JP2012161457A - Lift-up wheelchair having detachable main wheel - Google Patents

Lift-up wheelchair having detachable main wheel Download PDF

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JP2012161457A
JP2012161457A JP2011023794A JP2011023794A JP2012161457A JP 2012161457 A JP2012161457 A JP 2012161457A JP 2011023794 A JP2011023794 A JP 2011023794A JP 2011023794 A JP2011023794 A JP 2011023794A JP 2012161457 A JP2012161457 A JP 2012161457A
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wheelchair
attached
diameter
main wheel
lift
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JP5675400B2 (en
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Kengo Miyagawa
賢悟 宮川
Noriyuki Matsunaga
紀之 松永
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Matsunaga Manufactory KK
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Abstract

PROBLEM TO BE SOLVED: To provide a wheelchair having detachable large-diameter main wheels, to be moved in a narrow aisle of an airplane or train.SOLUTION: The wheelchair includes a movable caster on the front and a caster with double kickstands on the rear, and also has a seat section on an upper frame and arm rests on both sides of the seat section. Arm rests of the wheelchair having the movable large-diameter main wheels attached thereto can be folded. The double kickstands of the right and left rear casters are connected by a lift-up lever. When the rear casters are fixed by the double kickstands using the lift-up lever, the right and left large-diameter wheels can be detached.

Description

本願発明は、飛行機、列車等の狭隘な通路を走行できる車椅子に関する。より詳しくは、飛行機、列車等の座席の間の狭い通路を走行できるように、車椅子の大径の主車輪を着脱自在とし、狭い通路では主車輪を外し、アームレストを折り畳んで車椅子の幅を狭くし、狭い通路でも走行できるようにした車椅子に関する。   The present invention relates to a wheelchair that can travel in a narrow passage such as an airplane or a train. More specifically, the wheelchair's large-diameter main wheels are made detachable so that they can travel in a narrow passage between seats of airplanes, trains, etc., the main wheel is removed in the narrow passage, and the armrest is folded to narrow the width of the wheelchair. In addition, the present invention relates to a wheelchair that can travel in a narrow passage.

特許文献の請求項１には「車輪着脱機構を介してフレームに着脱自在に軸支されるとともに常には走行面に接地する後輪と、前記フレーム下部に設けられ前記後輪を走行面から離隔した位置へ上昇可能なリフトアップ装置と、を備え、
前記リフトアップ装置は、前端部が車椅子のフレーム下部に枢着されて揺動可能に設けられた支持アームと、前記支持アームの自由端部の下部に設けられたリフトアップ車輪と、ペダル部を有し上端部が前記フレーム下部に枢着された第１リンクバーと、下端部が前記支持アームの自由端部に枢着され上端部が前記第１リンクバー下端部に枢着された第２リンクバーと、前記支持アームを前記フレーム下部方向へ回動付勢するばねと、を備え、前記リフトアップ車輪が、前記フレーム下部に接近した非接地位置と走行面に接地した接地位置との間を昇降可能に形成され、該接地位置において前記フレームの高さ位置を上昇可能に形成されてなることを特徴とする車椅子。」が開示されている。 According to claim 1 of the patent document, “a rear wheel that is pivotally supported by the frame via a wheel attaching / detaching mechanism and is always in contact with the running surface, and a rear wheel provided at the lower part of the frame is separated from the running surface. A lift-up device capable of ascending to a specified position,
The lift-up device includes a support arm pivotally attached to a lower part of a wheelchair frame at a front end, a lift-up wheel provided at a lower part of the free end of the support arm, and a pedal part. A first link bar having an upper end pivotally attached to the lower part of the frame; a second link bar pivotally attached to a free end of the support arm and an upper end pivotally attached to the lower end of the first link bar; A link bar, and a spring that urges the support arm to rotate downward in the frame, and the lift-up wheel is between a non-grounding position approaching the frame lower part and a grounding position grounded on the running surface. The wheelchair is formed so as to be movable up and down, and is formed so that the height position of the frame can be raised at the ground contact position. Is disclosed.

特許文献２の段落[０００５]の課題を解決するための手段には、「本発明は、座部、背も垂れ、アームレスト、フットレストを装着した台座及び台座に装着した小径車輪を設けた車椅子において、前記小径車輪より径が大きく、着脱自在の大径車輪とより構成する、車椅子装置である。また本発明は、前述した車椅子装置において、大径車輪の着脱を行うため、上面形状を傾斜部と水平部とで構成する二本のレールからなるスロープレールを備えたことを特徴とする、車椅子装置である。また本発明は、前述した車椅子装置において、リクライニング機構を有する背も垂れと、前記背も垂れの両側部に設けたレールをスライドする座部とを備えたことを特徴とする、車椅子装置である。さらに本発明は、前述したいずれかの車椅子装置において、台座に対して座部は、少なくとも９０度の平面回転を許容するよう構成したことを特徴とする、車椅子装置である。本発明は、前述したいずれかの車椅子装置の利用方法であって、大径車輪を着脱する場合、スロープレールに小径車輪を乗せ、大径車輪が床面に接触しない位置まで車椅子装置を登らせて大径車輪の着脱を行うことを特徴とする、車椅子装置の利用方法である。」と開示されている。   The means for solving the problem of paragraph [0005] of Patent Document 2 includes: “In the wheelchair provided with a seat, a backrest, an armrest, a pedestal with a footrest attached, and a small-diameter wheel attached to the pedestal. The wheelchair device comprises a large-diameter wheel having a diameter larger than that of the small-diameter wheel, and the detachable large-diameter wheel. A wheelchair device comprising a slope rail composed of two rails composed of a horizontal portion and a horizontal portion.In addition, the present invention relates to the above-described wheelchair device, the backrest having a reclining mechanism, A wheelchair device comprising: a seat that slides on rails provided on both sides of the backrest, and the present invention includes any one of the wheelchair devices described above. The wheelchair device is characterized in that the seat portion is configured to allow at least 90 degree plane rotation with respect to the pedestal. Use of a wheelchair device to attach and detach a large-diameter wheel by placing the small-diameter wheel on a slope rail and climbing the wheelchair device to a position where the large-diameter wheel does not contact the floor surface. It is a method. "

特許文献３の段落[０００７]の課題を解決するための手段には、「前記の課題を解決するため、請求項１の発明では、シート（座体）と、バックレスト（背もたれ）と、これらを支持する本体枠とを備えた車椅子において、本体枠の左右側部に、屋外用後輪（主輪）及びこれよりも小径の屋内用後輪の対と、屋外用後輪よりも小径の屋外用前輪及び屋内用前輪との対を、それら屋外用前後輪の群と屋内用前後輪の群とを選択的に使用できるように取り付けるという構成にした。」と記載され、
さらに段落[０００８]に、「請求項２の発明はより好適な態様であり、この発明は、請求項１において、前記屋外用後輪は本体枠に対して着脱自在である一方、前記屋外用前輪と屋内用前輪とは、左右横長の軸心回りに回動させ得る支持部材に取り付けられており、支持部材の姿勢を変えることによって屋外用前輪と屋内用前輪とを選択的に接地できるようになっている。」と開示されている。 The means for solving the problem of paragraph [0007] of Patent Document 3 includes: “In order to solve the above-mentioned problem, in the invention of claim 1, a seat (seat body), a backrest (backrest), and these In a wheelchair equipped with a main body frame for supporting a pair of outdoor rear wheels (main wheels) and smaller indoor rear wheels, and a smaller diameter than the outdoor rear wheels, on the left and right sides of the main body frame The pair of outdoor front wheels and indoor front wheels is configured to be attached so that the group of outdoor front and rear wheels and the group of indoor front and rear wheels can be selectively used.
Further, in paragraph [0008], “the invention of claim 2 is a more preferable aspect, and in the invention of claim 1, the outdoor rear wheel is detachable from the body frame, while the outdoor The front wheel and the indoor front wheel are attached to a support member that can be rotated around a horizontally long axis, so that the outdoor front wheel and the indoor front wheel can be selectively grounded by changing the posture of the support member. It is disclosed.

上記のように、特許文献１では狭い場所でも走行できるように、大径の後輪を着脱自在にしたのに対し、特許文献２、及び３ではそれぞれ室内では屋外用の後輪を外して、屋外においては屋外用の後輪を着設して走行できるように、後輪を着脱自在にした車椅子が開示されている。しかし、狭い通路を走行するためには、上記の車椅子でも十分ではなく、狭い通路を問題なく走行できる車椅子の出現が望まれている。   As described above, in Patent Document 1, the large-diameter rear wheel is made detachable so that it can run even in a narrow place, whereas in Patent Documents 2 and 3, the outdoor rear wheel is removed indoors, A wheelchair is disclosed in which the rear wheels are detachable so that the outdoor rear wheels can be installed and traveled outdoors. However, in order to travel in a narrow passage, the above wheelchair is not sufficient, and the appearance of a wheelchair that can travel in a narrow passage without problems is desired.

特許第３８１８６９９号公報Japanese Patent No. 3818699 特開平１１−１９７１９０号公報JP 11-197190 A 特開２００４−０７３５０９号公報JP 2004-073509 A

本願発明は、通常は幅の広い車椅子として使用可能であって、しかも、飛行機や列車等の座席と座席の間の狭い通路も走行できる車椅子を提供するものである。より詳しくは、通常の車椅子の主車輪を着脱自在にするとともに、さらに、アームレストを折り畳んで車椅子の車幅を狭くして、飛行機、列車等の座席の間の狭い通路を走行できる車椅子を提供するものである。   The present invention provides a wheelchair that is normally usable as a wide wheelchair and that can also travel in a narrow passage between seats such as airplanes and trains. More specifically, the main wheel of a normal wheelchair is made detachable, and the wheelchair of the wheelchair is made narrow by folding the armrest to provide a wheelchair that can travel in a narrow passage between seats of airplanes, trains, etc. Is.

本願発明は上記事実に鑑み、飛行機、列車等の座席と座席の間の狭い通路も走行できるように、通常の車椅子の両側の大径の主車輪を着脱自在にするとともに、座部の両側に突設されたアームレストを折り畳んで飛行機や列車等の座席と座席の間の狭い通路でも走行できる車椅子とした。   In view of the above facts, the present invention makes it possible to detach and attach large-diameter main wheels on both sides of a normal wheelchair so that a narrow passage between the seats of an airplane, a train, etc. can be run, and on both sides of the seat. By folding the protruding armrest, the wheelchair can be used in a narrow passage between seats such as airplanes and trains.

本発明の特徴は、前部に回動自在のキャスターと後部に両立スタンドを着設したキャスターを有し、上部フレームに座部と座部の後部に背もたれフレームに着設された背もたれと、前記座部の両サイドにアームレストを有する車椅子に、大径の主車輪が着脱自在に着設された車椅子であって、前記座部の両サイドに着設されたアームレストが折り畳み可能であり、前記両立スタンドが着設された後部キャスターの左右の両立スタンドがリフトアップレバーで接続され、該リフトアップレバーで後部キャスターを両立スタンドで固定すると、前記大径の左右の車輪が取り外し可能であることを特徴とする車椅子である。大径の主車輪を取り外すと、座部の両側に着設されたアームレストのフレームが回動可能となり、アームレストを回動させることにより、車椅子の幅がさらに狭くなって、新幹線、航空機等の座席の間の通路を介助者により容易に走行することができる。   A feature of the present invention is a caster having a rotatable caster at the front part and a caster having a compatible stand attached at the rear part, a seat part on the upper frame and a backrest attached to the back frame at the rear part of the seat part, A wheelchair in which a large-diameter main wheel is detachably attached to a wheelchair having armrests on both sides of the seat part, and the armrests attached to both sides of the seat part can be folded, The left and right balance stand of the rear caster to which the stand is attached is connected by a lift-up lever, and when the rear caster is fixed by the lift stand with the lift-up lever, the left and right wheels of the large diameter can be removed. It is a wheelchair. When the large-diameter main wheel is removed, the frame of the armrest attached to both sides of the seat can be turned. By turning the armrest, the width of the wheelchair is further reduced, and the seat of Shinkansen, aircraft, etc. It is possible to easily travel by the assistant through the passage between the two.

本発明の別の特徴は、前記大径の主車輪が着脱自在に着設された車椅子の、前記大径の主車輪が取り外されると共に、前記座部の両サイドに着設されたアームレストが車椅子の背もたれの後方に折り畳み可能であることを特徴とする車椅子である。大径の主車輪を取り外すと、座部の両側に着設されたアームレストのフレームが回動可能となり、アームレストを背もたれの後方に回動させることにより、車椅子の幅がさらに狭くなって、新幹線、航空機の通路を介助者により容易に走行することができる。   Another feature of the present invention is that a wheelchair in which the large-diameter main wheel is detachably attached is configured such that the large-diameter main wheel is removed and armrests attached to both sides of the seat portion are wheelchairs. It is a wheelchair characterized by being foldable behind the backrest of the chair. When the main wheel with large diameter is removed, the frame of the armrest attached on both sides of the seat becomes rotatable, and by turning the armrest to the back of the backrest, the width of the wheelchair is further reduced, the Shinkansen, It can be easily driven by an assistant through an aircraft passage.

本発明の別の特徴は前記大径の主車輪が着脱自在に着設された車椅子の、前記大径の主車輪が取り外されると共に、前記座部の両サイドに着設されたアームレストが車椅子の座部の下側に折り畳み可能であることを特徴とする車椅子である。大径の主車輪を取り外すと、座部の両側に着設されたアームレストのフレームが座部の下側に回動可能となる。アームレストを座部の下に回動させることにより、車椅子の幅がさらに狭くなって、新幹線、航空機等の座席の間の通路を介助者により容易に走行することができる。   Another feature of the present invention is that the wheelchair in which the large-diameter main wheel is detachably attached is configured such that the large-diameter main wheel is removed and the armrests attached to both sides of the seat portion are A wheelchair characterized in that it can be folded under the seat. When the large-diameter main wheel is removed, the frame of the armrest attached to both sides of the seat portion can be rotated to the lower side of the seat portion. By rotating the armrest below the seat, the width of the wheelchair is further reduced, and the assistant can easily travel through the passage between the seats of the Shinkansen, aircraft, and the like.

本発明の脱着自在の主車輪を有するリフトアップ車椅子は、大径の主車輪を取り外すと、座部の両側に着設されたアームレストのフレームが回動可能となり、アームレストを回動させることにより、車椅子の幅がさらに狭くなって、新幹線、航空機等の座席の間の通路を介助者により容易に走行することができる。   The lift-up wheelchair having the detachable main wheel of the present invention, when the large-diameter main wheel is removed, the frame of the armrest attached to both sides of the seat portion can be rotated, and by rotating the armrest, The width of the wheelchair is further reduced, and the assistant can easily travel through the passage between the seats of the Shinkansen, aircraft, and the like.

図１の（Ａ）は、本願発明のリフトアップ車椅子の上面図を示す。図１の（Ｂ）は、本願発明のリフトアップ車椅子の側面図を示す。FIG. 1A shows a top view of the lift-up wheelchair of the present invention. FIG. 1B shows a side view of the lift-up wheelchair of the present invention. 図２の（Ａ）は、本願発明の車椅子の背面図を示す。図２の（Ｂ）は、本願発明の車椅子から取り外した大径の車輪を示す。FIG. 2A shows a rear view of the wheelchair of the present invention. FIG. 2B shows a large-diameter wheel removed from the wheelchair of the present invention. 図３（Ａ）は、本願発明の車椅子の正面図を示す。図３（Ｂ）は、本願発明の車椅子から取り外した大径の車輪を示す。FIG. 3 (A) shows a front view of the wheelchair of the present invention. FIG. 3B shows a large-diameter wheel removed from the wheelchair of the present invention. 図４は、本願発明の車椅子の大径の主車輪を取り外した骨格を示す。FIG. 4 shows a skeleton from which a large-diameter main wheel of the wheelchair of the present invention is removed. 図５の（Ａ）は、大径の主車輪を外したリフトアップ車椅子のアームレストを背もたれの後方に折り畳んだ上面図を示す。図５の（Ｂ）は、大径の主車輪を外した車椅子のアームレストを背もたれの後方に折り畳んだ側面図を示す。(A) of FIG. 5 shows the top view which folded the armrest of the lift-up wheelchair which removed the main wheel of a large diameter to the back of the backrest. FIG. 5B shows a side view in which the armrest of the wheelchair with the large-diameter main wheel removed is folded back behind the backrest. 図６の（Ａ）は大径の主車輪を外した車椅子のアームレストを座部の下側に折り畳んだ正面図を示す。図６の（Ｂ）は、大径の主車輪を取り外した車椅子のアームレストを座部の下側に折り畳んだ側面図を示す。FIG. 6A shows a front view in which the armrest of the wheelchair with the large-diameter main wheel removed is folded to the lower side of the seat. FIG. 6B shows a side view in which the armrest of the wheelchair from which the large-diameter main wheel is removed is folded to the lower side of the seat.

以下に図面を用いて本発明の実施の態様についていくつかの好ましい形態を例示するが、特許請求の範囲に記載された発明の範囲を限定することは意図するものではない。   Several preferred embodiments of the embodiments of the present invention are illustrated below with reference to the drawings, but are not intended to limit the scope of the invention described in the claims.

図１の（Ａ）の上面図に示すように、本願発明のリフトアップ車椅子は、前部補助フレーム１８にフットレスト２７と、上部フレーム２０に座部１５と座部の後部に背もたれフレーム１９に着設された背もたれ１６と、前記座部１５の両サイドにアームレスト２６を有する車椅子に、ハンドリム１４が着設された大径の主車輪１３が着脱自在に軸着され、背もたれ１６の後方にハンドルレバー２３が着設されている。車椅子の後部内側にリフトアップレバー２５が着設されている。通常は、後部キャスター１２は浮き上がった状態にあり、車椅子は前部キャスター１１と大径の主車輪１３で走行する。   As shown in the top view of FIG. 1A, the lift-up wheelchair of the present invention is attached to the front auxiliary frame 18 with the footrest 27, the upper frame 20 with the seat 15 and the back of the seat with the back frame 19 attached thereto. A large-diameter main wheel 13 on which a hand rim 14 is mounted is detachably mounted on a wheelchair having an armrest 26 on both sides of the seat back 15 and a seat back 15, and a handle lever is mounted behind the backrest 16. 23 is installed. A lift-up lever 25 is installed inside the rear part of the wheelchair. Normally, the rear caster 12 is in a lifted state, and the wheelchair runs on the front caster 11 and the large-diameter main wheel 13.

図１（Ｂ）の側面図に示すように、本願発明のリフトアップ車椅子は、前部に回動自在のキャスター１１と後部に両立スタンド２４を着設した後部キャスター１２を有し、上部フレーム２０に座部１５と座部の後部に背もたれフレーム１９に着設された背もたれ１６と、前記座部１５の両サイドにタックルブレーキ２９が着設されたアームレスト２６を有する車椅子に、ハンドリム１４が着設された大径の主車輪１３が着脱自在に軸着され、座部１５の後方の背もたれフレーム１９の上端部にハンドルレバー２３が着設されている。   As shown in the side view of FIG. 1 (B), the lift-up wheelchair of the present invention has a rotatable caster 11 at the front and a rear caster 12 with a balance stand 24 attached to the rear, and an upper frame 20. The hand rim 14 is attached to a wheelchair having a seat 15, a back 16 attached to a back frame 19 at the rear of the seat, and an armrest 26 having tackle brakes 29 attached to both sides of the seat 15. The large main wheel 13 having a large diameter is detachably attached to the shaft, and a handle lever 23 is attached to an upper end portion of the back frame 19 behind the seat portion 15.

本願発明のリフトアップ車椅子の前記両立スタンド２４を着設した後部キャスター１２は、該後部キャスター１２の左右の両立スタンド２４はリフトアップレバー２５で接続され、該リフトアップレバー２５を踏むと後部キャスター１２が両立スタンド２５で固定されて、前記大径の左右の主車輪１３が取り外し可能となる。   The rear caster 12 on which the balance stand 24 of the lift-up wheelchair of the present invention is installed is connected to the right and left balance stands 24 of the rear caster 12 by a lift-up lever 25, and when the lift-up lever 25 is stepped on, the rear caster 12 Is fixed by the balance stand 25, and the large-diameter left and right main wheels 13 can be removed.

図２（Ａ）は、前部補助フレーム１７に着設された回動自在の前部キャスター１１と後部に両立スタンド２４を着設した後部キャスター１２が後部フレーム２１の下部に着設され、上部フレームと下部フレーム２１の間にクロスバー３２が着設された車椅子の一部分を示している。図２（Ａ）においては、両立スタンド２４を上げた状態を示している。   FIG. 2A shows a rotatable front caster 11 attached to the front auxiliary frame 17 and a rear caster 12 attached to a balance stand 24 at the rear part attached to the lower part of the rear frame 21. A portion of the wheelchair in which a cross bar 32 is installed between the frame and the lower frame 21 is shown. FIG. 2A shows a state where the compatible stand 24 is raised.

図２（Ｂ）は、前部補助フレーム１７に着設された回動自在の前部キャスター１１と両立スタンド２４を着設した後部キャスター１２が後部フレーム２１の下部に着設され、上部フレームと下部フレーム２１の間にクロスバー３２が着設された車椅子の一部分を示している。後部キャスター１２に着設された左右の両立スタンド２４はリフトアップレバー２５で接続されており、図２（Ｂ）はこのリフトアップレバー２５を踏んで両立スタンド２４を下げ、車椅子の後部が浮いた状態を示している。車椅子を前方に押していくと両立スタンド２４は後方に跳ね上がり、後部キャスター１２が着地して、車椅子は前部キャスター１１と後部キャスター１２で走行可能となる。   In FIG. 2B, the rotatable front caster 11 attached to the front auxiliary frame 17 and the rear caster 12 attached to the compatible stand 24 are attached to the lower part of the rear frame 21, and the upper frame A part of the wheelchair in which a cross bar 32 is installed between the lower frames 21 is shown. The left and right compatible stands 24 attached to the rear caster 12 are connected by a lift-up lever 25. In FIG. 2B, the compatible stand 24 is lowered by stepping on the lift-up lever 25, and the rear part of the wheelchair is lifted. Indicates the state. When the wheelchair is pushed forward, the compatibility stand 24 jumps back, the rear caster 12 lands, and the wheelchair can run on the front caster 11 and the rear caster 12.

図３（Ａ）は、本願発明のリフトアップ車椅子の正面図で、車椅子の両側にハンドリム１４が着設された脱着可能な大径の主車輪１３と、前方に前部補助フレーム１８に着設されたフットレスト２７と、折り畳み可能な中央部にクロスバー３２と、クロスバー３２の上部に座部１５が着設されている。座部１５の後方に背もたれ１６が着設されている。後部キャスターに着設された両立スタンドのリフトアップレバー２５を踏んで両立スタンド２４を下げると、車椅子の後部が浮いて大径の主車輪が脱着可能となる。   FIG. 3A is a front view of the lift-up wheelchair according to the present invention. The main wheel 13 has a removable main diameter 13 with hand rims 14 mounted on both sides of the wheelchair, and is mounted on the front auxiliary frame 18 in the front. The footrest 27 is formed, a crossbar 32 is attached to a foldable central portion, and a seat portion 15 is attached to an upper portion of the crossbar 32. A backrest 16 is attached to the rear of the seat portion 15. When the balance stand 24 is lowered by stepping on the lift-up lever 25 of the compatible stand attached to the rear caster, the rear part of the wheelchair floats and the large-diameter main wheel can be detached.

図３（Ｂ）は、後部の両立スタンド２４をリフトアップして取り外した両側の大径の主車輪１３を示している。大径の主車輪１３の脱着は大径の車輪１３の中心部に着設したボタン１３ａを押すと、車軸に着設されたバネが付勢された突出したピン１３ｂが引き込まれて大径の車輪１３が脱着が可能となる。   FIG. 3 (B) shows the large-diameter main wheels 13 on both sides from which the rear compatible stand 24 is lifted up and removed. When the main wheel 13 with a large diameter is attached or detached, when a button 13a attached to the center of the wheel 13 with a large diameter is pressed, a protruding pin 13b with a spring attached to the axle is pulled in, and the large diameter wheel 13 is drawn. The wheel 13 can be detached.

図４は、本願発明のリフトアップ車椅子の大径の主車輪１３を取り外し、アームレスト２６を背もたれ１６の後方に折り畳んだ車椅子の骨格を示している。アームレスト２６は上部フレーム２１の下に着設されたアームレスト固定部２６ａに固定されている。図１（Ｂ）の２６ａに示すように、固定部のレバーを下げてアームレスト２６を持ち上げながら、後方に回転させると２６ｂの軸着部から回転して、背もたれ１６の後方に折り畳むことができる。さらに、後部キャスターに着設された両立スタンドのリフトアップレバー２５の一方端にはロック機構２５ａが着設され、他方端にはヒンジ部２５ｂが設けられており、ロック機構２５ａを解除すると、リフトアップレバー２５はヒンジ部２５ｂより持ち上げられて、車椅子は折り畳み可能となる。   FIG. 4 shows a skeleton of a wheelchair in which the large-diameter main wheel 13 of the lift-up wheelchair of the present invention is removed and the armrest 26 is folded behind the backrest 16. The armrest 26 is fixed to an armrest fixing portion 26 a that is attached below the upper frame 21. As shown by 26a in FIG. 1 (B), when the lever of the fixing portion is lowered and the armrest 26 is lifted and rotated rearward, it can be rotated from the pivoting portion 26b and folded back of the backrest 16. Furthermore, a lock mechanism 25a is attached to one end of the lift-up lever 25 of the compatible stand attached to the rear caster, and a hinge portion 25b is provided to the other end. The up lever 25 is lifted from the hinge portion 25b, and the wheelchair can be folded.

図５の（Ａ）は、大径の主車輪１３を外した本願発明のリフトアップ車椅子のアームレスト２６を背もたれ１６の後方に折り畳んだ上面図を示す。図５の（Ｂ）は、大径の主車輪１３を取り外した車椅子のアームレスト２６を背もたれの後方に折り畳んだ側面図を示している。大径の主車輪の着設した状態で車椅子の横幅は６４０ｍｍである。この大径の主車輪１３を取り外すと、座部１５の両側に着設されたアームレスト２６のフレームが回動可能となり、アームレスト２６を背もたれ１６の後方に回動させることにより、車椅子の幅は４００ｍｍとなる。大径の主車輪を取り外して、アームレストを折り畳んだ時の横幅は、新幹線、航空機の通路を走行できるように、３５０〜４５０ｍｍの間が望ましい。   FIG. 5A shows a top view in which the armrest 26 of the lift-up wheelchair of the present invention with the large-diameter main wheel 13 removed is folded behind the backrest 16. FIG. 5B shows a side view in which the armrest 26 of the wheelchair from which the large-diameter main wheel 13 has been removed is folded behind the backrest. The width of the wheelchair is 640 mm with the large diameter main wheels attached. When the large-diameter main wheel 13 is removed, the frame of the armrest 26 attached to both sides of the seat portion 15 can be rotated. By rotating the armrest 26 to the back of the backrest 16, the width of the wheelchair is 400 mm. It becomes. The width when the main wheel with a large diameter is removed and the armrest is folded is preferably 350 to 450 mm so that it can travel in the Shinkansen and aircraft passages.

図６の（Ａ）は大径の主車輪１３を取り外した車椅子のアームレスト２６を座部１５の下側に折り畳んだ正面図を示している。大径の主車輪を取り外して、アームレスト２６を座部１５の下に折り畳むと車椅子の横幅は、左右の前部キャスター１１の幅と略同じ幅（４００ｍｍ）になり、新幹線、航空機等の通路を介助者により容易に走行することができる。図６の（Ｂ）は、大径の主車輪１３を取り外した車椅子のアームレスト２６を座部１５の下側に折り畳んだ側面図を示している。アームレスト２６は上部フレーム２０に回動自在に軸着されており、軸着部２６ｄから下に折り畳み可能となっている。大径の主車輪が着設された状態で横幅は６４０ｍｍであったのが、主車輪１３を取り外し、アームレスト２６を座席の下に収納した状態で、車椅子の横幅は４００ｍｍとなり、新幹線、航空機等の通路を介助者により容易に走行することができる。   FIG. 6A shows a front view in which the armrest 26 of the wheelchair from which the large-diameter main wheel 13 is removed is folded below the seat portion 15. When the main wheel with the large diameter is removed and the armrest 26 is folded under the seat 15, the width of the wheelchair becomes approximately the same width (400mm) as the width of the front casters 11 on the left and right. It can be easily driven by an assistant. FIG. 6B shows a side view in which the armrest 26 of the wheelchair from which the large-diameter main wheel 13 is removed is folded to the lower side of the seat portion 15. The armrest 26 is pivotally attached to the upper frame 20 so as to be foldable downward from the axial attachment portion 26d. The width of the main wheel was 640 mm with the large-diameter main wheel installed, but the width of the wheelchair was 400 mm with the main wheel 13 removed and the armrest 26 stored under the seat. It can be easily traveled by an assistant through the passage.

１００：脱着可能な大径の主車輪を有する車椅子のアームレストを背もたれの後方に折り畳み可能な車椅子。
２００：脱着可能な大径の主車輪を有する車椅子のアームレストを座部の下側に折り畳み可能な車椅子。
１１：回動可能な前部キャスター
１２：後部キャスター
１３：大径の主車輪
１４：ハンドリム
１５：座部
１６：背もたれ
１７：前部フレーム
１８：前部補助フレーム
１９：背もたれフレーム
２０：上部フレーム
２１：下部フレーム
２２：後部フレーム
２３：ハンドルレバー
２４：両立スタンド
２５：リフトアップレバー
２６：アームレスト
２７：フットレスト
２８：後部キャスター用ブレーキレバー
２９：主車輪用ブレーキ
３０：車軸
３１：車軸保持部
３２：クロスバー 100: A wheelchair in which an armrest of a wheelchair having a detachable large-diameter main wheel can be folded behind a backrest.
200: A wheelchair in which an armrest of a wheelchair having a detachable large-diameter main wheel can be folded under the seat.
11: rotatable front caster 12: rear caster 13: large-diameter main wheel 14: hand rim 15: seat 16: backrest 17: front frame 18: front auxiliary frame 19: backrest frame 20: upper frame 21 : Lower frame 22: Rear frame 23: Handle lever 24: Compatibility stand 25: Lift-up lever 26: Armrest 27: Footrest 28: Rear caster brake lever 29: Main wheel brake 30: Axle 31: Axle holding part 32: Cross bar

Claims (3)

前部に回動自在のキャスターと後部に両立スタンドを着設したキャスターを有し、上部フレームに座部と座部の後部に背もたれフレームに着設された背もたれと、前記座部の両サイドにアームレストを有する車椅子に、大径の主車輪が着脱自在に着設された車椅子であって、前記座部の両サイドに着設されたアームレストが折り畳み可能であり、前記両立スタンドが着設された後部キャスターの左右の両立スタンドがリフトアップレバーで接続され、該リフトアップレバーで後部キャスターを両立スタンドで固定すると、前記大径の左右の車輪が取り外し可能であることを特徴とする車椅子。   It has a caster with a turnable caster at the front and a caster with a balance stand at the rear, a seat on the upper frame, a back on the back frame on the back of the seat, and both sides of the seat A wheelchair in which a large-diameter main wheel is detachably attached to a wheelchair having an armrest, the armrest attached to both sides of the seat portion is foldable, and the compatible stand is attached A wheelchair characterized in that left and right compatible stands of a rear caster are connected by a lift-up lever, and when the rear caster is fixed by a compatible stand with the lift-up lever, the left and right wheels of the large diameter can be removed. 前記大径の主車輪が着脱自在に着設された車椅子の、前記大径の主車輪が取り外されると共に、前記座部の両サイドに着設されたアームレストが車椅子の背もたれの後方に折り畳み可能であることを特徴とする請求項１に記載の車椅子。   The wheelchair in which the large-diameter main wheel is detachably attached, and the large-diameter main wheel is removed, and armrests attached to both sides of the seat portion can be folded behind the backrest of the wheelchair. The wheelchair according to claim 1, wherein the wheelchair is provided. 前記大径の主車輪が着脱自在に着設された車椅子の、前記大径の主車輪が取り外されると共に、前記座部の両サイドに着設されたアームレストが車椅子の座部の下側に折り畳み可能であることを特徴とする請求項１に記載の車椅子。   The wheelchair in which the large-diameter main wheel is detachably attached is detached from the large-diameter main wheel, and the armrests attached to both sides of the seat portion are folded below the seat portion of the wheelchair. The wheelchair according to claim 1, which is possible.
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JP5848479B1 (en) * 2015-04-22 2016-01-27 株式会社松永製作所 wheelchair
JP5852766B1 (en) * 2014-10-15 2016-02-03 株式会社松永製作所 Wheelchair and main wheel unit
JP5870229B1 (en) * 2015-10-13 2016-02-24 株式会社松永製作所 Wheelchair and coupling mechanism

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JP5852766B1 (en) * 2014-10-15 2016-02-03 株式会社松永製作所 Wheelchair and main wheel unit
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JP5848479B1 (en) * 2015-04-22 2016-01-27 株式会社松永製作所 wheelchair
JP5870229B1 (en) * 2015-10-13 2016-02-24 株式会社松永製作所 Wheelchair and coupling mechanism

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