JP2020185210A - wheelchair - Google Patents

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JP2020185210A
JP2020185210A JP2019092095A JP2019092095A JP2020185210A JP 2020185210 A JP2020185210 A JP 2020185210A JP 2019092095 A JP2019092095 A JP 2019092095A JP 2019092095 A JP2019092095 A JP 2019092095A JP 2020185210 A JP2020185210 A JP 2020185210A
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footrest
angle position
wheelchair
support shaft
support arm
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卓生 吉田
Takuo Yoshida
卓生 吉田
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Yabuta Shoko
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Abstract

To provide a wheelchair capable of easily positioning a footrest member at a housing angle position and positioning the same at a mounting angle position.SOLUTION: A wheelchair includes: a wheelchair body 4 provided with a seat part 2; drive wheels 6 freely rotatably supported by a back part of the wheelchair body 4; auxiliary wheels 8 freely rotatably supported by the front part; and a footrest structure 20 where feet are placed. The footrest structure is provided with: left and right support arms 26, 30; left and right support axes 32, 36 provided for the left and right support arms; left and right footrest members 34, 38 freely slidably supported by left and right support shafts between a storage angle position and a mount angle position; and left and right elastic biasing members 50, 52 elastically biasing the left and right footrest members to the storage angle position around the corresponding left and right support shafts. The left and right footrest members are elastically held at the storage angle position by the left and right elastic biasing members.SELECTED DRAWING: Figure 1

Description

本発明は、足、腰などが弱くなった患者、老人、身体障害者などが利用する車椅子に関する。 The present invention relates to a wheelchair used by patients with weak legs, lower back, etc., elderly people, physically handicapped persons, and the like.

患者、老人、身体障害者などが利用する車椅子として、患者(老人、身体障害者など)を座らせた状態で手で押して移動させるものが知られている(例えば、特許文献1参照)。この車椅子は、座席部を備えた車椅子本体と、車椅子本体の後部に支持された一対の駆動車輪と、この車椅子本体の前部に支持された一対の補助車輪と、この車椅子本体の前部に設けられたフットレスト構造とを備え、この車椅子を移動させる際には、例えば車椅子本体に設けられた一対のハンドルを手で押して移動させる。また、フットレスト構造は、車椅子本体に設けられた右支持アーム及び左支持アームと、右支持アーム及び左支持アームに設けられた右支持軸及び左支持軸と、この右支持軸及び左支持軸に揺動自在に支持された右足置き部材及び左足置き部材とを有している。 As a wheelchair used by a patient, an elderly person, a physically handicapped person, etc., there is known a wheelchair in which a patient (elderly person, a physically handicapped person, etc.) is pushed and moved by hand while sitting (see, for example, Patent Document 1). This wheelchair has a wheelchair body with a seat, a pair of drive wheels supported at the rear of the wheelchair body, a pair of auxiliary wheels supported at the front of the wheelchair body, and a front part of the wheelchair body. The wheelchair is provided with a footrest structure, and when the wheelchair is moved, for example, a pair of handles provided on the wheelchair body is pushed by hand to move the wheelchair. Further, the footrest structure includes a right support arm and a left support arm provided on the wheelchair body, a right support shaft and a left support shaft provided on the right support arm and the left support arm, and the right support shaft and the left support shaft. It has a right footrest member and a left footrest member that are swingably supported.

このような車椅子では、患者(老人、身体障害者など)は車椅子本体の座席部に座って乗り、乗った後に右足置き部材及び左足置き部材を載置角度位置に位置付け、乗った状態の患者の右足及び左足を右足置き部材及び左足置き部材に載置するようになる。尚、患者が車椅子から降りるときには、右足置き部材及び左足置き部材は、載置角度位置から収納角度位置に位置付けられ、このように収納角度位置に位置付けることにより、車椅子からの乗り降りが容易となる。 In such a wheelchair, the patient (elderly, physically handicapped, etc.) sits on the seat of the wheelchair body, and after riding, the right foot rest member and the left foot rest member are positioned at the mounting angle position, and the patient in the riding state The right foot and the left foot will be placed on the right foot rest member and the left foot rest member. When the patient gets off the wheelchair, the right foot rest member and the left foot rest member are positioned from the mounting angle position to the storage angle position, and by positioning the patient at the storage angle position in this way, getting on and off from the wheelchair becomes easy.

特開平10−127687号公報Japanese Unexamined Patent Publication No. 10-1276887

しかしながら、従来の車椅子では、右足置き部材及び左足置き部材の収納角度位置から載置角度位置への揺動、また載置角度位置から収納角度位置への揺動は、看護師、介助者などが屈まって手で行っており、それ故に、これらの位置付け作業が煩雑であるとともに、右足置き部材及び左足置き部材を触る手が汚れ、衛生上好ましくないという問題がある。 However, in a conventional wheelchair, a nurse, an assistant, etc. can swing the right foot rest member and the left foot rest member from the storage angle position to the mounting angle position, and from the mounting angle position to the storage angle position. Since they are bent over and performed by hand, there is a problem that these positioning operations are complicated and the hands touching the right foot rest member and the left foot rest member become dirty, which is not preferable in terms of hygiene.

本発明の目的は、足置き部材の収納角度位置への位置付け、また載置角度位置への位置付けを容易に行うことができる車椅子を提供することである。 An object of the present invention is to provide a wheelchair capable of easily positioning the footrest member at a storage angle position and at a mounting angle position.

本発明の請求項1に記載の車椅子は、座席部が設けられた車椅子本体と、前記車椅子本体の後部に回転自在に支持された駆動車輪と、前記車椅子本体の前部に回転自在に支持された補助車輪と、前記車椅子本体の前部に設けられたフットレスト構造と、を備えた車椅子において、
前記フットレスト構造は、前記車椅子本体から下方に延びる支持アームと、前記支持アームに設けられた支持軸と、前記支持軸に収納角度位置と載置角度位置との間を揺動自在支持された足置き部材と、前記足置き部材を前記支持軸を中心として前記収納角度位置に向けて弾性的に偏倚する弾性偏倚部材とを備え、前記足置き部材は、前記弾性偏倚部材の作用によって前記収納角度位置に弾性的に保持されることを特徴とする。
The wheelchair according to claim 1 of the present invention is a wheelchair body provided with a seat portion, a drive wheel rotatably supported at the rear portion of the wheelchair body, and rotatably supported at the front portion of the wheelchair body. In a wheelchair provided with an auxiliary wheel and a footrest structure provided at the front of the wheelchair body.
The footrest structure includes a support arm extending downward from the wheelchair body, a support shaft provided on the support arm, and a foot swingably supported by the support shaft between a storage angle position and a mounting angle position. The footrest member includes an elastic deviation member that elastically deflects the footrest member toward the storage angle position about the support shaft, and the footrest member has the storage angle due to the action of the elastic deviation member. It is characterized by being elastically held in position.

また、本発明の請求項2に記載の車椅子では、前記フットレスト構造は、前記車椅子本体の右側部及び左側部から下方に延びる右支持アーム及び左支持アームと、前記右支持アーム及び前記左支持アームに設けられた右支持軸及び左支持軸と、前記右支持軸及び前記右支持軸に前記収納角度位置と前記載置角度位置との間を揺動自在に支持された右足置き部材及び左足置き部材と、前記右足置き部材及び前記左足置き部材を前記収納角度位置に向けて弾性的に偏倚する右弾性偏倚部材及び左弾性偏倚部材と、を備えていることを特徴とする。 Further, in the wheelchair according to claim 2 of the present invention, the footrest structure includes a right support arm and a left support arm extending downward from the right side portion and the left side portion of the wheelchair body, and the right support arm and the left support arm. A right footrest member and a left footrest that are swingably supported between the right support shaft and the left support shaft provided in the above, and the storage angle position and the above-mentioned mounting angle position on the right support shaft and the right support shaft. It is characterized by including a member, a right elastic deviating member and a left elastic deviating member that elastically deviate the right foot resting member and the left foot resting member toward the storage angle position.

また、本発明の請求項3に記載の車椅子では、前記右弾性偏倚部材は右ねじりコイルばねから構成され、前記右ねじりコイルばねの一端側は、前記右支持軸に取り付けられた右スリーブ部材に装着され、その他端側は、前記右足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されており、また前記左弾性偏倚部材は左ねじりコイルばねから構成され、前記左ねじりコイルばねの一端側は、前記左支持軸に取り付けられた左スリーブ部材に装着され、その他端側は、前記左足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されていることを特徴とする。 Further, in the wheelchair according to claim 3 of the present invention, the right elastic deviating member is composed of a right-hand torsion coil spring, and one end side of the right-hand torsion coil spring is attached to the right sleeve member attached to the right support shaft. The other end side is configured to act on the right foot rest member to elastically deviate toward the storage angle position, and the left elastic deviating member is composed of a left torsion coil spring. One end side of the left torsion coil spring is attached to the left sleeve member attached to the left support shaft, and the other end side acts on the left footrest member to elastically deviate toward the storage angle position. It is characterized in that it is configured as follows.

また、本発明の請求項4に記載の車椅子では、前記右足置き部材の両側部に一対の右ねじりコイルばねが設けられ、前記一対の右ねじりコイルばねの外側に一対の右スリーブ部材が設けられ、前記一対の右ねじりコイルばねの一端側は、対応する右スリーブ部材に装着され、それらの他端側は、前記右足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されており、また前記左足置き部材の両側部に一対の左ねじりコイルばねが設けられ、前記一対の左ねじりコイルばねの外側に一対の左スリーブ部材が設けられ、前記一対の左ねじりコイルばねの一端側は、対応する左スリーブ部材に装着され、それらの他端側は、前記左足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されていることを特徴とする。 Further, in the wheelchair according to claim 4 of the present invention, a pair of right torsion coil springs are provided on both side portions of the right foot rest member, and a pair of right sleeve members are provided outside the pair of right torsion coil springs. One end side of the pair of right torsion coil springs is attached to the corresponding right sleeve member, and the other end side thereof acts on the right foot rest member to elastically deviate toward the storage angle position. A pair of left torsion coil springs are provided on both sides of the left foot rest member, and a pair of left sleeve members are provided on the outside of the pair of left torsion coil springs, and the pair of left torsion coils are provided. One end side of the spring is attached to the corresponding left sleeve member, and the other end side thereof is configured to act on the left foot rest member and elastically deviate toward the storage angle position. It is a feature.

更に、本発明の請求項5に記載の車椅子では、前記右足置き部材の基部には後側に突出する右後突出部が設けられ、前記右後突出部が前記右支持軸に揺動自在に支持され、前記載置角度位置まで揺動すると、前記右足置き部材の後端面が前記右支持アームに当接し、前記収納角度位置まで揺動すると、前記右足置き部材の載置面が前記右支持アームに当接し、また前記左足置き部材の基部には後側に突出する左後突出部が設けられ、前記左後突出部が前記左支持軸に揺動自在に支持され、前記載置角度位置まで揺動すると、前記左足置き部材の後端面が前記左支持アームに当接し、前記収納角度位置まで揺動すると、前記左足置き部材の載置面が前記左支持アームに当接することを特徴とする。 Further, in the wheelchair according to claim 5 of the present invention, the right rear protruding portion is provided at the base of the right foot rest member so as to project rearwardly, and the right rear protruding portion swings freely on the right support shaft. When it is supported and swings to the above-mentioned mounting angle position, the rear end surface of the right footrest member abuts on the right support arm, and when it swings to the storage angle position, the mounting surface of the right footrest member supports the right foot. A left rear projecting portion that abuts on the arm and projects to the rear side is provided at the base of the left foot rest member, and the left rear projecting portion is swingably supported by the left support shaft, and is supported at the above-mentioned mounting angle position. When swinging to, the rear end surface of the left footrest member comes into contact with the left support arm, and when swinging to the storage angle position, the mounting surface of the left footrest member comes into contact with the left support arm. To do.

本発明の請求項1に記載の車椅子によれば、車椅子本体のフットレスト構造は、車椅子本体から下方に延びる支持アームと、支持アームに設けられた支持軸と、支持軸に揺動自在支持された足置き部材と、この足置き部材を弾性的に偏倚する弾性偏倚部材とを備え、この弾性偏倚部材は、足置き部材を収納角度位置に向けて弾性的に偏倚するので、車椅子本体に乗っていないときには、この足置き部材が弾性偏倚部材の作用によって収納角度位置に保持され、これによって、車椅子本体への乗り降りが容易となる。また、足置き部材に足を載せるときには、車椅子本体の座席部に座った状態において足で足置き部材を押して載置角度位置まで揺動すればよく、足の力を利用して簡単に載置角度位置に移動させることができる。更に、収納角度位置への位置付け、また載置角度位置への位置付けは、介護者、看護師などが手でもって行う必要がなく、これにより、手の汚れを気にせず衛生的に行うことができる。 According to the wheelchair according to claim 1 of the present invention, the footrest structure of the wheelchair body is swingably supported by a support arm extending downward from the wheelchair body, a support shaft provided on the support arm, and a support shaft. It is provided with a footrest member and an elastic deviating member that elastically deviates the footrest member, and the elastic deviating member elastically deviates the footrest member toward the storage angle position, so that the wheelchair body is used. When not present, the footrest member is held in the stowed angle position by the action of the elastic deviating member, which facilitates getting on and off the wheelchair body. In addition, when placing the foot on the footrest member, the footrest member may be pushed with the foot while sitting on the seat of the wheelchair body to swing to the mounting angle position, and the foot resting member can be easily placed by using the force of the foot. It can be moved to an angular position. Furthermore, the position at the storage angle position and the position at the mounting angle position do not need to be performed by the caregiver, nurse, etc. by hand, so that the position can be performed hygienically without worrying about the dirt on the hands. it can.

また、本発明の請求項2に記載の車椅子によれば、フットレスト構造は、車椅子本体から下方に延びる右支持アーム及び左支持アームと、右支持アーム及び左支持アームに設けられた右支持軸及び左支持軸に揺動自在に支持された右足置き部材及び左足置き部材と、右足置き部材及び左足置き部材を収納角度位置に向けて弾性的に偏倚する右弾性偏倚部材及び左弾性偏倚部材とを備えているので、右足置き部材及び左足置き部材から右足及び左足を下ろしたときには、右足置き部材及び左置き部材が右弾性偏倚部材及び左弾性偏倚部材により載置角度位置から収納角度位置に位置付けられ、これにより、車椅子本体への乗り降りが容易となる。 Further, according to the wheelchair according to claim 2 of the present invention, the footrest structure includes a right support arm and a left support arm extending downward from the wheelchair body, and a right support shaft and a right support shaft provided on the right support arm and the left support arm. The right footrest member and the left footrest member swingably supported on the left support shaft, and the right elastic deviator member and the left elastic deviator member that elastically deviate the right footrest member and the left footrest member toward the storage angle position. Therefore, when the right foot and the left foot are lowered from the right foot resting member and the left foot resting member, the right foot resting member and the left foot resting member are positioned from the mounting angle position to the storage angle position by the right elastic deviating member and the left elastic deviating member. This makes it easy to get on and off the wheelchair body.

また、本発明の請求項3に記載の車椅子によれば、右弾性偏倚部材は右ねじりコイルばねから構成され、右ねじりコイルばねの一端側は、右支持軸に取り付けられた右スリーブ部材に装着され、その他端側が右足置き部材に作用するので、この右ねじりコイルばねの弾性作用によって、右足置き部材を収納角度位置に向けて偏倚させることができる。また、左弾性偏倚部材は左ねじりコイルばねから構成され、左ねじりコイルばねの一端側は、左支持軸に取り付けられた左スリーブ部材に装着され、その他端側が左足置き部材に作用するので、この左ねじりコイルばねの弾性作用によって、左足置き部材を収納角度位置に向けて偏倚させることができる。 Further, according to the third aspect of the present invention, the right elastic deviating member is composed of a right torsion coil spring, and one end side of the right torsion coil spring is attached to a right sleeve member attached to a right support shaft. Since the other end side acts on the right footrest member, the right footrest member can be deflected toward the storage angle position by the elastic action of the right torsion coil spring. Further, the left elastic deviating member is composed of a left torsion coil spring, one end side of the left torsion coil spring is attached to the left sleeve member attached to the left support shaft, and the other end side acts on the left footrest member. Due to the elastic action of the left torsion coil spring, the left footrest member can be deflected toward the storage angle position.

また、本発明の請求項4に記載の車椅子によれば、右足置き部材の両側部に一対の右ねじりコイルばねが設けられ、一対の右ねじりコイルばねの一端側は、対応する右スリーブ部材に装着され、それらの他端側が右足置き部材に作用するので、一対の右ねじりコイルばねの弾性作用によって、右足置き部材を収納角度位置に向けて確実に偏倚させることができる。また、左足置き部材の両側部に一対の左ねじりコイルばねが設けられ、一対の左ねじりコイルばねの一端側は、対応する左スリーブ部材に装着され、それらの他端側が左足置き部材に作用するので、一対の左ねじりコイルばねの弾性作用によって、左足置き部材を収納角度位置に向けて確実に偏倚させることができる。 Further, according to the wheelchair according to claim 4 of the present invention, a pair of right torsion coil springs are provided on both sides of the right foot rest member, and one end side of the pair of right torsion coil springs is attached to the corresponding right sleeve member. Since they are mounted and the other end side acts on the right footrest member, the right footrest member can be reliably deviated toward the storage angle position by the elastic action of the pair of right torsion coil springs. Further, a pair of left torsion coil springs are provided on both sides of the left footrest member, one end side of the pair of left torsion coil springs is attached to the corresponding left sleeve member, and the other end side thereof acts on the left footrest member. Therefore, the elastic action of the pair of left torsion coil springs makes it possible to reliably deviate the left footrest member toward the storage angle position.

更に、本発明の請求項5に記載の車椅子によれば、右足置き部材を載置角度位置まで揺動すると、この右足置き部材の後端面が右支持アームに当接するので、この載置角度位置を越える揺動が阻止され、また収納角度位置まで揺動すると、右足置き部材の載置面が右支持アームに当接するので、この収納角度位置を越える揺動が阻止される。また、左足置き部材を載置角度位置まで揺動すると、この左足置き部材の後端面が左支持アームに当接するので、この載置角度位置を越える揺動が阻止され、また収納角度位置まで揺動すると、左足置き部材の載置面が左支持アームに当接するので、この収納角度位置を越える揺動が阻止される。 Further, according to the wheelchair according to claim 5 of the present invention, when the right footrest member is swung to the mounting angle position, the rear end surface of the right footrest member comes into contact with the right support arm, so that the mounting angle position When the vehicle swings to the storage angle position, the mounting surface of the right footrest member comes into contact with the right support arm, so that the rocking beyond the storage angle position is prevented. Further, when the left footrest member swings to the mounting angle position, the rear end surface of the left footrest member abuts on the left support arm, so that the swinging beyond the mounting angle position is prevented and the left footrest member swings to the storage angle position. When moved, the mounting surface of the left foot rest member comes into contact with the left support arm, so that swinging beyond this storage angle position is prevented.

本発明に従う車椅子の一実施形態を示す斜視図。The perspective view which shows one Embodiment of the wheelchair according to this invention. 図1の車椅子におけるフットレスト機構の一部を示す部分断面図。FIG. 1 is a partial cross-sectional view showing a part of the footrest mechanism in the wheelchair of FIG. 図1の車椅子における右足置き部材の揺動を説明するための部分側面図。The partial side view for demonstrating the swing of the right foot rest member in the wheelchair of FIG. 変形形態のフットレスト機構の一部を示す部分断面図。Partial sectional view showing a part of a footrest mechanism of a deformed form. 他の変形形態のフットレスト機構を備えた車椅子を示す斜視図。A perspective view showing a wheelchair with other variants of the footrest mechanism.

以下、添付図面を参照して、本発明に従う車椅子の一実施形態について説明する。図1において、図示の車椅子1は、患者(老人、身体障害者など)が座って乗るための座席部2が設けられた車椅子本体4を備え、この車椅子本体4の後部に一対の駆動車輪6が回転自在に支持され、その前部に一対の補助車輪8が回転自在に支持されている。 Hereinafter, an embodiment of a wheelchair according to the present invention will be described with reference to the accompanying drawings. In FIG. 1, the illustrated wheelchair 1 includes a wheelchair body 4 provided with a seat portion 2 for a patient (elderly person, a physically handicapped person, etc.) to sit on and ride, and a pair of drive wheels 6 are provided at the rear portion of the wheelchair body 4. Is rotatably supported, and a pair of auxiliary wheels 8 are rotatably supported at the front portion thereof.

この実施形態では、車椅子1は手動で走行する形態のものであり、このことに関連して、各駆動車輪6に対応してその外側に駆動リング10(図1において、左側の駆動車輪10に設けられたもののみを示す)が設けられ、この駆動リング10が対応する駆動車輪6と一体的に回動するように連結されている。従って、座席部2に座って一対の駆動リング10を前進方向(又は後進方向)に手で回動させると、かかる一対の駆動リング10と一体的に一対の駆動車輪6が前進方向(又は後進方向)に回動し、これにより、車椅子1が前進(又は後進)する。 In this embodiment, the wheelchair 1 is of a form in which the wheelchair 1 is manually traveled, and in connection with this, a drive ring 10 (in FIG. 1, on the left drive wheel 10 on the left side) corresponds to each drive wheel 6 (Show only those provided) are provided, and the drive ring 10 is connected so as to rotate integrally with the corresponding drive wheel 6. Therefore, when the pair of drive rings 10 are manually rotated in the forward direction (or the reverse direction) while sitting on the seat portion 2, the pair of drive wheels 6 integrally with the pair of drive rings 10 move forward (or backward). Orientation), which causes the wheelchair 1 to move forward (or backward).

この車椅子本体4の後端部の両側部には一対のハンドル12が設けられ、一対のハンドル12は、上方に延びた後に後方に延びており、これら一対のハンドル12を握って車椅子1を押して前進移動させる(又は引いて後進移動させる)。これらハンドル12には、車椅子1を制動させるためのブレーキレバー14が設けられている。 A pair of handles 12 are provided on both sides of the rear end portion of the wheelchair body 4, and the pair of handles 12 extend upward and then backward, and the wheelchair 1 is pushed by grasping the pair of handles 12. Move forward (or pull to move backward). The handles 12 are provided with a brake lever 14 for braking the wheelchair 1.

この車椅子本体4には、一対の駆動車輪6に対応してブレーキ機構14が設けられている。ブレーキ機構14は、ブレーキ操作するための制動レバー16と、駆動車輪6を制動するための制動部材18(左側の駆動車輪6に対応するもののみ示す)とを備え、制動レバー16をブレーキ操作すると、制動部材18が駆動車輪6の外周面に圧接されてブレーキ力が作用する。 The wheelchair body 4 is provided with a brake mechanism 14 corresponding to a pair of drive wheels 6. The brake mechanism 14 includes a braking lever 16 for operating the brake and a braking member 18 for braking the driving wheel 6 (only those corresponding to the driving wheel 6 on the left side are shown), and when the braking lever 16 is operated by braking. , The braking member 18 is pressed against the outer peripheral surface of the drive wheel 6 and a braking force acts.

この車椅子本体4の前部には、座席部2に座って乗った患者(老人、身体障害者など)が足を置くためのフットレスト構造20が設けられている。図1とともに図2及び図3を参照して、図示のフットレスト構造20は、車椅子本体4の本体フレーム構造22の右横中間部材24に設けられた右支持アーム26と、この本体フレーム構造22の左横中間部材28に設けられた左支持アーム30とを備え、この右支持アーム26及び左支持アーム30は右横中間部材24及び左横中間部材28の前端部から斜め下方に延びている。右支持アーム26及び左支持アーム30は、図示の実施形態のように右中間横部材24及び左横中間部材28と一体的に設けることができるが、例えば溶接などにより満ち横中間部材24及び左横中間部材28に固定するようにしてもよい。 A footrest structure 20 is provided on the front portion of the wheelchair body 4 for a patient (elderly person, a physically handicapped person, etc.) sitting on the seat portion 2 to put his / her feet on. With reference to FIGS. 2 and 3 together with FIG. 1, the illustrated footrest structure 20 includes a right support arm 26 provided on the right lateral intermediate member 24 of the main body frame structure 22 of the wheelchair main body 4 and the main body frame structure 22. A left support arm 30 provided on the left lateral intermediate member 28 is provided, and the right support arm 26 and the left support arm 30 extend obliquely downward from the front end portions of the right lateral intermediate member 24 and the left lateral intermediate member 28. The right support arm 26 and the left support arm 30 can be provided integrally with the right intermediate lateral member 24 and the left lateral intermediate member 28 as in the illustrated embodiment, but the lateral intermediate member 24 and the left are filled by welding, for example. It may be fixed to the horizontal intermediate member 28.

この実施形態では、右支持アーム26の下端部には内側に延びる右支持軸32が設けられ、この右支持軸32に右足置き部材34が揺動自在に支持されている。また、左支持アーム30の下端部には内側に(即ち、右支持軸32に向けて)延びる左支持軸36が設けられ、この左支持軸36に左足置き部材38が揺動自在に支持されている。このように構成されているので、右足置き部材34及び左足置き部材38は、横方向に延びる右支持軸32及び左支持軸36(これらが横方向に延びる揺動軸線を構成する)を中心として前後方向に揺動自在に支持されている。尚、右支持軸32及び左支持軸36は、右支持アーム26及び左支持アーム30に例えば溶接により固定される。 In this embodiment, a right support shaft 32 extending inward is provided at the lower end of the right support arm 26, and the right foot rest member 34 is swingably supported by the right support shaft 32. Further, a left support shaft 36 extending inward (that is, toward the right support shaft 32) is provided at the lower end of the left support arm 30, and the left footrest member 38 is swingably supported by the left support shaft 36. ing. Since it is configured in this way, the right footrest member 34 and the left footrest member 38 are centered on the right support shaft 32 and the left support shaft 36 extending in the lateral direction (these form a swing axis extending in the lateral direction). It is supported so that it can swing in the front-back direction. The right support shaft 32 and the left support shaft 36 are fixed to the right support arm 26 and the left support arm 30 by welding, for example.

右支持軸32への右足置き部材34の支持構造40と左支持軸36への左足置き部材38の支持構造42とは、左右対称に構成されており、以下、片方の右足置き部材34(左足置き部材38)の支持構造40(42)について説明する。 The support structure 40 of the right foot rest member 34 on the right support shaft 32 and the support structure 42 of the left foot rest member 38 on the left support shaft 36 are symmetrically configured, and hereinafter, one right foot rest member 34 (left foot). The support structure 40 (42) of the placing member 38) will be described.

主として図2及び図3を参照して、この実施形態では、右足置き部材34(左足置き部材38)は、足を置きための右足置き本体部44(左足置き本体部)を備えている。このように右足置き本体部44(左足置き本体部)の基部側には、後端側に突出する一対の右後突出部46(左後突出部)が設けられ、かかる一対の右後突出部46(左後突出部)の上突部が右支持軸32(左支持軸36)に揺動自在に支持されている。このように右足置き本体部44(左足置き本体部)が右後突出部46(左後突出部)を介して支持されているので、右足置き本体部44(左足置き本体部)の両側後端部には、略矩形状の空間48,49が存在し、一方の空間48内に右ねじりコイルばね54(左ねじりコイルばね)が配設され、他方の空間49内に右支持アーム26は(左支持アーム30)が位置するように構成されている。 Mainly referring to FIGS. 2 and 3, in this embodiment, the right foot rest member 34 (left foot rest member 38) includes a right foot rest main body 44 (left foot rest main body) for placing a foot. As described above, a pair of right rear protrusions 46 (left rear protrusions) protruding toward the rear end side are provided on the base side of the right footrest main body 44 (left footrest main body), and the pair of right rear protrusions 46. The upper protrusion of 46 (left rear protrusion) is swingably supported by the right support shaft 32 (left support shaft 36). Since the right footrest main body 44 (left footrest main body) is supported via the right rear protrusion 46 (left rear protrusion) in this way, both rear ends of the right footrest main body 44 (left footrest main body) There are substantially rectangular spaces 48 and 49 in the portion, a right-handed torsion coil spring 54 (left-handed torsion coil spring) is arranged in one space 48, and a right support arm 26 is placed in the other space 49. The left support arm 30) is configured to be located.

このように構成されているので、右足置き本体部44(左足置き本体部)を矢印51(図3)で示す収納方向に揺動すると、図2及び図3に示すように、右足置き本体部44(左足置き本体部)の載置面(足を載置する面)側の先端部が右支持アーム26(左支持アーム30)に当接する収納角度位置(図2に示すとともに、図3に実線で示す角度位置)に位置付けられる。この収納角度位置においては、右足置き本体部44(左足置き本体部)は右支持アーム26(左支持アーム30)に沿って上方に傾斜して延び、右支持アーム26(左支持アーム30)によりこの収納角度位置を越える回動が阻止される。 Since it is configured in this way, when the right footrest main body 44 (left footrest main body) is swung in the storage direction indicated by the arrow 51 (FIG. 3), the right footrest main body is as shown in FIGS. 2 and 3. The storage angle position (shown in FIG. 2 and in FIG. 3) at which the tip of 44 (left footrest main body) on the mounting surface (plane on which the foot is mounted) abuts on the right support arm 26 (left support arm 30). It is positioned at the angle position shown by the solid line). At this storage angle position, the right footrest main body 44 (left footrest main body) extends upward along the right support arm 26 (left support arm 30) and is extended by the right support arm 26 (left support arm 30). Rotation beyond this storage angle position is prevented.

また、この右足置き部材34(左足置き部材38)を矢印54(図3)で示す載置方向に揺動すると、図3に一点鎖線で示すように、右足置き本体部44(左足置き本体部)の右足置き本体部44の後面が右支持アーム26(左支持アーム30)に当接して載置角度位置(図3に一点鎖線で示す角度位置)に位置付けられる。この載置角度位置においては、右足置き本体部44(左足置き本体部)は略水平に延び、右支持アーム26(左支持アーム30)によりこの載置角度位置を越える回動が阻止される。 Further, when the right footrest member 34 (left footrest member 38) is swung in the mounting direction indicated by the arrow 54 (FIG. 3), the right footrest main body 44 (left footrest main body 44) is shown by the alternate long and short dash line in FIG. ), The rear surface of the right footrest main body 44 abuts on the right support arm 26 (left support arm 30) and is positioned at the mounting angle position (angle position shown by the alternate long and short dash line in FIG. 3). At this mounting angle position, the right footrest main body 44 (left footrest main body) extends substantially horizontally, and the right support arm 26 (left support arm 30) prevents rotation beyond this mounting angle position.

この実施形態では、更に、右足置き部材34(左足置き部材38)に関連して、右弾性偏倚部材50(左弾性偏倚部材52)が設けられている。右弾性偏倚部材50(左弾性偏倚部材52)は、例えば、右ねじりコイルばね54(左ねじりコイルばね)から構成される。右支持軸32(左支持軸36)の先端部には、例えば固定用ねじ(図示せず)により右スリーブ部材56(左スリーブ部材)が取り付けられ、右ねじりコイルばね54(左ねじりコイルばね)の一端部58が右スリーブ部材56(左スリーブ部材)の取付孔60に挿入固定され、その他端部62が右足置き部材34(左足置き部材38)の裏面(載置面と反対側の面)に当接している。この他端部62については、右足置き部材34(左足置き部材38)から外れないようにこれに取り付けるようにしてもよい。 In this embodiment, a right elastic deviating member 50 (left elastic deviating member 52) is further provided in connection with the right foot resting member 34 (left foot resting member 38). The right elastic deviating member 50 (left elastic deviating member 52) is composed of, for example, a right-handed torsion coil spring 54 (left-handed torsion coil spring). A right sleeve member 56 (left sleeve member) is attached to the tip of the right support shaft 32 (left support shaft 36) by, for example, a fixing screw (not shown), and a right torsion coil spring 54 (left torsion coil spring). One end 58 is inserted and fixed in the mounting hole 60 of the right sleeve member 56 (left sleeve member), and the other end 62 is the back surface (the surface opposite to the mounting surface) of the right foot rest member 34 (left foot rest member 38). Is in contact with. The other end 62 may be attached to the right foot rest member 34 (left foot rest member 38) so as not to come off.

この右弾性偏倚部材50(左弾性偏倚部材52)は、右足置き部材34(左足置き部材38)に作用してこれを矢印51(図3)で示す収納方向(即ち、収納角度位置に向けて)に弾性的に偏倚し、従って、この右足置き部材34(左足置き部材38)は右弾性偏倚部材50(左弾性偏倚部材52)により上記収納角度位置に弾性的に保持される。 The right elastic deviating member 50 (left elastic deviating member 52) acts on the right foot resting member 34 (left foot resting member 38) and directs it toward the storage direction (that is, the storage angle position) indicated by the arrow 51 (FIG. 3). ), Therefore, the right foot resting member 34 (left foot resting member 38) is elastically held at the storage angle position by the right elastic deviating member 50 (left elastic deviating member 52).

次に、上述した車椅子1の使用方法について説明する。この車椅子1を用いるには、患者(老人、身体障害者など)を車椅子本体4の座席部2に座らせ、座った状態の患者が右足でもって右足置き部材34を矢印54で示す方向に揺動させて載置角度位置に位置付けるとともに、左足でもって左足置き部材38を揺動させて載置角度位置に位置付け、かく載置角度位置に位置付けた右足置き部材34及び左足置き部材38に右足及び左足を載せればよい。 Next, the method of using the wheelchair 1 described above will be described. In order to use this wheelchair 1, a patient (elderly person, a physically handicapped person, etc.) is made to sit on the seat portion 2 of the wheelchair body 4, and the sitting patient swings the right foot rest member 34 with his right foot in the direction indicated by the arrow 54. The left foot resting member 38 is swung with the left foot to be positioned at the mounting angle position, and the right foot resting member 34 and the left foot resting member 38 are positioned at the mounting angle position. Just put your left foot on it.

この車椅子1を使用するときには、右弾性偏倚部材50及び左弾性偏倚部材52により右足置き部材34及び左足置き部材38が収納角度位置に保持されているので、この車椅子本体4に乗る際に、右足置き部材34及び左足置き部材38が邪魔にならず、車椅子本体4の座席部2に容易に座ることができる。そして、車椅子本体4の座席部2に座った後は、左右の足でもって右足置き部材34及び左足置き部材38を矢印54で示す方向に揺動させて載置角度位置に位置付ければよく、看護師(介護者など)が右足置き部材34及び左足置き部材38を手でもって収納角度位置から載置角度位置に位置付けることなく、座った患者の足を利用して容易に載置角度位置に位置付けることができる。 When the wheelchair 1 is used, the right foot resting member 34 and the left foot resting member 38 are held at the storage angle position by the right elastic deviating member 50 and the left elastic deviating member 52. Therefore, when riding on the wheelchair body 4, the right foot is held. The resting member 34 and the left foot resting member 38 do not get in the way and can easily sit on the seat portion 2 of the wheelchair body 4. Then, after sitting on the seat portion 2 of the wheelchair body 4, the right foot rest member 34 and the left foot rest member 38 may be swung in the direction indicated by the arrow 54 with the left and right feet to be positioned at the mounting angle position. A nurse (caregiver, etc.) does not have to manually position the right foot rest member 34 and the left foot rest member 38 from the storage angle position to the mounting angle position, but easily uses the seated patient's foot to move to the mounting angle position. Can be positioned.

尚、この車椅子本体4の座席部2から降りたときには、右足置き部材34及び左足置き部材38は、右弾性偏倚部材50及び左弾性偏倚部材52により収納角度位置に保持されるので、看護師(介護者など)が手でもって載置角度位置から収納角度位置に位置付けることなく、右弾性偏倚部材50及び左弾性偏倚部材52の弾性作用を利用して収納角度位置に位置付けることができる。 When getting off from the seat portion 2 of the wheelchair body 4, the right foot rest member 34 and the left foot rest member 38 are held at the storage angle position by the right elastic deviating member 50 and the left elastic deviating member 52, so that the nurse ( It can be positioned at the storage angle position by utilizing the elastic action of the right elastic deviation member 50 and the left elastic deviation member 52 without being manually positioned from the mounting angle position to the storage angle position by a caregiver or the like.

このような車椅子1では、上述したように、右足置き部材34及び左足置き部材38の載置角度位置への位置付け、またそれらの収納角度位置への位置付けを、看護師、介護者などの手を煩わすことなく行うことができるので、看護師、介護者などにとって優しく、使い勝手のよいものとして提供することができる。 In such a wheelchair 1, as described above, the positions of the right footrest member 34 and the left footrest member 38 at the mounting angle position and their storage angle positions are determined by the hands of a nurse, a caregiver, or the like. Since it can be performed without bothering, it can be provided as a kind and easy-to-use one for nurses, caregivers, and the like.

このフットレスト機構については、図4に示すように構成するようにしてもよく、図4においては、右足置き部材及びそれに関連する構成について示しているが、左足置き部材及びそれに関連する構成については、上述したと同様に、右足置き部材及びそれに関連する構成と左右対称に構成される。尚、図4において、図1〜図3の実施形態と実質上同一の部材には同一の参照番号を付し、その説明を省略する。 The footrest mechanism may be configured as shown in FIG. 4, and FIG. 4 shows the right footrest member and its related configuration, but the left footrest member and its related configuration are shown. Similar to the above, the right footrest member and related configurations are symmetrical. In FIG. 4, substantially the same members as those in the embodiments of FIGS. 1 to 3 are designated by the same reference numbers, and the description thereof will be omitted.

図4において、この変形形態のフットレスト構造20Aにおいては、右足置き部材34A(左足置き部材)の右足置き本体部44A(左足置き本体部)の両側部、具体的には一対の右後突出部46A(左後突出部)の外側に、右弾性偏倚部材52A(左弾性偏倚部材)を構成する一対の右ねじりコイルばね54A,55A(左ねじりコイルばね)が配設され、これら一対の右ねじりコイルばね54A,55A(左ねじりコイルばね)の外側に一対の右スリーブ部材56A,57A(左スリーブ部材)が配設されている。一対の右スリーブ部材56A,57A(左スリーブ部材)は、例えば固定用ねじなどにより右支持軸32(左支持軸)に固定され、一対の右ねじりコイルばね54A,55A(左ねじりコイルばね)の一端側58A,59Aは、対応する右スリーブ部材56A,57A(左スリーブ部材)の取付孔60A,61Aに挿入することにより取り付けられ、それらの他端側62A,63Aは、右足置き本体部44A(左足置き本体部)の裏面に当接して作用している。 In FIG. 4, in the footrest structure 20A of this modified form, both side portions of the right footrest body portion 44A (left footrest body portion) of the right footrest member 34A (left footrest member), specifically, a pair of right rear protruding portions 46A. A pair of right-handed torsion coil springs 54A and 55A (left-handed torsion coil springs) constituting the right-right elastic deviating member 52A (left-handed elastic deviating member) are arranged outside the (left rear protruding portion), and these pair of right-handed torsion coils. A pair of right sleeve members 56A and 57A (left sleeve members) are arranged outside the springs 54A and 55A (left torsion coil springs). The pair of right sleeve members 56A and 57A (left sleeve members) are fixed to the right support shaft 32 (left support shaft) by, for example, a fixing screw, and the pair of right twist coil springs 54A and 55A (left twist coil springs) The one end sides 58A and 59A are attached by inserting them into the mounting holes 60A and 61A of the corresponding right sleeve members 56A and 57A (left sleeve members), and the other end sides 62A and 63A thereof are the right footrest main body 44A ( It works by contacting the back surface of the left footrest body).

これら一対の右ねじりコイルばね54A,55A(左ねじりコイルばね)は、右足置き本体部44A(左足置き本体部)に作用して収納角度位置に向けて弾性的に偏倚し、上述した実施形態と同様に、この右足置き本体部44A(左足置き本体部)は、その載置面が右支持アーム26(左支持アーム)に当接することにより、この収納角度位置に弾性的に保持される。尚、この右足置き本体部44A(左足置き本体部)は、上述した実施形態と同様に、その後端面が右支持アーム26(左支持アーム)に当接することにより、載置角度位置に保持される。 These pair of right-handed torsion coil springs 54A and 55A (left-handed torsion coil springs) act on the right footrest main body 44A (left footrest main body) and elastically deviate toward the storage angle position, and the same as the above-described embodiment. Similarly, the right footrest main body 44A (left footrest main body) is elastically held at this storage angle position when its mounting surface abuts on the right support arm 26 (left support arm). The right footrest main body 44A (left footrest main body) is held at the mounting angle position when its rear end surface abuts on the right support arm 26 (left support arm), as in the above-described embodiment. ..

この変形形態のフットレスト機構20Aでは、右足置き本体部44A(左足置き本体部)の両側部に右ねじりコイルばね54A,55A(左ねじりコイルばね)が配設されているので、これら右ねじりコイルばね54A,55A(左ねじりコイルばね)からの弾性偏倚力が右足置き本体部44A(左足置き本体部)の両側部に作用し、これにより右足置き本体部44A(左足置き本体部)が収納角度位置に向けてして安定的に揺動される。 In this modified form of the footrest mechanism 20A, right-hand torsion coil springs 54A and 55A (left-hand torsion coil springs) are arranged on both sides of the right footrest main body 44A (left footrest main body). Elastic deflection force from 54A and 55A (left torsion coil spring) acts on both sides of the right footrest body 44A (left footrest body), which causes the right footrest body 44A (left footrest body) to be stored at an angle position. It is swayed stably toward.

フットレスト機構については、図5に示すように構成するようにしてもよい。図5において、図示の車椅子1Bに装備されたフットレスト構造20Bにおいては、右支持軸32Bが右支持アーム26Bの下端部から前方に延び、この右支持軸32Bに右足置き部材34Bが横方向に揺動自在に支持されており、また左支持軸36Bが左支持アーム30Bの下端部から前方に延び、この左支持軸36Bに左足置き部材38Bが横方向に揺動自在に支持されている。 The footrest mechanism may be configured as shown in FIG. In FIG. 5, in the footrest structure 20B mounted on the illustrated wheelchair 1B, the right support shaft 32B extends forward from the lower end of the right support arm 26B, and the right foot rest member 34B swings laterally on the right support shaft 32B. The left support shaft 36B is movably supported, and the left support shaft 36B extends forward from the lower end of the left support arm 30B, and the left footrest member 38B is swayably supported on the left support shaft 36B in the lateral direction.

右足置き部材34B及び左足置き部材38Bの右支持軸32B及び左支持軸36Bへの支持構造40B,42Bは、図1〜図3に示す実施形態と同様であり、以下右足置き部材34B(左足置き部材38B)の支持構造40B(42B)について概説する。右足置き部材34B(左足置き部材38B)の右足置き本体部44B(左足置き本体部)には一対の右後突出部46B(左後突出部)が設けられ、かかる右後突出部46Bが右支持軸32B(左支持軸36B)に揺動自在に支持されている。この右支持軸32B(左支持軸36B)の先端部には右スリーブ部材56B(左スリーブ部材)が装着され、この右スリーブ部材56B(左スリーブ部材)と前側の右後突出部46B(左後突出部)との間に、右弾性偏倚部材50B(左弾性偏倚部材)を構成する右ねじりコイルばね54B(左ねじりコイルばね)が右支持軸32B(左支持軸36B)を被嵌して配設されている。 The support structures 40B and 42B for the right support shaft 32B and the left support shaft 36B of the right foot rest member 34B and the left foot rest member 38B are the same as those of the embodiments shown in FIGS. 1 to 3, and hereinafter, the right foot rest member 34B (left foot rest) The support structure 40B (42B) of the member 38B) will be outlined. A pair of right rear protrusions 46B (left rear protrusions) are provided on the right foot rest main body 44B (left foot rest main body) of the right foot rest member 34B (left foot rest member 38B), and the right rear protrusion 46B supports the right. It is swingably supported by the shaft 32B (left support shaft 36B). A right sleeve member 56B (left sleeve member) is attached to the tip of the right support shaft 32B (left support shaft 36B), and the right sleeve member 56B (left sleeve member) and the front right rear protrusion 46B (left rear). The right torsion coil spring 54B (left torsion coil spring) constituting the right elastic deviation member 50B (left elastic deviation member) is fitted with the right support shaft 32B (left support shaft 36B) between the protrusion). It is installed.

右ねじりコイルばね54B(左ねじりコイルばね)の一端側は、右スリーブ部材56B(左スリーブ部材)の取付孔(図示せず)に挿入することにより取り付けられ、それらの他端側は、右足置き本体部44B(左足置き本体部)の裏面に当接して作用し、右ねじりコイルばね54B(左ねじりコイルばね)は、右足置き本体部44B(左足置き本体部)に作用して収納角度位置に向けて弾性的に偏倚する。 One end side of the right torsion coil spring 54B (left torsion coil spring) is attached by inserting it into a mounting hole (not shown) of the right sleeve member 56B (left sleeve member), and the other end side thereof is a right foot rest. It acts in contact with the back surface of the main body 44B (left footrest main body), and the right torsion coil spring 54B (left torsion coil spring) acts on the right footrest main body 44B (left footrest main body) to the storage angle position. It is elastically biased toward.

この変形形態においても、上述した実施形態と同様に、この右足置き本体部44B(左足置き本体部)は、右弾性偏倚部材50B(左弾性偏倚部材52B)の作用によって、その載置面が右支持アーム26B(左支持アーム30B)に当接することにより、右足置き本体部44B(左足置き本体部)が上方に延びる収納角度位置に弾性的に保持され、また右足置き本体部44B(左足置き本体部)の後端面が右支持アーム26B(左支持アーム30B)の下端部、具体的には右支持軸32B(左支持軸36B)より下方に突出する端部に当接することにより、右足置き本体部44B(左足置き本体部)が水平方向に延びる載置角度位置、即ち図5に示す角度位置に保持される。従って、このようなフットレスト構造20Bを採用しても、上述した実施形態と同様効果を達成することができる。 In this modified form as well, as in the above-described embodiment, the right footrest main body 44B (left footrest main body) has a right mounting surface due to the action of the right elastic deviating member 50B (left elastic deviating member 52B). By abutting on the support arm 26B (left support arm 30B), the right footrest main body 44B (left footrest main body) is elastically held at a storage angle position extending upward, and the right footrest main body 44B (left footrest main body) is also elastically held. The rear end surface of the part) comes into contact with the lower end of the right support arm 26B (left support arm 30B), specifically, the end projecting downward from the right support shaft 32B (left support shaft 36B), so that the right foot rest body The portion 44B (left foot rest main body portion) is held at a mounting angle position extending in the horizontal direction, that is, at an angle position shown in FIG. Therefore, even if such a footrest structure 20B is adopted, the same effect as that of the above-described embodiment can be achieved.

以上、本発明に従う車椅子の一実施形態について説明したが、本発明はかかる実施形態に限定されるものではなく、本発明の範囲を逸脱することなく種々の変更乃至修正が可能である。 Although one embodiment of the wheelchair according to the present invention has been described above, the present invention is not limited to such an embodiment, and various changes or modifications can be made without departing from the scope of the present invention.

例えば、上述した実施形態では、右足については右足置き部材34に載置し且つ左足については左足置き部材38に載置する形態のものに適用して説明したが、このような構成に限定されず、右足及び左足を共通の一つの足置き部材に載置する形態のものにも同様に適用することができる。 For example, in the above-described embodiment, the right foot is placed on the right foot rest member 34 and the left foot is placed on the left foot rest member 38, but the description is not limited to this. The same applies to a form in which the right foot and the left foot are placed on one common footrest member.

また、例えば、上述した実施形態では、手で押して移動させる形態の手動式の車椅子に適用して説明したが、例えば電動モータなどを利用した電動式の車椅子にも同様に適用することができる。 Further, for example, in the above-described embodiment, the present invention has been described by applying it to a manual wheelchair in which the wheelchair is pushed and moved by hand, but the same can be applied to, for example, an electric wheelchair using an electric motor or the like.

1,1B 車椅子
2 座席部
4 車椅子本体
20,20A,20B フットレスト機構
26,26A,26B,30,30B 支持アーム
32,36 支持軸
34,34A,34B,38,38B 足置き部材
40,40B,42,42B 支持構造
44,44A,44B 足置き本体部
50,50B,52,52B 弾性偏倚部材
54,54A,54B,55A ねじりコイルばね
1,1B Wheelchair 2 Seat 4 Wheelchair body 20,20A, 20B Footrest mechanism 26,26A, 26B, 30,30B Support arm 32,36 Support shaft 34,34A, 34B, 38,38B Footrest member 40,40B,42 , 42B Support structure 44, 44A, 44B Footrest body 50, 50B, 52, 52B Elastic deflection member 54, 54A, 54B, 55A Torsion coil spring

Claims (5)

座席部が設けられた車椅子本体と、前記車椅子本体の後部に回転自在に支持された駆動車輪と、前記車椅子本体の前部に回転自在に支持された補助車輪と、前記車椅子本体の前部に設けられたフットレスト構造と、を備えた車椅子において、
前記フットレスト構造は、前記車椅子本体から下方に延びる支持アームと、前記支持アームに設けられた支持軸と、前記支持軸に収納角度位置と載置角度位置との間を揺動自在支持された足置き部材と、前記足置き部材を前記支持軸を中心として前記収納角度位置に向けて弾性的に偏倚する弾性偏倚部材とを備え、前記足置き部材は、前記弾性偏倚部材の作用によって前記収納角度位置に弾性的に保持されることを特徴とする車椅子。
A wheelchair body provided with a seat portion, a drive wheel rotatably supported at the rear portion of the wheelchair body, an auxiliary wheel rotatably supported at the front portion of the wheelchair body, and a front portion of the wheelchair body. In a wheelchair equipped with a provided footrest structure
The footrest structure includes a support arm extending downward from the wheelchair body, a support shaft provided on the support arm, and a foot swingably supported by the support shaft between a storage angle position and a mounting angle position. The footrest member includes an elastic deviation member that elastically deflects the footrest member toward the storage angle position about the support shaft, and the footrest member has the storage angle due to the action of the elastic deviation member. A wheelchair characterized by being elastically held in place.
前記フットレスト構造は、前記車椅子本体の右側部及び左側部から下方に延びる右支持アーム及び左支持アームと、前記右支持アーム及び前記左支持アームに設けられた右支持軸及び左支持軸と、前記右支持軸及び前記右支持軸に前記収納角度位置と前記載置角度位置との間を揺動自在に支持された右足置き部材及び左足置き部材と、前記右足置き部材及び前記左足置き部材を前記収納角度位置に向けて弾性的に偏倚する右弾性偏倚部材及び左弾性偏倚部材と、を備えていることを特徴とする請求項1に記載の車椅子。 The footrest structure includes a right support arm and a left support arm extending downward from the right side portion and the left side portion of the wheelchair body, a right support shaft and a left support shaft provided on the right support arm and the left support arm, and the left support shaft. The right footrest member and the left footrest member, and the right footrest member and the left footrest member, which are swingably supported between the storage angle position and the above-mentioned mounting angle position on the right support shaft and the right support shaft, are described. The wheelchair according to claim 1, further comprising a right elastic deviating member and a left elastic deviating member elastically deviating toward a storage angle position. 前記右弾性偏倚部材は右ねじりコイルばねから構成され、前記右ねじりコイルばねの一端側は、前記右支持軸に取り付けられた右スリーブ部材に装着され、その他端側は、前記右足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されており、また前記左弾性偏倚部材は左ねじりコイルばねから構成され、前記左ねじりコイルばねの一端側は、前記左支持軸に取り付けられた左スリーブ部材に装着され、その他端側は、前記左足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されていることを特徴とする請求項2に記載の車椅子。 The right elastic deviating member is composed of a right torsion coil spring, one end side of the right torsion coil spring is attached to a right sleeve member attached to the right support shaft, and the other end side acts on the right foot rest member. The left elastic deviating member is composed of a left torsion coil spring, and one end side of the left torsion coil spring is a left support shaft. 2. The other end side is attached to the left sleeve member attached to the left foot rest member, and is configured to act on the left foot rest member to elastically deviate toward the storage angle position. The wheelchairs listed in. 前記右足置き部材の両側部に一対の右ねじりコイルばねが設けられ、前記一対の右ねじりコイルばねの外側に一対の右スリーブ部材が設けられ、前記一対の右ねじりコイルばねの一端側は、対応する右スリーブ部材に装着され、それらの他端側は、前記右足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されており、また前記左足置き部材の両側部に一対の左ねじりコイルばねが設けられ、前記一対の左ねじりコイルばねの外側に一対の左スリーブ部材が設けられ、前記一対の左ねじりコイルばねの一端側は、対応する左スリーブ部材に装着され、それらの他端側は、前記左足置き部材に作用して前記収納角度位置に向けて弾性的に偏倚するように構成されていることを特徴とする請求項3に記載の車椅子。 A pair of right-hand torsion coil springs are provided on both sides of the right foot rest member, a pair of right-sleeve members are provided outside the pair of right-hand torsion coil springs, and one end side of the pair of right-hand torsion coil springs corresponds to each other. It is attached to the right sleeve member, and the other end side thereof is configured to act on the right foot rest member to elastically deviate toward the storage angle position, and both side portions of the left foot rest member. Is provided with a pair of left torsion coil springs, a pair of left sleeve members are provided outside the pair of left torsion coil springs, and one end side of the pair of left torsion coil springs is attached to a corresponding left sleeve member. The wheelchair according to claim 3, wherein the other end side thereof is configured to act on the left foot rest member and elastically deviate toward the storage angle position. 前記右足置き部材の基部には後側に突出する右後突出部が設けられ、前記右後突出部が前記右支持軸に揺動自在に支持され、前記載置角度位置まで揺動すると、前記右足置き部材の後端面が前記右支持アームに当接し、前記収納角度位置まで揺動すると、前記右足置き部材の載置面が前記右支持アームに当接し、また前記左足置き部材の基部には後側に突出する左後突出部が設けられ、前記左後突出部が前記左支持軸に揺動自在に支持され、前記載置角度位置まで揺動すると、前記左足置き部材の後端面が前記左支持アームに当接し、前記収納角度位置まで揺動すると、前記左足置き部材の載置面が前記左支持アームに当接することを特徴とする請求項2〜4のいずれかに記載の車椅子。





The base of the right foot rest member is provided with a right rear projecting portion that projects rearward, and the right rear projecting portion is swingably supported by the right support shaft and swings to the above-mentioned mounting angle position. When the rear end surface of the right footrest member abuts on the right support arm and swings to the storage angle position, the mounting surface of the right footrest member abuts on the right support arm, and the base of the left footrest member A left rear projecting portion is provided so as to project to the rear side, and the left rear projecting portion is swingably supported by the left support shaft, and when swinging to the above-mentioned mounting angle position, the rear end surface of the left foot resting member becomes said. The wheelchair according to any one of claims 2 to 4, wherein when the wheelchair comes into contact with the left support arm and swings to the storage angle position, the mounting surface of the left foot rest member comes into contact with the left support arm.





JP2019092095A 2019-05-15 2019-05-15 wheelchair Pending JP2020185210A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3111688U (en) * 2005-04-19 2005-07-28 康揚股▲分▼有限公司 Wheelchair footboard automatic storage structure
JP2007152043A (en) * 2005-11-30 2007-06-21 Kuruma-Za:Kk Opening/closing device for wheelchair foot plate
JP3190253U (en) * 2014-02-10 2014-04-24 株式会社 ドリーム・ダブル wheelchair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3111688U (en) * 2005-04-19 2005-07-28 康揚股▲分▼有限公司 Wheelchair footboard automatic storage structure
JP2007152043A (en) * 2005-11-30 2007-06-21 Kuruma-Za:Kk Opening/closing device for wheelchair foot plate
JP3190253U (en) * 2014-02-10 2014-04-24 株式会社 ドリーム・ダブル wheelchair

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