliding portion main body 54 with a hand inserted from the space between the legs into the seated person M, and as shown in FIG. While pulling out to the front of the seat 32 until it hits the stopper, the caregiver (or the seated person M) rotates the shaft 56 horizontally by 90 degrees so as to be in the deployed position.
(4) As shown in FIG. 8, the carer (or the seated person M) fits the foot placement portion main body 57 into the locking groove 572a of the locking portion 572 and the linear portion 541 of the slide portion main body 54; The foot placement structure 571 is turned so as to be in the foot placement posture.
At this time, as shown in FIG. 8, the belt 58 is disposed below the foot placement structure 571 so that no obstacle is present on the foot placement structure 571.
(5) With the belt 58 disposed below the foot placement structure 571 as shown in FIG. 8, as shown in FIG. 9, the heel is supported by the heel support 571a and the arch support 571b The carer lifts the foot F of the seated person M and places it on the foot placement structure 571 so as to support the arch of the foot.
That is, at this time, since the locking portion 572 of the foot placement portion main body 57 is locked to the straight portion 541 of the slide portion main body 54, even if the caregiver releases the hand, the heel is the heel support portion 571a. The supported foot F is held in a state in which the lower end portion of the ankle is locked to the anti-slip portion 571 c. Further, lateral shift to the outer foot side and the inner foot side can be prevented by the outer foot lateral shift prevention portion 571 d and the inner foot lateral shift prevention portion 571 e.
(6) The belt 58 is rotated upward as shown in FIG. 9 to hold the instep or ankle portion of the foot F between the foot placement structure 571 and the foot.
In the belt 58, as shown by a two-dot chain line in FIG. 9, after the fitting of the cap 59 and the through hole 582 is released and the foot F is placed on the foot placement structure 571, the through hole 582 is It is also possible to fit the cap 59 and hold the instep portion or the ankle portion of F between the foot mounting structure 571 and the foot portion. When the person M who is seated is a mildly disabled person who does not need the belt 58, the fitting of the through hole 582 may be released.
(7) Hereinafter, bath care is performed in the same manner as the wheelchair X in FIG.

Since the foot support 5 is as described above, this wheelchair A has the following excellent points.
(1) The foot placement portion main body 57 includes the locking portion 572 and the linear portion 541 of the slide portion main body 54 fits into the locking groove 572a, and the foot placement structure portion 571 is firmly in the foot placement posture. And hold. The footrest and the foot are not only received by the footrest structure portion 571 but also the ankle portion is supported by the anti-slip portion 571c to prevent the foot F from sagging to the rear.
Therefore, after the caregiver makes one foot F supported by the foot placement structure 571, the foot does not support one foot until the other foot F is supported by the other foot placement structure 571. F does not slip backward.
That is, both feet can be easily supported by the foot support 5 by one person's work.
(2) When the foot support 5 is not used, the foot placement portion 53 leaves the front end portion of the slide portion 52 and almost enters the lower side of the seat portion 32. Therefore, the chair portion in the dressing room or the bedroom The foot support 5 does not get in the way when moving to 3.
(3) Since the foot mounting portion main body 57, the belt 58 and the cap 59 are formed of a soft material having rubber elasticity such as silicone rubber, it is possible to prevent both from being hurt when stepping on or hitting the body. it can.
(4) Since the foot mounting portion main body 57, the belt 58 and the cap 59 are formed of the same material, each part can be simultaneously formed with one mold, and material procurement and productivity can be improved. Can.
(5) Since the water drain hole 571f is provided, when the foot placement portion 53 sinks into the bathtub BT, the foot placement portion main body 57 floats up and is inverted or pulled up from the bathtub BT by buoyancy. It is possible to prevent the hot water from being accumulated in the foot placement structure 571 and the foot placement body 57 from being reversed.
(6) The foot placement structure 571 includes the outer foot lateral slippage prevention portion 571d and the inner foot lateral slippage prevention portion 571e, so that lateral slippage of the foot in the medial-lateral direction can also be prevented.
(7) The cap 59 is formed of a soft material, and the belt 58 and the foot placement portion main body 57 are supported by the shaft portion 56 only by forcibly fitting the cap 59 to the shaft portion 56. The belt 58 and the foot support body 57 can be easily removed from the shaft 56 simply by removing the 59. That is, the shaft portion 56, the cap 59, the belt 58 and the foot placing portion main body 57 can be easily cleaned, and while it is hygienic, the cap 59, the belt 58 and the foot placing portion main body 57 are damaged. , Easily replaceable.

  The present invention is not limited to the above embodiment. For example, in the above embodiment, the foot placement configuration portion is a molded article of a soft material such as silicone rubber for the foot placement portion main body, but the shaft portion and the rod-like slip prevention portion are parallel links Connect and fold the anti-slip portion along the shaft, bridge the flexible net between the shaft and the anti-slip portion, and receive the bag with this net, and You may receive the arch part.

In addition, after the chair is lifted from the bogie by the lift device installed in the bathroom, and the chair is faced above the bathtub, the chair is lowered into the bathtub for bathing. It does not matter. The chair may have a slide rail along the wall of the bathroom, and may be supported via an elevating device slidably provided on the slide rail.
In the above embodiment, the head portion of the cap is forcibly fitted in the through hole provided in the outer foot side end of the belt to fix the outer foot side end of the belt. The end of the shaft may be inserted into the through hole provided at the foot end and the cap may be attached thereafter.

In the above embodiment, the guide portion has a cylindrical shape, but may have a rectangular cylindrical shape.
In the above embodiment, the cap is formed of a soft material, and the end of the shaft is forcibly fitted in the fitting hole provided in the cap to attach the cap, but if the cap is a hard material Alternatively, a male screw may be provided at the end of the shaft, and a female screw may be provided in the fitting hole of the cap so that the cap is screwed to the end of the shaft.

A Wheelchair BT Tub F Foot 1 Chair Body 2 Carriage 21 Rail 1 Rail 22 2nd Rail 23 Footrest 3 Chair 31 Backrest 32 Seat 33 Armrest 4 Lifting Device 5 Foot Support 51 Chair Fixation 511 Guide 52 Part 53 Foot placement part 54 Slide part body 541 Straight part 542 Connection part

Claims (2)

The seat,
A slide portion whose tip is supported by the seat so as to be extendable forward of the seat;
A chair comprising a pair of left and right foot rests supported by the slide portion so as to be able to select a folding posture and an unfolding posture,
The foot placement portion includes a foot placement portion main body having a shaft portion and a foot placement structure portion,
The shaft portion is attached to the slide portion so as to be able to select the folding position along the slide portion and the expanded position where the tip portion of the shaft portion faces outward in the width direction of the seat portion.
The foot placement portion main body, when the shaft portion is in the unfolded position, rotates about the shaft portion, and the foot placement structure portion does not inhibit the foot placement posture and the folding of the shaft portion. A locking portion which is supported by the shaft portion so as to be selectable in the mounting posture and is locked to a part of the slide portion by rotation and holds the foot mounting structure portion in the foot mounting posture chair characterized in that it comprises. A sole support portion for receiving at least a sole portion of the heel, the foot placement structure portion;
The chair according to claim 1, further comprising an anti-slip portion which supports at least a back portion of the heel and prevents the foot from slipping .

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