JP2000140029A - Independent chair - Google Patents

Abstract

(57) [Summary] [Problem] A self-supporting chair capable of reducing the care work of a patient using a chair, effective rehabilitation, thereby shortening the recovery period, and reducing the associated economic burden. Or to provide a wheelchair. SOLUTION: A support frame (3) supported by a front wheel (1) and a rear wheel (2), a seat support frame (4), an armrest portion.
Post frame (8) with (6) and push handle (7)
With a chair skeleton (S) integrated by connecting means, and a crutch having a side support arm (9) connected so as to be fixed or horizontally maintained at an upper end portion, that is, a standing and seating assisting means (T). The back support (5) is attached to the movable side of the vertically movable side support (10), and the front end of the seat (11) is swingably and slidably supported by the seat support frame (4). The rear end of the seat (11) is connected to the base end of a foot support arm (13) equipped with a footrest (12) at its free end, and the lower end of the lifting side support (10). The unit is configured to support a mechanism that swings integrally around a horizontal axis, and assists the reversible operation of the patient's sitting posture and standing posture by manual force or electric force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the expansion of the range of self-activity of a patient when he / she is forced to temporarily or long-term become physically handicapped and cannot move and becomes a chair resident (hereinafter referred to as a patient). Chairs used in hospitals, rehabilitation facilities, homes, etc. (including stools, wheelchairs, and assistive vehicles; the same applies hereinafter) for the purpose of reducing the caregiver's care work and achieving effective rehabilitation, The present invention relates to a self-standing chair developed with a primary focus on being able to get up and down from a chair without the help of a caregiver or with little assistance.

[0002]

2. Description of the Related Art Known and commonly used chairs include:
There are foldable chairs and fixed chairs that cannot be folded. In addition, these chairs include a chair dedicated to stool, a chair equipped with a self-moving wheel with a hand rim adapted to move by the strength of a patient, a chair driven by a rechargeable electric drive, a chair using these in combination, and a caregiver. There are various chairs that can respond to the degree of limb disability or the degree of disability of a patient, such as a chair that uses hand pushing or a rechargeable electric drive.

A chair for movement in these chair types, that is, a wheelchair, comprises a support frame (3) supported by a front wheel (1) and a rear wheel (2), a seat support frame (4), and a backrest. The basic configuration is with a backrest (5), an armrest (6), and a footrest (12).
Drive the rear wheel (2) on its own,
Either power or hand pushing force of the caregiver, and the left and right armrests (6) and footrests (12) are equipped with opening means and elevating means, making it easier for patients to get on and off the chair. As a chair exclusively for stool, there is a known chair having a configuration in which only the seat and the armrest are movable in the vertical direction to assist in standing up.

[0004] These known chairs are intended for patients at both extremes, in which a person can perform a sitting operation on the chair by himself or in a case where he / she cannot assist at all and needs the assistance of a caregiver. As in the case of a recoverable or recovering patient, from the initial stage where a caregiver is always required, it is not possible to stand on its own, but if it can be assisted, it can be more or less able to walk with its own feet by using a handrail or crutch. Intermediate patients with moderate disability who recover in a relatively short period of time after the middle stage, or who can walk with little assistance or crutches when standing with their legs stiffened ,
At present, the most suitable chair for rehabilitation (referred to as rehabilitation) has not yet been developed.

[0005]

Under the circumstances where there is no optimal chair focusing on rehabilitation as described above, not only the caregiver is forced to work excessively hard, but also the rehabilitation of the patient himself is not effective, and the recovery is not effective. In addition to the need for long periods of time, medical expenses and manipulative expenses required for nursing care, rehabilitation, etc., unnecessarily increase, and there are many problems, such as excessive fatigue of family caregivers.

SUMMARY OF THE INVENTION The present invention provides a self-reliant, self-reliant hospital that can reduce the caregiving work of a patient using a chair, effectively rehabilitate and thereby reduce the recovery period, and the attendant economic burden. The task is to provide chairs.

[0007]

A self-standing chair according to the present invention comprises:
One of the objects of the present invention is to solve the above-mentioned problems. One is a configuration of a self-standing chair dedicated to stool (referred to as a stool), and the other is a configuration of a self-standing chair with moving wheels (referred to as a wheelchair). It is a structure of.

First, a self-standing chair according to the present invention, a stool, comprises a support frame (3) for supporting a load, a seat support frame (4), an armrest (6) and a push handle (7). A side frame support (10) with a side support arm (9), a backrest (5), a seat (11), a footrest The foot support arm (13) supporting the (12) may be interlocked by a manual force or an electric force of the user or a caregiver to assist the reversible operation of the wheelchair user between the sitting posture and the standing posture. It is provided with a standing and sitting assistance means (T).

A wheelchair, which is a self-standing chair according to the present invention, is provided on the support frame (3) of the chair for stool having the above-mentioned structure.
The vehicle is equipped with a front wheel (1) or a rudder front wheel and a rear wheel (2).

[0010]

According to the self-standing chair according to the present invention, when the patient shifts (exercises) from the sitting position to the standing position on the seat (11) of the chair, and vice versa. When returning to the sitting position to sit on the seat (11) from
Side support (10) with side support arm (9), backrest (5), seat (11) and footrest (1) provided on the chair body (S)
The standing and seating assisting means (T) comprising the foot support arms (13) supporting the 2) can assist in standing and sitting, respectively, so that the patient's weight rises against the patient's armpits The side support (10) including the displaced side support arm (9), the seat (11) is raised, and the foot support arm (1
3) supported by the grounding of the footrest (12) by interlocking,
The burden is gradually applied to the armpits and legs, and the patient can take a standing posture exclusively by himself, reducing the burden on the caregiver. This is the same in the reverse case, that is, in the case of the sitting posture where the user sits on the seat (11) from the standing posture.

It is to be noted that the standing / seating assisting means (T) includes a known mechanical movement mechanism, particularly a link element, a rotating element,
Repeat constant movement of slider element, speed change element, etc.
The following actions and effects can be achieved by adopting various means constituted by coupling in a limited motion.

In particular, a crutch-shaped armpit support (10) having an armpit support arm (9) connected to the upper end so as to be fixed or horizontally maintained can be raised and lowered. The rear end of the seat (11), which has the front end of the seat (11) swingably and slidably supported on the seat support frame (4), is connected to the movable side, and the foot is connected to the free end. The chair body (S) is configured to swing the base end of the foot support arm (13) equipped with the table (12) and the lower end of the armpit support (10) integrally around a horizontal axis. ), The lifting and lowering force is applied to the side support (10), not only from a structural, manufacturable, cost, and safety standpoint as a chair, but also from an ergonomic standpoint. The patient's standing posture,
It is possible to secure the optimal movement for the movement of the center of gravity between the sitting postures, and to contribute to highly safe assistance, nursing care, reduction of labor, and efficient rehabilitation with a reliable and light operation force.

According to a fourth aspect of the present invention, a crutch-shaped ascending and descending side support (10) having a side support arm (9), which constitutes a standing and seating assisting means (T), and a seat ( 11)
The movement of the footrest (12) and the ground movement of the footrest (12) and the upward rotation of the rear end of the seat (11) (the auxiliary seat part (11b)) of the seat ( 11) Front end seating surface (main seat (11
By interlocking the vertical movement of a)) and the upward movement of the armpit support (9) to the armpit height in the standing position of the armpit support arm (9), the patient stands and sits down. The movement of the center of gravity during the mutual movement of the postures can be smoothly and smoothly assisted. In this case, the seat (11) is
a) and the auxiliary seat portion (11b) are hingedly connected at an abutting portion in the vehicle width direction and bent into a mountain shape.

According to a fifth aspect of the present invention, the side support (1)
When adopting means for changing the rotational motion to linear motion as the means for raising and lowering (0), in consideration of the center of gravity movement ergonomically, to secure the upward movement and the forward tilting posture during the standing operation. In addition, the chair body is linked to the vertical movement of the side support (10).
As in the case of the fourth aspect, as a combination with the configuration for securing the rocking motion with respect to (S), the movement of the center of gravity during the mutual movement of the patient in the standing posture and the sitting posture can be smoothly supported without difficulty. .

The means for changing the rotational motion to a linear motion and transmitting it to the side support (10) is a changing means comprising any combination of a screw rod and a nut, a pinion and a rack, or a pin gear and a rack. That is, since the rotation movement transmission to the rotation side can be power transmission through the speed reduction mechanism, it is possible to easily cope with either the charging rotation power or the manual rotation power. However, the present invention is not limited to this.

[0016] Further, as the standing / seating assistance means (T),
The object of the present invention can be achieved even when the seat (11) and the side support (10) are displaced by either the gas spring or the jack means using fluid pressure (claim 7).

When the power source of the standing / seating assistance means (T) uses a rechargeable electric power or jack means using fluid pressure, a chair body (S) which can be reached by a chair user.
It is needless to say that the control operation part is provided in a part of the device so that the control operation can be freely performed by the patient.

The power source for the rear wheel (2) is not particularly limited, and may be either a self-walking wheel with a hand rim or an electric wheel with drive control driven by a mounted battery.

Further, when a crutch that can be used in place of or in combination with the crutch-shaped side support (10) is detachably supported on the side support (10), the crutch for walking after standing up can be used. There is no need for the caregiver to carry or prepare the crutches in advance, and it is sufficient to support the crutches on the side support (10) even when returning to the sitting position, so that the caregiver's hand is not disturbed. The patient can be cleaned up, and the patient has more freedom of action, which contributes to increased rehabilitation motivation and convenience.

The front wheel (1) and the rear wheel (2) are made detachable with respect to the supporting frame (3) that supports the loading weight, so that they can be selectively used as a chair or a wheelchair by simple detaching operation. It is economical because you can do it.

[0021]

DETAILED DESCRIPTION OF THE INVENTION AND

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wheelchair as a self-standing chair according to the present invention shown in the drawings is a schematic diagram of a preferred embodiment for achieving the object, FIG. 1 is a right side view, and FIG. 2 is a front view. , FIG. 3 is a rear view, FIG. 4 is a right side view showing the movement of the standing and sitting assistance means (T), FIG. 5 is a crutch-shaped side support (10) connected to the chair body (S) and FIG. FIG. 4 is a partially enlarged view showing an example of a configuration in which a rotational motion is reduced to a linear motion.

The self-supporting wheelchair according to this embodiment is of a type that switches between movement by hand of a caregiver and movement by a self-propelled motor.
It consists of a chair body (S) part and a standing / seating assistance means (T) part.

First, the chair body (S) is a support frame.
(3) The support frame (8) bends and rises continuously at the rear end, and the push handle is bent at the upper end in the horizontal rearward direction.
(7) is formed, and a seat support frame (4) is provided at the height of the seat (11) of the support frame (8), and an armrest (6) is provided horizontally at the armrest height. A pair of side frames is secured to each other by securing the width interval (W) of the seat (11), connecting and fixing the lower supporting board (15) and the upper supporting rod (16), and integrating them. The battery (17) is mounted on the substrate (15), and the pair of self-propelled transmission motors (18) and elevating drive motors (19) that operate by this are both rotated forward and reverse. For raising and lowering control so that the rotation of the rear wheel shaft (20), which is individually rotated by the speed change motor (18), and the rotation of the raising and lowering drive motor (19) are transmitted via a clutch operated by a switch of the patient or caregiver. A shaft (21) is provided, corresponding to the worm wheel (23) on the left and right sides of the elevation control shaft (21), which will be described later. In addition, a pair of worms (22) for vertical drive is mounted on the shaft.

A front wheel (1) having a diameter of 12 cm is provided at each of the front ends of the pair of support frames (3) so as to be able to freely change the advancing / retreating direction.
Attach the rear wheel (2) with a diameter of 50 cm to (20).

On the other hand, the standing and seating assisting means (T) comprises a seat (11) pivotally supported by the left and right side supports (10) on the chair body (S).
And a limited movement is performed on the chair body (S).

The specific structure is as follows:
A pair of crutch-shaped side supports (10) with (9), seat (11)
And a pair of foot support arms (13) that support the footrest (12) at the tip, and each crutch-shaped side support (1
0) is horizontally connected by a backrest (5) partially or entirely formed of a flexible member so as to correspond to the adjustment of the width interval, and the side support (10) has an upper end portion. For the linear motion, a spring support is used to fit the side support arm (9) to the side, and a nut (28) is provided in the opening at the lower end so that it moves linearly without rotation. A support tube (10a),
A rotating shaft portion (10b) provided with a male screw portion (29) having a required elevating length equal to or more than the required elevating length screwed to the nut (28) at the distal end portion,
At the lower end of the rotating shaft (10b), the pair of worms
The worm wheel (23) that meshes with the (22) is pivotally mounted, and the distance between the pair of crutch-shaped side supports (10) is adjusted so that it can be adjusted to slightly different side intervals depending on the patient. It has become.

The means is to bend the upper ends of the pair of linear motion support tubes (10a), to secure the linear motion support tubes (10a) at the support portions, to secure a predetermined side gap, and to set the side support arms (10). 9)
The side support arm (9) can be slid in the width direction and fixed, or the side clearance can be obtained by replacing the side support arm (9). And so on.

In the seat (11), the main seat portion (11a) and the auxiliary seat portion (11b) are hinged at a folding line in the vehicle width direction. Support tube (10a)
The main seat (11a) is provided with sliders on both sides of the front end of the main seat (11a) so that it can be slid horizontally with respect to the seat support frame (4). And, it is rotatably supported by the seat support frame (4).

The pair of footrests is formed by connecting a base end of a foot support arm (13) having a footrest (12) at a free end thereof by a horizontal rod, and integrating the footrests. The supporting side plates erected on both sides of the rod portion are fixed to a lifting control shaft (21) erected under the chair body (S), and the lower end of the rotating side shaft portion (10b) is rotated by a horizontal rod. The armpit support (10), which is freely supported and formed into a crutch-shaped ascending / descending section, a seat (11), and a footrest (12) are interlocked.

First, the side support arm of the side support (10)
(9) In conjunction with the ascending movement to the armpit height position in the standing posture, the footrest (12) comes into contact with the ground, and the seat (11) in the horizontal state tilts the patient's buttocks from behind. It is configured to rotate upward in the upward direction to push forward and to be vertically oriented.

The armrest (6) of the chair body (S) has
So that the patient himself can control the lifting drive motor (19),
Lift grip lever for operating the lift switch (30)
And lowering grip levers (32) and left and right self-propelled transmission motors (1
An operation handle (31) for individually controlling the rotation, rotation direction, and stop of 8) is provided.

In the case of using the manual drive performed manually by the caregiver as the operation of the standing / seating assistance means (T),
Although not shown, the pair of side frames are connected to each other by a seat (1
The main support pulley that is rotated with a manual operation handle is provided on the upper support rod (16) that secures the width interval (W) of 1) and is connected and fixed, and this rotation is performed by a V belt that hangs on the main pulley. The second bevel gear, which is transmitted to the sub pulley and is coaxially mounted on the sub pulley, is axially moved on the elevating control shaft (21) so that meshing can be released (automatic / manual switching). There is provided manual means configured to mesh with the bevel gear.

The gears, clutches, pulleys, V-belts and the like are housed in a gear box or a protective cover to be concealed to improve safety and appearance. Although the worm (22) and the worm wheel (23) are shown in the partially enlarged view of FIG. 5, since these components have been described to the extent that those skilled in the art can easily understand by the above description, In the drawings, they are indicated by box covers and are not shown.

In the wheelchair which is a self-supporting chair according to the above-described embodiment, the armrest portion in the seated state is provided.
The standing posture assisting operation with the side support arm (9) set at a position higher than the height of (6) by an interval shorter than the length of the upper arm will be described. ) Is sandwiched, and the lifting drive motor (1
When the patient himself raises the armpit support (10) by the driving force of (9), the patient has the free end of the armrest (6) and lifts the arm for operating the lifting switch provided in this part. The side support (10) is raised by grasping the grip lever (30) by hand, and the emergency grip lever (30) is released to switch off in an emergency.

When the patient lifts the armpit support (10), the patient holds both hands holding the armrests (6) and the armpit support arm.
(9), while being supported in a stable manner by the seat (11) and the backrest (5), on which most of the weight is hung, each member is displaced in conjunction with Since (12) turns downward and comes into contact with the ground, it can be assisted by these movements to achieve a stable standing posture, and the walking training is performed with a crutch prepared separately.

When returning from the standing posture to the sitting posture, the side support arm (9) is held by the side while the foot is placed on the footrest (6), and the armrest is held by both hands.
(6) so that the weight can be hung between the surface of the seat (11) in the displaced position and the backrest (5), so that the caregiver can perform manual reverse rotation or the patient can lower the armrest (6). When the lowering switch is turned on by grasping the lever (32) with the other hand, the operation is reversed, and the patient can return to the sitting posture. In the emergency operation, as in the case described above, the operation is performed such that the lowering grip lever (32) is released and the lowering switch is turned off.

The self-standing chair according to the above-described embodiment is intended for a chair of a type that can be moved by a caregiver's hand pushing means and an electric driving means, and furthermore, assists in reversing the patient's sitting posture and standing posture. In the description above, the control by the operation of the patient has been described.

However, in the case where manual operation performed manually by a caregiver is used as an operation of the standing / seating assistance means (T), the pair of side frames are connected to each other by the width of the seat (11). A main pulley that is rotated with a manual operation handle is provided on the upper support rod (16) that secures and secures the interval (W), and the rotation is transmitted to the sub pulley by a V belt that is hung on the main pulley The second bevel gear is configured to be disengaged (automatic or manual switching) by moving the first bevel gear coaxially mounted on the sub-pulley on the elevating control shaft (21) in the axial direction. In some cases, there is provided a manual means having a configuration for meshing with the other, and in some cases, these are used in combination. Therefore, the combined use, independent, and traveling means are not limited.
(T) pivotally connects the left and right side supports (10) to the seat (11) pivotally supported by the chair body (S) so that limited movement can be performed on the chair body (S). , Crutch-shaped up and down armpit support
(10), seat (11), footrest (12), side support (10)
When the side support arm (9) rises to the armpit height position in the standing posture, the footrest (12) comes into contact with the ground, and the horizontal seat (11) moves from the rear. It is necessary that the patient's buttocks are turned upward in a diagonally upward direction and turned vertically.

The means for converting the rotary motion into the linear motion, which is adopted for the standing and seating assisting means (T), is also a nut.
It is not limited to the mechanism of (28) and the screw rod (29),
A pair of crutch-shaped armpit supports (10) with armpit support arms (9), such as pinions and racks, pins and racks, seats (1
1) and a pair of footrests (12) can provide reliable and stable assistance corresponding to the movement of the patient from the sitting posture to the standing posture and the movement of the center of gravity during the movement from the standing posture to the sitting posture. It goes without saying that any means for converting a known rotational movement to obtain a movement into a linear movement can be employed.

Further, the self-standing chair according to the above embodiment is described as a fixed-size chair that cannot be folded.
When the chair body (S) is folded in an X-shape with crossover links, the stand-up and seating assistance means (T) are provided to be biased to the left and right so as not to interfere with folding. By being able to drive, self-sustaining and subsidizing functions can be achieved.

In the above embodiment, the wheelchair as a self-standing chair has been described.
Since the stool having the configuration without the (1) and the rear wheel (2) has the same configuration, the same reference numeral is given to the stool, and it is shown in FIG. 6 and detailed description is omitted.

Further, when the front wheel (1) and the rear wheel (2) are made detachable from the support frame (3) for supporting the load weight, the support frame (3 ) Is provided with a setting leg, and after extending and supporting the setting leg so that the wheel is in a ground contact state or a state in which the wheel is slightly lifted, the operation is performed by removing each wheel so that the wheel does not exist. Although it is preferable because the wheel can be used, it is needless to say that the wheel can be used as a stool simply by locking the rolling of the wheel by ordinary means, as long as the presence of the wheel is not hindered.

Further, the operation of raising the armpit support (10) by the patient himself by the driving force of the motor (19) for raising and lowering is performed by raising and lowering the levers (30) provided on the left and right armrests (6). Although the description has been given of the case of performing with the hand grip lever (31), the uppermost and the lowermost are detected by the limit switch and switched, and there are cases where it is made to move up and down by operation with one hand. In this case, it is possible to cope with a patient with one hand that is inconvenient. In this case as well, the lifting motion is interrupted by releasing the lever in an emergency, and the lifting can be continued when the emergency is released.

[Brief description of the drawings]

FIG. 1 is a self-standing chair (wheelchair) according to an embodiment of the present invention.
FIG.

FIG. 2 is a front view of the same.

FIG. 3 is a rear view of the same.

FIG. 4 is a right side view illustrating the movement of a part of the stand-up / seating assistance means (T) of the self-standing chair according to the embodiment of the present invention.

FIG. 5 is a partial view showing an example of a structure in which a crutch-shaped side support (10) is coupled to a chair body (S) and the rotational movement is reduced to a linear movement.

FIG. 6 is a right side view of a self-standing chair (armchair) according to a second embodiment of the present invention.

[Explanation of symbols]

 (S) Chair body (T) Standing and sitting aid (W) Seat width (1) Front wheel (2) Rear wheel (3) Support frame (4) Seat support frame (5) Backrest (6) Armrest (7) Push handle (8) Support frame (9) Side support arm (10) Crutch-shaped support (10a) Support tube for linear motion (10b) Rotating shaft (11) Seat (11a) Main seat ( 11b) Auxiliary seat (12) Footrest (13) Foot support arm (15) Support board (16) Support rod (17) Battery (18) Self-propelled transmission motor (19) Elevating drive motor (20) Rear wheel shaft (21) Vertical control shaft (22) Worm (23) Worm wheel (28) Nut (29) Male screw (30) Lifting lever (31) Operating handle (32) Lowering handle Holding lever

Claims (11)

[Claims] 1. A support frame (3) for supporting a load weight, a seat support frame (4), an armrest (6) and a push handle (7).
A support frame (8) having a side support arm (9), a seat (11), a footrest (12) ) To support the reversible operation of the wheelchair user between the sitting position and the standing position by the manual or electric power of the user or the caregiver. A self-standing chair comprising a seating assistance means (T). 2. Front wheels (1) or front and rear wheels (2) for rudder
The chair frame (S) is formed by integrating a support frame (3) for supporting the load weight, a seat support frame (4), a support frame (8) having an armrest (6) and a push handle (7) by connecting means. ), A side support (10) having a side support arm (9), a backrest (5), a seat (11), and a foot support arm (13) for supporting a footrest (12). Standing / sitting assistance means (T) which is linked to assist the reversible operation between the sitting posture and the standing posture of the wheelchair user by the manual force or the electric force of the person or the caregiver, and A self-supporting chair. 3. A standing and seating assisting means (T) is a pair of crutch-shaped side supports (1) each having a side support arm (9) connected to the upper end so as to be fixed or horizontally maintained.
0) can be raised and lowered and connected to each other by a backrest (5) on the movable side, and the front end of the seat (11) is swingably and slidably supported by a seat support frame (4).
(11) Connect the rear end and attach a footrest to the free end.
The base end of the foot support arm (13) equipped with (12) and the lower end of the armpit support (10) are attached to the chair body (S) so as to swing integrally about a horizontal axis. Let the support, said armpit support (10)
The self-standing chair according to claim 1 or 2, which is means for applying a lifting operation force to the chair. 4. A crutch-shaped ascending / descending armpit support (10) having armpit support arms (9), which constitutes a standing / seating assistance means (T), a seat (11), and a footrest ( 12), when the footrest (12) is in contact with the ground, the rear end is rotated upward from horizontal to make the seat (11) in the vertical position, and the side of the armpit support (10). The self-standing chair according to claim 3, wherein the support arm (9) is interlocked so as to move upward to the armpit height position in the standing posture. 5. The means for raising and lowering the armpit support (10) is means for changing a rotary motion to a linear motion, and the chair body (S)
5. The structure according to claim 3 or 4, wherein a swinging motion with respect to the angle is allowed.
Independent chair as described. 6. A side support which changes a rotary motion to a linear motion.
The means for transmitting to (10) is a changing means composed of any combination of a screw rod and a nut, a pinion and a rack, or a pin gear and a rack, and the rotational movement transmission to the rotating side is performed by a power via a reduction mechanism. The self-supporting chair according to claim 5, which is a transmission. 7. The standing / seating assistance means (T) may be provided by one of a gas spring and a jack means using fluid pressure.
3. The self-standing chair according to claim 1, wherein the chair is a means for displacing the seat (11) and the side support (10). 8. The seat (11) has a structure in which a main seat portion (11a) and an auxiliary seat portion (11b) are hingedly connected at a folding line portion in the vehicle width direction, and the auxiliary seat portion (11b) has a side. The self-standing chair according to claim 1, 2, 3, 4, 5, 6, or 7, wherein the support (10) is connected. 9. A part of the chair body (S) which can be reached by a wheelchair user when the power source of the standing / seating assistance means (T) uses a rechargeable electric power or jack means using fluid pressure. And a control operation section provided in the control section.
4. The self-standing chair according to 4, 5, 6, 7 or 8. 10. The power source of the rear wheel (2) is one of a self-walking wheel with a hand rim, a wheel rolling by a caregiver's manual operation, and an electric wheel with drive control driven by a mounted battery. Certain claims 2, 3, 4, 5, 6,
The self-standing chair according to 7, 8, or 9. 11. A front frame (1) and a rear wheel (2) are detachable from a support frame (3) for supporting a loaded weight. Or a self-standing chair according to 10.