JP4600594B1 - Electric wheelchair - Google Patents

Electric wheelchair Download PDF

Info

Publication number
JP4600594B1
JP4600594B1 JP2010003781A JP2010003781A JP4600594B1 JP 4600594 B1 JP4600594 B1 JP 4600594B1 JP 2010003781 A JP2010003781 A JP 2010003781A JP 2010003781 A JP2010003781 A JP 2010003781A JP 4600594 B1 JP4600594 B1 JP 4600594B1
Authority
JP
Japan
Prior art keywords
wheel
seat
auxiliary wheel
stairs
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2010003781A
Other languages
Japanese (ja)
Other versions
JP2011142938A (en
Inventor
坦治 都築
敬一 楡井
Original Assignee
坦治 都築
敬一 楡井
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 坦治 都築, 敬一 楡井 filed Critical 坦治 都築
Priority to JP2010003781A priority Critical patent/JP4600594B1/en
Application granted granted Critical
Publication of JP4600594B1 publication Critical patent/JP4600594B1/en
Publication of JP2011142938A publication Critical patent/JP2011142938A/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Handcart (AREA)

Abstract

【課題】従来の車椅子で階段や坂道を昇降しようとする場合、平面走行時と同様な安定した姿勢で操作することが困難で有り、加えて坂道の昇降は人力では不可能で有る。
【解決手段】本発明は上記課題を解決するためになされたものであって、乗車者が安定した姿勢にて階段及び斜面走行を行うために車体部分と座席部分及び走行駆動部分を個別に構成し、集合構築した。車体には中央に座席部を車体の左右両側には駆動部の格納場所を設けた、座席部分は車体の中心部にて吊下げ重力によるブランコ効果を応用し、階段や坂道の傾斜に追従せずに水平を保持し安定した姿勢を保てる。駆動部分は駆動モータ内蔵の主輪と段差乗越え機能を備えた前及び後補助輪の各々をクローラベルト式タイヤにて連結及び連動し平地と同様な走行性と安定性を実現して安定した座位姿勢で階段や坂道の上り下りを可能にした。
【選択図】図44
[PROBLEMS] To move up and down stairs and hills with a conventional wheelchair, it is difficult to operate in a stable posture similar to that when traveling on a flat surface, and in addition, raising and lowering hills is impossible by human power.
The present invention has been made to solve the above-described problems, and a vehicle body portion, a seat portion, and a travel drive portion are individually configured so that a rider can travel on stairs and slopes in a stable posture. And assembled. The car body has a seat in the center and storage areas for the drive parts on the left and right sides of the car body. The seat part can be applied to the center of the car by applying the swing effect of gravity and follow the slopes of stairs and slopes. Without changing the level, you can maintain a stable posture. The drive part has a built-in drive motor main wheel and front and rear auxiliary wheels with step-over function, connected and interlocked by crawler belt type tires to realize the same running performance and stability as flat ground and stable sitting position The stairs and hills can be moved up and down by posture.
[Selection] Figure 44

Description

本発明は、車椅子の乗車者が、平地は基より坂道及び階段を、平地走行と等しく安定した座位姿勢で昇降できる機構を備えた電動車椅子に関するものである。   The present invention relates to an electric wheelchair provided with a mechanism that enables a passenger of a wheelchair to move up and down a hill and stairs from a base on a flat ground with a stable sitting posture equivalent to that on a flat ground.

従来のこの種の電動車椅子としては、座席を支持するフレームに車軸を介して左右一対に設けられた車輪を、モータ等で回転駆動し平地走行をするものが主体で、段差では車輪の径で乗り越えられる程度のものが一般的である(例えば、特許文献1参照)。また、傾斜地で作業をするものではクローラベルトを使用した無限軌道式のものが従来からある.(例えば、特許文献2参照)。   Conventional electric wheelchairs of this type mainly use wheels provided on a pair of left and right wheels on a frame that supports a seat to rotate by a motor or the like to run on a flat ground. The thing of the grade which can be overcome is common (for example, refer patent document 1). Moreover, the thing of the endless track type which uses a crawler belt has conventionally existed in the thing which works on an inclined ground (for example, refer patent document 2).

特開平7−328073号公報(段落001〜0027)JP 7-328073 A (paragraphs 001 to 0027) 特開平7−257442号公報(段落008〜0013)JP-A-7-257442 (paragraphs 008 to 0013)

従来の車椅子では、平地走行を主体としており、特許文献1に記載された車椅子では段差の乗り越えは車輪の径で上れる程度と車道より歩道への想定であり、階段を連続して昇降するのは不可能に近い。乗車者の座席は車軸に固定されており、階段や坂道では座席が傾斜面と同じ角度に傾くため、乗車者は傾斜した姿勢のまま昇降せざるを得なく、傾斜した姿勢での操作は困難であり不安定である、従来の車椅子での階段や坂道を昇降するのはそれ自体では適応が難しい、なお、歩行弱者は足を足掛に乗せることも困難があり介添え者を必要とする。また、特許文献2に記載されたクローラベルト等の無限軌道式にした場合、斜面での昇降は可能であるが、乗車者の姿勢が不安定で操作が難しく、外出時は介添
者が必要という問題点がある。
Conventional wheelchairs mainly run on flat ground, and in the wheelchair described in Patent Document 1, it is assumed that the step over the level of the wheel can be climbed by the diameter of the wheel and the sidewalk from the roadway, and ascend and descend the stairs continuously Is almost impossible. The passenger's seat is fixed to the axle, and on the stairs and slopes, the seat tilts at the same angle as the inclined surface, so the passenger has to go up and down in an inclined position, and it is difficult to operate in an inclined position It is difficult and difficult to move up and down stairs and hills in conventional wheelchairs, which are unstable and unstable. In addition, weak walkers have difficulty in putting their feet on the footsteps and require an attendant. In addition, in the case of an endless track type such as a crawler belt described in Patent Document 2, it is possible to move up and down on a slope, but the posture of the passenger is unstable and difficult to operate, and an attendant is required when going out There is a problem.

本発明は、このような従来の構成が有していた問題を解決しようとするもので、車体部分に固定一体化されていた各部品を車体部分と車輪部分を分離した、と共に駆動部分や座席部分を独自に設け、集積、接続し構築することにより、平地は元より階段や坂道の昇降を可能とし、乗車者の座位姿勢を保ち、平地走行時と同様に階段や坂道の昇降時においても安定姿勢での運転操作を可能とした。また、足掛部を上下動可能とし、電動車椅子の乗降時は走路面に着地させ、路面歩行と同様の状態での乗降車を可能とした、これまで介添者を必要とした外出を単独にて可能とした、電動車椅子を提供することを目的としたものである。   The present invention is intended to solve the problems of such a conventional configuration. The parts that are fixedly integrated with the vehicle body part are separated from the vehicle body part and the wheel part. By constructing the parts individually, collecting and connecting them, the flat ground can be raised and lowered on the stairs and slopes from the beginning, keeping the rider's sitting posture, even when going up and down the stairs and slopes as well as running on flat ground Driving operation in a stable posture is possible. In addition, the footrest part can be moved up and down, landing on the running road surface when getting on and off the electric wheelchair, and getting on and off in the same state as walking on the road is possible, so far outside the need for an attendant The purpose is to provide an electric wheelchair that is possible.

本発明によれば上記目的は請求項1記載の、電動車椅子の構成部品の基礎となる車体と、前記車体を左右及び中央の三箇所に区分けし中心部に設置した座席部と、前記座席部の左右両側に設置し各個別に制御可能とした駆動部と、前記駆動部の駆動を掌る駆動モータ内蔵の主輪と、前記駆動部を左右両側で内包する形の駆動部ガイドボックスと、前記駆動部及び前記主輪を貫き前記駆動部ガイドボックスの内面に接続する主輪軸と、前記駆動部ガイドボックスの内側面に主輪軸を支える加工をした主輪軸設置孔と、前記駆動部ガイドボックスの上部に取付け前記座席部内面上部に貫通設置した座席基台吊軸と、前記駆動部の主輪を補助する前及び後補助輪と、前記前及び後補助輪の走行中の変動を規制する前及び後補助輪上下用装置と、前記前及び後補助輪上下用装置を連結連動する接続稼動軸と、前記駆動部ガイドボックスの内面に加工溝により前及び後補助輪の円滑な作動を導き接続稼動軸の動作範囲及び車椅子の階段や坂道の登攀仰角能力を定める接続稼動軸ガイド溝と、同じく前記駆動部ガイドボックの内側両面には前記車体の前後変動防止装置を取付る上部小輪ベース及び下部小輪ベースと、前記車体の外面両側には車体の横方向への転倒防止に横転倒防止装置を用い安定姿勢での利用と安全性確保に対応できる電動車椅子、によって達成することができる。   According to the present invention, the object described above is the vehicle body serving as the basis of the components of the electric wheelchair according to claim 1, the seat portion in which the vehicle body is divided into three portions, left, right, and center, and installed at the center, and the seat portion A drive unit that is installed on both the left and right sides of the drive unit, can be individually controlled, a main wheel with a built-in drive motor that controls the drive unit, and a drive unit guide box that includes the drive unit on both the left and right sides, A main wheel shaft that passes through the drive unit and the main wheel and is connected to the inner surface of the drive unit guide box, a main wheel shaft installation hole that is processed to support the main wheel shaft on an inner surface of the drive unit guide box, and the drive unit guide box A seat base suspension shaft that is attached to the upper part of the seat part and penetrates the upper part of the inner surface of the seat part, front and rear auxiliary wheels that assist the main wheel of the drive unit, and fluctuations during travel of the front and rear auxiliary wheels are regulated. Front and rear auxiliary wheel lifting and lowering devices; And a connecting operation shaft that links and interlocks the device for raising and lowering the rear auxiliary wheel, and a working groove on the inner surface of the drive unit guide box to guide the smooth operation of the front and rear auxiliary wheels, and the operating range of the connection operating shaft and the stairs and slopes of the wheelchair The connecting operation shaft guide groove that determines the climbing and elevation angle ability of the vehicle, and the upper and lower small wheel bases on which both the front and rear fluctuation prevention devices of the vehicle body are mounted on both inner surfaces of the drive unit guide box, both sides of the outer surface of the vehicle body This can be achieved by an electric wheelchair that can be used in a stable posture and ensure safety by using a lateral fall prevention device to prevent the vehicle body from falling laterally.

上記目的を達成するため、駆動部の具体的特長として請求項2記載の、前記駆動部の駆動モータを内包した主輪と、前記主輪の前後に配置し平地走行時及び坂道や階段の昇降時の補助を行う前及び後補助輪を連結制御し前記主輪の左右及び前記主輪軸の前後に配置した前及び後補助輪連結バーと、前記前及び後補助輪上下用装置を連結し装置の円滑な作動を導く接続稼動軸と、階段登攀に際して前記前補助輪を階段の始まりを乗り越える高さまで引上げ階段の登攀開始を可能とする前補助輪引上モータ及び前補助輪引上ワイヤーと、前記主輪及び前記前及び後補助輪を連結及び連動するクローラベルト式タイヤと、前記クローラベルト式タイヤの変形による緩みや逸脱による空転の排除に常にテンションを加える前及び後タイヤ締付器と、平地走行時及び階段昇降時の走行開始時及び停止時における
変動を抑制する機構の基礎となる前記主輪の両側面に結着した外周歯車付主輪棚リブと、前記上部及び下部小輪軸ベースに取付た上部及び下部変動防止器と、前記外周歯付主輪棚リブに設置した上部及び下部変動防止器で構成された車体前後変動防止装置により変動無く発進及び停止が可能な請求項1に記載の電動車椅子、である事を特徴とする。
In order to achieve the above object, as specific features of the drive unit, the main wheel including the drive motor of the drive unit as claimed in claim 2, and the main wheel disposed before and after the main wheel, when traveling on flat ground, and ascending and descending hills and stairs The front and rear auxiliary wheel connecting bars arranged before and after the main wheel and before and after the main wheel shaft are connected and connected to the front and rear auxiliary wheel up-and-down devices. A connecting operation shaft for guiding the smooth operation of the front auxiliary wheel pulling motor and a front auxiliary wheel pulling wire that enable the start of climbing the stairs by raising the front auxiliary wheel to a height over the start of the stairs when climbing the stairs, A crawler belt type tire that connects and interlocks the main wheel and the front and rear auxiliary wheels, and a front and rear tire tightener that always applies tension to eliminate slipping due to looseness and deviation due to deformation of the crawler belt type tire, flat Main wheel shelf ribs with outer peripheral gears that are bound to both sides of the main wheel, which serve as the basis of a mechanism that suppresses fluctuations when starting and stopping when traveling and when going up and down stairs, and the upper and lower small wheel shaft bases The start and stop can be performed without fluctuation by a vehicle body front and rear fluctuation prevention device configured by an upper and lower fluctuation prevention device attached and an upper and lower fluctuation prevention device installed on the outer peripheral toothed main wheel shelf rib. It is characterized by being an electric wheelchair.

上記目的を達成するため、請求項3に記載の、前記座席基台吊軸に吊下げ設置しブランコ効果を発揮する座席基台吊バーと、前記座席基台吊バーに結着し走行時には路面の状態や傾斜に影響されずに垂直及び安定性を保てる座席基台と、前記座席基台に設置した座席と、前記座席基台及び前記座席の間に設置し振動及び衝撃を吸収緩和する緩衝材と、前記座席の先端部に設置し走行状態によっては足部を回転蹴上状態にして路面接触を避ける足掛部連結継手と、前記足掛部連結継手に接続し停車時には足部を走路面に着地させ平地歩行にて乗降可能とし走行時には引上げて走路面接触を避ける足掛プレートと、前記車体の乗車口にして開閉式に設置し運転制御装置を内蔵した運転制御用前テーブルと、前記座席の肘掛及び背面に設置可能としたジョイスティック式の運転レバーにより坂道や階段の走行時に於いても操作が可能となる請求項1に記載の電動車椅子、であることを特徴とする。   In order to achieve the above object, the seat base suspension bar according to claim 3 that is suspended from the seat base suspension shaft and exhibits a swing effect, and the road surface that is bound to the seat base suspension bar and travels when traveling. A seat base that can maintain vertical and stability without being affected by the state or inclination of the seat, a seat installed on the seat base, and a buffer that is installed between the seat base and the seat to absorb and reduce vibration and shock And a foot-joint joint that is installed at the tip of the seat and depending on the running state to prevent the road surface from coming into contact with the foot by rotating it up, and connected to the foot-joint joint so that the foot can run when the vehicle stops. A foot plate that can be landed on the road surface and can be boarded and alighted by walking on a flat surface and pulled up to avoid contact with the road surface during traveling, a front table for operation control with a built-in operation control device installed in an openable manner as the entrance of the vehicle body, It can be installed on the armrest and back of the seat. Characterized in that even at the joystick-type operation lever during travel of the slope and stairs is an electric wheelchair, according to claim 1, operation becomes possible.

本発明の電動車椅子は、以上のように構成されており次のような効果を得るこ とができる。従来の車椅子のように車体と車軸を固定せず請求項1に記載のとおり車体と座席と駆動部を個別に構築し接続部分の可動を可能としてクローラベルト式タイヤを採用したことにより平面はもとより階段や坂道の昇降や未舗装の走行路面の状態に係らず良好な走行ができるようになる。なお座席を吊下げブランコ効果を採用して階段や坂道においても乗車者の座位姿勢を平地走行と同様な姿勢に保ち、運転操作が容易になり、乗車者に与える不安定感の排除ができ、歩行弱者に取ってより安全性が高く安心感の持てる車椅子
を提供できる。
The electric wheelchair of the present invention is configured as described above and can obtain the following effects. The vehicle body and the axle are not fixed as in a conventional wheelchair, and the crawler belt type tire is adopted so that the vehicle body, the seat, and the drive unit are individually constructed and the connecting portion can be moved as described in claim 1. Good driving is possible regardless of the state of stairs and hills, and the condition of unpaved road surfaces. In addition, the seat is suspended and the swing effect is used to maintain the rider's sitting posture on stairs and slopes in the same manner as driving on flat ground, driving operation becomes easy, and the unstable feeling given to the rider can be eliminated. It is possible to provide a wheelchair that is safer and more secure for people with weak walking.

更に、従来車椅子の足掛部分は高さを固定されて回転のみで有り、乗車者が座席に着座後に足を自身で、又は介添え者の手助けで引上げなければならない、本発明の車椅子では座席と連結した足掛プレートを上下動可能にしてあり、乗降車時には走行路面に下し、着座後は引上げる調整ができ、乗車者は平地歩行状態で乗降が可能となり、乗車時の足引き上げ動作の負担を軽減できる。又、走行時には足掛部の側面に設置された足掛部位置変更器のレバー操作により、足掛プレートを前方上方向へ蹴り上げ状態に回転移動を行う事が可能にして有り、走行路面との距離を空け障害物との衝突の障害を予防できる、これにより乗降車時及び走行時には乗車者の障害防止と負担軽減を可能とした車椅子を提供できる。   Furthermore, the footrest part of the wheelchair of the conventional wheelchair has a fixed height and is only rotated, and the rider has to lift his / her foot himself / herself or with the assistance of the attendant after sitting on the seat. The connected foot plate can be moved up and down, and when it gets on and off, it can be lowered on the road surface, and it can be lifted up after sitting, and the rider can get on and off while walking on flat ground, The burden can be reduced. In addition, it is possible to rotate the footrest plate in a state where the footrest plate is lifted up forward by the lever operation of the footrest position changer installed on the side surface of the footrest during traveling. Thus, it is possible to provide a wheelchair that can prevent the obstacle of the passenger and reduce the burden when getting on and off and traveling.

本発明の電動車椅子の正面図であり、断面A-Aは図3、断面B-Bは図11、及び矢視C-Cは図40に示す。FIG. 4 is a front view of the electric wheelchair according to the present invention, in which section AA is shown in FIG. 3, section BB is shown in FIG. 11, and arrow CC is shown in FIG. 同上右側面図であり、断面A-Aは図4、及び矢視B-Bは座席部分のみの正面図として図12に示す。FIG. 4 is a right side view of the same as above, and a cross-section AA is shown in FIG. 4 and an arrow BB is shown in FIG. 12 as a front view of only the seat portion. 図1のA-A断面図で有り、座席部右側面断面詳細図である。It is AA sectional drawing of FIG. 1, and is a cross-sectional detail drawing of the right side surface of a seat part. 図2のA-A断面図で有り、駆動部の駆動部ガイドボックスへの内包状態及び全体相関断面図を示す。It is AA sectional drawing of FIG. 2, and the inclusion state to the drive part guide box of a drive part and a whole correlation sectional view are shown. 車体の正面図であり、中心部分は座席部設置場所、両側部分は駆動部設置場所(駆動部ガイドボックス)、断面A-Aは図9、及び断面B-Bは図10に示す。It is a front view of a vehicle body, the central part is a seat part installation place, both side parts are drive part installation places (drive part guide boxes), section AA is shown in FIG. 9, and section BB is shown in FIG. 車体の平面図である。It is a top view of a vehicle body. 車体の右側面図であり、断面A-Aは図8に示す。FIG. 8 is a right side view of the vehicle body, and a cross section AA is shown in FIG. 図7のA-A断面図であり、駆動部ガイドボックス内側面のガイド溝加工を始めとした各加工部分の断面図である。FIG. 8 is a cross-sectional view taken along line AA in FIG. 7, and is a cross-sectional view of each processing portion including guide groove processing on the inner surface of the drive unit guide box. 図5のA-A断面図であり、車体左内側面図である。FIG. 6 is a cross-sectional view taken along the line AA in FIG. 5 and is a left inner side view of the vehicle body. 図5のB-B断面図であり、右側駆動部ガイドボックスの内側面及び溝等の加工正面図である。FIG. 6 is a cross-sectional view taken along the line B-B in FIG. 5, and is a front view of processing the inner side surface and grooves of the right drive unit guide box. 図1のB-B断面図で有り、座席基台吊バーと座席の相関詳細図である。FIG. 2 is a cross-sectional view taken along the line B-B in FIG. 1 and is a detailed view of the correlation between the seat base suspension bar and the seat. 図2B-B矢視の座席部のみの正面図であり、足掛部は図14に表す。FIG. 2B is a front view of only the seat portion as seen from the arrow B-B, and the footrest portion is shown in FIG. 図11の座席部のみの右側面図である。It is a right view of only the seat part of FIG. 図11の座席部の足掛部のみの正面図であり、図は乗降時位置である。It is a front view of only the footrest part of the seat part of FIG. 11, and a figure is a boarding position. 図11の座席部の足掛部右側面図であり、図は乗降時位置である。It is a footrest part right view of the seat part of FIG. 11, and a figure is a boarding position. 図11の座席部の足掛部右側面図であり、図は平地走行時における足掛部の回転蹴上状態位置図である。FIG. 12 is a right side view of the footrest portion of the seat portion of FIG. 11, and the figure is a position diagram of the rotationally raised state of the footrest portion when traveling on a flat ground. 足掛部の簡易状態説明図である、右側面より見た状態図であり、乗降車時の足掛部位置図である。It is a state figure seen from the right side surface which is a simple state explanatory view of a footrest part, and is a footrest part position figure at the time of getting on and off. 足掛位置変更器のレバー位置図であり、A位置は平地走行時、B位置は坂や階段等傾斜地の走行時位置である。It is a lever position figure of a footrest position change machine, A position is the time at the time of driving on slope ground, such as a slope and a staircase, and B position is at the time of flat ground driving. 足掛部の簡易状態説明図である、平地走行時の足掛部位置図であるIt is a simplified state explanatory diagram of the footrest, and is a position diagram of the footrest when running on flat ground 平地走行時の足掛位置変更器のレバー位置図であり、A位置にある。It is a lever position figure of the footrest position change device at the time of flat ground traveling, and is in the A position. 足掛部の簡易状態説明図である、階段走行開始時の足掛部位置図である。It is a simple state explanatory drawing of a footrest part, and is a footrest part position figure at the time of stairs run start. 階段走行開始時の足掛位置変更器のレバー位置図であり、B位置にある。It is a lever position figure of the footrest position change device at the time of the start of stairs running, and is in the B position. 駆動部の平面図であり、矢視A-Aは図30及び図32に示す。It is a top view of a drive part, and arrow AA is shown in FIG.30 and FIG.32. 駆動部の右側面図であり、断面A-Aは図25に、断面B-Bは図26に、断面C-Cは図27に示し、断面C`-C`は図27と同様であり兼ねる。FIGS. 25A and 25B are right side views of the drive unit. FIG. 25 shows a cross section AA, FIG. 26 shows a cross section BB, FIG. 27 shows a cross section C-C, and cross section C`-C` is the same as FIG. 図24のA-A断面図であり、駆動部の相関断面図である。It is AA sectional drawing of FIG. 24, and is correlation sectional drawing of a drive part. 図24のB-B断面図であり、主輪と駆動モータ及びクローラベルト式タイヤと又、前連結バー及び後連結バーの相関断面図である。FIG. 25 is a cross-sectional view taken along the line B-B of FIG. 24, and is a cross-sectional view of the main wheel, the drive motor, the crawler belt type tire, and the front connection bar and the rear connection bar. 図24のC-C及びC`-C`兼用断面図であり、前補助輪と前連結バー及び後補助輪と後連結バーとクローラベルト式タイヤの相関断面図である。FIG. 25 is a cross-sectional view taken along C-C and C`-C` of FIG. 24, and is a cross-sectional view of the front auxiliary wheel, the front connection bar, the rear auxiliary wheel, the rear connection bar, and the crawler belt type tire. 主輪・前補助輪連結バーの平面図及びA-A断面図である。It is a top view and AA sectional view of a main wheel / front auxiliary wheel connection bar. 主輪・後補助輪連結バーの平面図及びA-A断面図である。It is the top view and AA sectional view of a main wheel / rear auxiliary wheel connection bar. 図23の右側面図及びA-A矢視図である、主輪・前補助輪連結バー及び主後補助輪連結バーに設置したタイヤ締付装置の状態図であり、常時締め付け、主輪の空転やタイヤの逸脱防止を図る通常状態の作動図である。FIG. 24 is a state diagram of the tire tightening device installed on the main wheel / front auxiliary wheel connecting bar and the main rear auxiliary wheel connecting bar, which is a right side view of FIG. 23 and an AA arrow view, FIG. 3 is an operation diagram in a normal state for preventing tire deviation. 図30の左正面図、図30のA-A矢視断面図であり、タイヤ締付装置と前補助輪連結バーとの取付相関図であり、通常時の作動図である。FIG. 30 is a left front view of FIG. 30 and a cross-sectional view taken along the line AA of FIG. 30, a correlation diagram of attachment between the tire tightening device and the front auxiliary wheel connecting bar, and an operation diagram in a normal state. 図30と同様、タイヤ締付装置の締付時の作動図である。FIG. 31 is an operation diagram at the time of tightening of the tire tightening device as in FIG. 30. 図31と同様、図32のA-A矢視断面であり、タイヤ締付装置の締付作動図である。FIG. 33 is a cross-sectional view taken along the line AA in FIG. 32, similar to FIG. 31, and is a tightening operation diagram of the tire tightening device. 図1D-D矢視断面図であり、平地走行時の前・後補助輪上下用装置と前・後補助輪連結バー及び引上モータ関連の簡易右側面図である。また断面A-Aは図38及び図39に示す。1D is a cross-sectional view taken along the arrow D-D, and is a simplified right side view related to the front / rear auxiliary wheel lifting / lowering device, front / rear auxiliary wheel connecting bar, and pulling motor when traveling on flat ground. FIG. Section AA is shown in FIGS. 図34と同様であるが、階段走行の開始前に引上モータ及びワイヤーで前補助輪を初段の踏破位置まで引上げ、昇段準備完了の状態図である。It is the same as FIG. 34, but before starting the staircase running, the front auxiliary wheel is pulled up to the first stepping position by the pulling motor and the wire, and the stage preparation is completed. 図34と同様であるが、前及び後補助輪上下用装置にて補助輪の着地を確実にして、階段を登攀途中の状態図である。It is the same as FIG. 34 but is a state diagram in the middle of climbing the stairs with the landing of the auxiliary wheel being ensured by the front and rear auxiliary wheel raising / lowering devices. 図34と同様であるが、階段の登攀完了の状態図である。It is the same as FIG. 34, but is a state diagram of climbing completion of stairs. 車椅子の平面図である、中央部は座席の平面図、両側は駆動部を内包した駆動部ガイドボックスで、図34のA-A断面で前・後補助輪上下用装置の接続状態を示す。FIG. 34 is a plan view of the wheelchair. The central portion is a plan view of the seat, the both sides are drive portion guide boxes containing the drive portion, and the connection state of the front and rear auxiliary wheel lifting and lowering devices is shown in the AA cross section of FIG. 図38の駆動部ガイドボックス片側の拡大図である、前・後補助輪上下用装置が前・後補助輪連結バーに通し軸にて連結され、且つ接続稼動軸に連結されて連動可能としている。38 is an enlarged view of one side of the drive unit guide box of FIG. 38, and the front / rear auxiliary wheel raising / lowering device is coupled to the front / rear auxiliary wheel coupling bar by a through shaft, and is coupled to a connection operation shaft so as to be interlocked. . 図1C-C矢視であり、変動防止装置の正面図である、なお、断面A-Aは図41に示す。1C-C is a front view of the fluctuation preventing apparatus, and a cross-section AA is shown in FIG. 図40A-A断面図であり、主輪と駆動部ガイドボックスの下方内側面に取付けた変動防止装置との組合せ相関図である。FIG. 40A is a cross-sectional view of FIG. 40A-A, and is a combination correlation diagram of the main wheel and the fluctuation preventing device attached to the lower inner surface of the drive unit guide box. 図1を正面より見た状態図であり、横方向傾斜地を走行時に許容傾斜最大角度を越え、横転途中で横転倒防止装置が作動し停止の状態図である。FIG. 2 is a state diagram when FIG. 1 is viewed from the front, and is a state diagram in which the overturning prevention device is activated and stopped in the middle of the rollover, exceeding the allowable maximum tilt angle when traveling on a laterally inclined land. 同上の状態が下り坂で横倒れ防止装置が作動した状態図であり、横転倒防止用支柱の横転倒防止ガイドバーが斜面に確実な着地の状態図である。It is a state diagram in which the state of the above is a downhill and the side-fall prevention device is operated, and the side-falling prevention guide bar of the side-falling-preventing support column is a state diagram of reliable landing on the slope. 電動車椅子の全体の斜視俯瞰図である。It is a perspective top view of the whole electric wheelchair.

以下、本発明の実施の形態を図1〜図44を用いて詳述する。本実施例の電動車椅子(以下車椅子)の図は全体を現す図として図1〜図4に示し、次に車体部分を図5〜図10に示し、次に座席部分を図11〜図22に示し、次に駆動部分を図23〜図43に示し、図44は全体の斜視俯瞰図である、なお、車体10と座席部20と駆動部40の夫々を個々に構築し、組織し、結 合する事により車椅子を構成している。   Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. The electric wheelchairs (hereinafter referred to as wheelchairs) of the present embodiment are shown in FIGS. 1 to 4 as overall views, the vehicle body part is shown in FIGS. 5 to 10, and the seat part is next shown in FIGS. Next, the drive portion is shown in FIGS. 23 to 43, and FIG. 44 is an overall perspective overhead view. The vehicle body 10, the seat portion 20, and the drive portion 40 are individually constructed, organized, and connected. A wheelchair is formed by joining.

図1は車椅子の正面図、図2は同右側面図、図3は図1のA-A断面側面図、図4は図2の正面A-A断面図であり、以上は本発明の車椅子の全体を示した。   1 is a front view of a wheelchair, FIG. 2 is a right side view thereof, FIG. 3 is a side view of AA cross section of FIG. 1, FIG. 4 is a front cross sectional view of AA of FIG. It was.

車椅子の基本構成部分で有る車体10について実施の形態を説明する。図5は車椅子の車体10の正面図であり3ヶ所に区分けがしてある、図の中央部分は座席部20の設置箇所であり、車椅子の乗降車口にして車体10の歪み等の防止を目的に噛合せ接続支持した車体前接続扉15-1を設け、開閉式にして乗車者の乗降を容易に可能としてある、座席部20設置箇所の両側には駆動部40の内包設置箇所である駆動部ガイドボックス(以下ガイドボックス)11が結着してある、なお、断面A-Aは図9に又、断面B-Bは図10に示す。
図6は車体の平面図であり、中央部分は座席部20の設置箇所である、更に中央部分の両側内壁面には座席基台吊軸12が結着してある。
An embodiment of a vehicle body 10 that is a basic component of a wheelchair will be described. FIG. 5 is a front view of the vehicle body 10 of the wheelchair, which is divided into three locations. The central part of the figure is the installation location of the seat portion 20 and serves as a wheelchair entrance / exit to prevent distortion of the vehicle body 10. A vehicle body front connection door 15-1 that is meshed and supported for the purpose is provided, and it is openable so that passengers can easily get on and off. A drive section guide box (hereinafter referred to as a guide box) 11 is bound. The section AA is shown in FIG. 9 and the section BB is shown in FIG.
FIG. 6 is a plan view of the vehicle body, in which the central portion is a place where the seat portion 20 is installed, and seat base suspension shafts 12 are attached to inner wall surfaces on both sides of the central portion.

図7は車体10の右側面図であり、断面A-Aは図8に示す。
図8は図7の断面A-Aであり、両側のガイドボックス11の内壁面には前補助輪上下用装置51と後補助輪上下用装置52(以下前及び後上下用装置51・52)の接続稼動軸(以下接続軸)53の稼動範囲の案内と、駆動部40の階段登攀仰角の作動範囲を定める接続稼動軸ガイド溝14(以下ガイド溝)が加工してあり、ガイドボクス11の上部には座席基台吊軸12を結着し座席部20の設置場所に貫通し設置している、又、内側部の下方には車体10と駆動部40を繋ぐ主輪軸42の主輪軸設置孔13が設けてある、又、ガイドボックスの両内側部壁面には上部変動防止器60-1を設置する上部小輪軸ベース62と下部変動防止器60-2を設置する下部小輪軸ベース66が結着加工されている。
FIG. 7 is a right side view of the vehicle body 10, and a cross section AA is shown in FIG.
FIG. 8 is a cross-sectional view AA of FIG. 7, and a front auxiliary wheel lifting device 51 and a rear auxiliary wheel lifting device 52 (hereinafter referred to as front and rear lifting devices 51, 52) are connected to the inner wall surfaces of the guide boxes 11 on both sides. A connection working shaft guide groove 14 (hereinafter referred to as a guide groove) that defines the working range of the working shaft (hereinafter referred to as the connecting shaft) 53 and the working range of the stair climbing elevation angle of the drive unit 40 is machined. The seat base suspension shaft 12 is bound and installed at the installation location of the seat portion 20, and the main wheel shaft installation hole 13 of the main wheel shaft 42 connecting the vehicle body 10 and the drive unit 40 is provided below the inner portion. The upper small wheel shaft base 62 for installing the upper fluctuation preventing device 60-1 and the lower small wheel shaft base 66 for installing the lower fluctuation preventing device 60-2 are attached to both inner wall surfaces of the guide box. Has been processed.

図9は図5の断面A-Aであり、車体の中央部分の縦断面図を示す、座席部20の設置場所であり、上部には座席基台吊軸12が結着され、前方には開閉式の乗降車口で車体の歪みの防止を目的に噛合せ接続した車体前接続扉15-1がある。
図10は図5の断面B-Bであり、ガイドボックス11の内側面図である、図8の断面図においても示したが前及び後上下用装置51・52を接続する接続稼動軸53のガイド溝14の正面図、及び上部変動防止器60-1の上部小輪軸ベース62と下部変動防止器60-2の下部小輪軸ベース66の各加工正面図である。
FIG. 9 is a cross-sectional view AA of FIG. 5, which shows a longitudinal cross-sectional view of the center portion of the vehicle body, and is a place where the seat portion 20 is installed. There is a vehicle body front connection door 15-1 that is meshed and connected at the entrance of the vehicle for the purpose of preventing distortion of the vehicle body.
FIG. 10 is a cross-sectional view BB of FIG. 5, which is an inner side view of the guide box 11, and is also shown in the cross-sectional view of FIG. 8, but the guide groove of the connection operating shaft 53 that connects the front and rear vertical devices 51 and 52. 14 are front views of the upper small wheel shaft base 62 of the upper variation preventer 60-1 and processing front views of the lower small wheel shaft base 66 of the lower variation preventer 60-2.

車椅子の座席部20について実施の形態を説明する。
図11は図1のB-B断面図であり、車体10と座席部20との相関を示し、座席部20が座席基台吊バー21により支持されている。
図12は図2B-B矢視の座席部20のみの正面図であり、座席25には肘掛26と運転制御用前テーブル28と運転レバー27と緩衝材24及び座席基台22で構成している、なお運転レバー27は介添え者が運転代行可能に座席25にも取付け可能として有り、座席基台22にはバッテリー23と横転倒防止用警報器73が設置されている。
図13は図12の座席部20のみの側面図であり、車体10の中央上部に設置した座席基台吊軸12を介して、乗車者の座位姿勢をブランコ効果で水平に保つための座席基台吊バー21と座席基台22及び緩衝材24を介して座席25が設置されている。
An embodiment of the wheelchair seat 20 will be described.
FIG. 11 is a cross-sectional view taken along the line BB of FIG. 1, showing the correlation between the vehicle body 10 and the seat portion 20, and the seat portion 20 is supported by a seat base suspension bar 21.
FIG. 12 is a front view of only the seat portion 20 as viewed in FIG. 2B-B. The seat 25 is composed of an armrest 26, a front table 28 for operation control, an operation lever 27, a cushioning material 24, and a seat base 22. The driving lever 27 can be attached to the seat 25 so that an attendant can perform driving, and the seat base 22 is provided with a battery 23 and an alarm device 73 for preventing overturning.
FIG. 13 is a side view of only the seat portion 20 of FIG. 12, and a seat base for keeping the seating posture of the rider horizontal by the swing effect via the seat base suspension shaft 12 installed at the upper center of the vehicle body 10. A seat 25 is installed via a base suspension bar 21, a seat base 22 and a cushioning material 24.

図14は足掛部30のみの正面図であり、足掛部30は座席25に結着した足掛部連結継手(以下継手)31を介して接続してある、走行時に足を乗せる足掛プレート(以下プレート)35の両端に結着したメスネジ軸34と継手31に結着し座席25の左右に配置してあるオスネジ軸33を組合せ、足掛部用ネジ軸駆動モータ32にてオスネジ軸33を正逆転し伸縮させる。
図15は足掛部30の側面図であり、プレート35を走行路面に下ろし、乗車者の乗降時の状態位置を示す。
図16は足掛部30の平地走行時の状態図であるが、プレート35と縮めたオ
ス・メスネジ軸33・34を足掛部位置変更器(以下変更器)36を介して回転蹴上げ状態に変更器レバー(以下レバー)38にて位置固定して走行する。なお回転蹴上げ状態を確保するには座席と足掛部30の接続部分の継ぎ手31に結着した変更器36には3箇所の切欠きを設けてあり、レバー38にて座席位置固定具37を噛合せ、路面状態により3段階に設定可能である。
FIG. 14 is a front view of only the footrest 30, and the footrest 30 is connected via a footrest coupling joint (hereinafter referred to as a joint) 31 that is attached to the seat 25. A female screw shaft 34 attached to both ends of a plate (hereinafter referred to as a plate) 35 and a male screw shaft 33 attached to the joint 31 and arranged on the left and right sides of the seat 25 are combined, and a male screw shaft is driven by a foot shaft screw shaft drive motor 32. 33 is expanded and contracted forward and backward.
FIG. 15 is a side view of the footrest 30 and shows the state position when the rider gets on and off the plate 35 with the plate 35 lowered onto the road surface.
FIG. 16 is a state diagram when the footrest 30 is running on a flat ground, and the plate 35 and the contracted male / female screw shafts 33, 34 are put into a rotationally raised state via a footrest position changer (hereinafter, changer) 36. The position is fixed by a changer lever (hereinafter referred to as a lever) 38 and the vehicle travels. In order to secure the rotating kick-up state, the changer 36 attached to the joint 31 of the connecting portion of the seat and the footrest 30 is provided with three notches, and the lever 38 is used to attach the seat position fixture 37. It can be set in three stages depending on the meshing and road surface conditions.

図17から図22は各走行状態でのプレート35位置とレバー38位置の関係
を示す。
図17と図18は停車時の足掛部と変更器の状態位置関係図である。
図19と図20は平地走行時の足掛部と変更器の状態位置関係図である。
図21と図22は昇段開始時の足掛部と変更器の状態位置関係図であるが階段走行中のレバー38は昇段終了時まで同位置にて行う。
17 to 22 show the relationship between the position of the plate 35 and the position of the lever 38 in each traveling state.
FIG. 17 and FIG. 18 are diagrams showing the positional relationship between the footrest and the changer when the vehicle is stopped.
FIG. 19 and FIG. 20 are state-position relationship diagrams of the footrest and the changer when traveling on flat ground.
FIG. 21 and FIG. 22 are diagrams showing the state and positional relationship between the footrest and the changer at the start of ascending, the lever 38 during the stair running is kept at the same position until the end of ascending.

電動車椅子の駆動部40について実施の形態を説明する。
図23は駆動部40の平面図であり、A-A矢視図は図30、図32に示す。
図24は駆動部40の右側面図であり、断面A-Aは図25に示す、断面B-Bは図26に、又、断面C-Cは図27に示すが、断面C’-C’は図27に兼用とし省略。
図25は図24のA-A断面図であり駆動部40の平面断面図である、駆動モータ43内蔵の主輪41と主輪軸42と前及び後補助輪44・46が前補助輪連結バー45(以下前連結バー)及び後補助輪連結バー47(以下後連結バー)により連結しタイヤ48との相関断面図であり、構成部品全体の相互関係図である。
図26は図24のB-B断面図であり、駆動モータ43内蔵の主輪41と主輪軸42と前補助輪連結バー45(以下前連結バー)及び後補助輪連結バー47(以下後連結バー)により支持されタイヤ48との相関断面図である。
An embodiment of the drive unit 40 of the electric wheelchair will be described.
FIG. 23 is a plan view of the drive unit 40, and the AA arrow view is shown in FIGS.
24 is a right side view of the drive unit 40. The section AA is shown in FIG. 25, the section BB is shown in FIG. 26, and the section CC is shown in FIG. 27, but the section C′-C ′ is also used in FIG. And omitted.
FIG. 25 is a cross-sectional view taken along the line AA in FIG. 24 and is a plan sectional view of the drive unit 40. The main wheel 41, the main wheel shaft 42, the front and rear auxiliary wheels 44 and 46 built in the drive motor 43 are connected to the front auxiliary wheel connecting bar 45 ( FIG. 4 is a cross-sectional view of the correlation between the front connection bar) and the rear auxiliary wheel connection bar 47 (hereinafter referred to as the rear connection bar) and the tire 48, and is a correlation diagram of the entire components.
FIG. 26 is a cross-sectional view taken along the line BB of FIG. 24. The main wheel 41, the main wheel shaft 42, the front auxiliary wheel connecting bar 45 (hereinafter referred to as front connecting bar) and the rear auxiliary wheel connecting bar 47 (hereinafter referred to as rear connecting bar). 5 is a cross-sectional view of the correlation with the tire 48 supported by the tire.

図27は図24のC-C断面図であり、後補助輪46と左右の後連結バー47及び後補助輪軸46-1と後補助輪連結バー通し軸46-2とタイヤ48の相関断面図であり、なお図24のC’-C’断面図は前補助輪44と左右の前補助輪連結バー45及び前補助輪軸44-1と前連結バー通し軸44-2(以下前・後通し軸)とタイヤ48の相関断面図であるが、図27と同様図のため省略した。
図28は前連結バー45の平面図とA-A断面図である、中空部分は前タイヤ締付器49-1の設置場所であり、前連結バー45は主輪41と前補助輪44の左右両側に配置し左右各々は対称で同様形状であり図示は片側にとどめた。
図29は後連結バー47の平面図とA-A断面図である、中空部分は後タイヤ締付器49-2の設置場所であり、後連結バー47は主輪41と後補助輪46の左右両側に配置し左右各々は対称で同様形状であり図示は片側にとどめた。なお電動車椅子の駆動部40は図23から図29の各部品にて構成し、主輪軸42を中心に構築されておりガイドボックス11に内包設置されている。
FIG. 27 is a cross-sectional view taken along the CC line in FIG. 24, and is a cross-sectional view of the rear auxiliary wheel 46, the left and right rear connection bars 47, the rear auxiliary wheel shaft 46-1, the rear auxiliary wheel connection bar through shaft 46-2, and the tire 48. 24 is a sectional view taken along the line C′-C ′ of FIG. 24. The front auxiliary wheel 44, the left and right front auxiliary wheel connecting bars 45, the front auxiliary wheel shaft 44-1, and the front connecting bar through shaft 44-2 (hereinafter referred to as front and rear through shafts). Is a correlation cross-sectional view of the tire 48 and is omitted because it is the same as FIG.
FIG. 28 is a plan view and a cross-sectional view taken along the line AA of the front connection bar 45. A hollow portion is a place where the front tire tightener 49-1 is installed, and the front connection bar 45 includes both the left and right sides of the main wheel 41 and the front auxiliary wheel 44. The left and right sides are symmetrical and have the same shape, and the illustration is limited to one side.
FIG. 29 is a plan view and a cross-sectional view taken along the line AA of the rear connection bar 47. The hollow portion is a place where the rear tire tightener 49-2 is installed, and the rear connection bar 47 is on both the left and right sides of the main wheel 41 and the rear auxiliary wheel 46. The left and right sides are symmetrical and have the same shape, and the illustration is limited to one side. The drive unit 40 of the electric wheelchair is composed of the components shown in FIGS. 23 to 29, is built around the main wheel shaft 42, and is included in the guide box 11.

図30は図23のA-A矢視図であるが、タイヤ48の逸脱や緩みによる空転などの走行不能状態発生防止のため常時押付力を加える前タイヤ締付器49-1及び後タイヤ締付器49-2の取付け状態を示し、図30のA-A断面図は図31に示すが左右の前タイヤ締付器49-1の右側のみを示し、左側および後タイヤ締付器49-2の左右も同様であり代表図として示し他は省略した。
図31は図30の左側面よりの正面図であり、前タイヤ締付器49-1と前連結バー45及びタイヤ48の相関図である、
図32は図30の前タイヤ締付器49-1及び後タイヤ締付器49-2にて、タイヤ48に常時押付力を加えているが、緩みが生じた場合の動作状態を示す。
FIG. 30 is a view taken along the line AA in FIG. 23. The front tire tightener 49-1 and the rear tire tightener that always apply a pressing force to prevent the inability to run such as slipping due to deviation or looseness of the tire 48. 30 shows a mounting state of 49-2, and the AA sectional view of FIG. 30 shows only the right side of the left and right front tire tighteners 49-1 shown in FIG. The same is shown as a representative diagram, and the others are omitted.
FIG. 31 is a front view from the left side of FIG. 30, and is a correlation diagram of the front tire tightener 49-1, the front connection bar 45, and the tire 48.
FIG. 32 shows an operation state in the case where the tire 48 is constantly pressed with the front tire clamp 49-1 and the rear tire clamp 49-2 of FIG.

図33は図31と同様に図32の左側面よりの正面図である。
図34は図1のD-D矢視断面図であり、平地走行の状態図であるがガイドボックス11の内面加工や組付け等の相互関係図であり、前及び後上下用装置51・52と前及び後連結バー45・47に接続された駆動部40の相関断面図である、なお前及び後上下用装置51・52は接続軸53にて連結され、接続軸53はガイドボックス11の内側面を加工したガイド溝14を走行し、接続軸53の円滑な稼動を図り、坂道や階段の走行時に駆動部40の登攀仰角の動作範囲を定め、急角度の登攀を抑制し前後への転倒等の危険防止を図っている。
FIG. 33 is a front view from the left side of FIG. 32 as in FIG.
34 is a cross-sectional view taken along the arrow DD in FIG. 1 and is a state diagram of traveling on a flat ground, but is an interrelation diagram such as inner surface processing and assembly of the guide box 11, and the front and rear up and down devices 51 and 52 and the front FIG. 6 is a cross-sectional view of the drive unit 40 connected to the rear connection bars 45 and 47. The front and rear upper and lower devices 51 and 52 are connected by a connection shaft 53, and the connection shaft 53 is an inner surface of the guide box 11. The guide shaft 14 is processed so that the connecting shaft 53 operates smoothly, the operating range of the climbing elevation angle of the driving unit 40 is determined when traveling on a hill or staircase, the sudden climbing is suppressed, and the vehicle falls over We are trying to prevent danger.

又、走行中において図32で示したように常時タイヤ48に緩み防止の押付力を加え続けた場合、タイヤ48の反発力によって収縮しようとして、前及び後補助輪44・46が浮上する要因となる可能性があり、それを防止するために、ガイドボックス11に前及び後上下用装置51・52を設け、前記上下用装置に連結された前及び後連結バー45・47を介して常時下方向への圧力を加え、加えて車体の重量により浮上力が相殺されて、安定走行が可能となる。   In addition, as shown in FIG. 32, when the tire 48 is continuously applied with a pressing force for preventing loosening during traveling, the front and rear auxiliary wheels 44 and 46 are caused to float by the repulsive force of the tire 48. In order to prevent this, the guide box 11 is provided with front and rear up-and-down devices 51 and 52, and the guide box 11 is always attached via front and rear connecting bars 45 and 47 connected to the up-and-down device. In addition, the levitation force is offset by the weight of the vehicle body, and stable running is possible.

図35は階段を登る準備の状態図であり、ガイドボックス11の上部には前補助輪引上モータ(以下引上げモータ)54が設置して有り、階段を上る際は準備作業として前連結バー45に連結された前補助輪44を階段の初段を乗り越えられる位置まで前補助輪引上ワイヤー(以下ワイヤー)55にて引上げ、登攀走行を開始する、登攀開始後はワイヤー55を開放し前及び後上下用装置51・52により階段の傾斜に追従して登攀走行する。   FIG. 35 is a state diagram showing preparations for climbing the stairs. A front auxiliary wheel pulling motor (hereinafter referred to as a pulling motor) 54 is installed on the upper portion of the guide box 11. Pull up the front auxiliary wheel 44 connected to the front auxiliary wheel pulling wire (hereinafter referred to as wire) 55 to a position where it can get over the first stage of the stairs, and start climbing. After climbing starts, the wire 55 is opened and before and after Ascend and run by following the slope of the stairs by the vertical devices 51 and 52.

下る際にはワイヤー55は開放済で有るので前補助輪44を下りの始まりに合せ、走行を開始し前補助輪44は前上下用装置51の下方向への加圧力により、階段の傾斜に追従して走行可能となり、これら準備を整え下り走行を行う。
図36は最大許容仰角度の階段を登攀中の状態図であり、前及び後補助輪44・46は前及び後上下用装置51・52により階段傾斜に追従して走行する。
図37は登攀完了の状態図である。
When descending, the wire 55 is already open, so the front auxiliary wheel 44 is adjusted to the start of descending, and traveling is started. The front auxiliary wheel 44 is inclined to the stairs by the downward pressure applied to the front vertical apparatus 51. It is possible to follow and run, and make preparations before going down.
FIG. 36 is a state diagram during climbing the stairs having the maximum allowable elevation angle, and the front and rear auxiliary wheels 44 and 46 follow the stairs inclination by the front and rear up and down devices 51 and 52.
FIG. 37 is a state diagram of climbing completion.

図38は図34のA-A断面図であり、車体10の左右のガイドボックス11とガイド溝14に前及び後上下用装置51・52の接続軸53を介して前及び後連結バー45・47と前及び後通し軸44-2・46-2との連結相関図である。
図39は図38で示した左右一対のガイドボックス11の片方のみを拡大した。
FIG. 38 is a cross-sectional view taken along the line AA of FIG. 34. The front and rear connecting bars 45 and 47 are connected to the left and right guide boxes 11 and the guide grooves 14 of the vehicle body 10 via the connecting shafts 53 of the front and rear up and down devices 51 and 52. It is a connection correlation diagram with front and rear through shafts 44-2 and 46-2.
FIG. 39 is an enlarged view of only one of the pair of left and right guide boxes 11 shown in FIG.

図40は図1のC-C矢視図であり車体前後変動防止装置60の正面図であり、主輪41と上部変動防止器60-1及び下部変動防止器60-2の相互関係図であるが、走行開始及び停止の際に車体10が主輪軸42を中心にした回転方向の前後変動を抑制するために設けた。   FIG. 40 is a front view of the vehicle body front-rear fluctuation prevention device 60 as viewed from the CC arrow in FIG. 1, and is a diagram showing the interrelationship between the main wheel 41, the upper fluctuation prevention device 60-1, and the lower fluctuation prevention device 60-2. The vehicle body 10 is provided in order to suppress the back-and-forth variation in the rotation direction around the main wheel shaft 42 when starting and stopping the travel.

図41は図40のA-A断面図であり、主輪41の外側両面に外周歯車付主輪棚リブ(以下棚リブ)61を設け、ガイドボックス11の内側上部両面に設置した上部小輪軸ベース62に取付けた三角形の上部防止輪支持バー63と、棚リブ61の外周歯車に噛合せた変動防止輪64と、棚リブ61の内輪面に接する上部受力輪65で構成した上部変動防止器60-1を構築した。 また、ガイドボックス11内側下部両面に設置した下部小輪軸ベース66と、棚リブ61の外周歯車に噛合った下部変動防止歯車67と、変動発生時に動作を抑勢する下部変動防止歯車支持バー68とで構成し下部変動防止器60-2を構築した。   41 is a cross-sectional view taken along the line AA in FIG. 40. The main wheel shelf ribs 61 (hereinafter referred to as shelf ribs) 61 are provided on both outer sides of the main wheel 41, and the upper small wheel shaft base 62 is installed on both inner upper surfaces of the guide box 11. An upper fluctuation preventing device 60 comprising a triangular upper preventing wheel support bar 63 attached to the outer circumferential surface, a fluctuation preventing wheel 64 meshed with the outer peripheral gear of the shelf rib 61, and an upper force receiving wheel 65 in contact with the inner ring surface of the shelf rib 61. -1 was built. In addition, a lower small wheel shaft base 66 installed on both inner and lower sides of the guide box 11, a lower fluctuation preventing gear 67 meshed with the outer peripheral gear of the shelf rib 61, and a lower fluctuation preventing gear support bar 68 that suppresses the operation when a fluctuation occurs. The lower fluctuation preventer 60-2 was constructed.

又、棚リブ61を介して上部変動防止器60-1と下部変動防止器60-2が連動することにより車体10に急激な変動が起動した時点で駆動部40が変動に追従しようとすると、下部変動防止歯車支持バー68に接続した下部変動防止歯車67がフリー状態のためバランスが崩れ、走行不可になると同時に回転しようとする力に抑制力が働き変動が抑えられ、駆動部40と車体10の前後への変動は微少に抑えられ発進及び停止時の変動の抑制が図れる。   Further, when the upper fluctuation preventing device 60-1 and the lower fluctuation preventing device 60-2 are interlocked with each other via the shelf rib 61, when the driving unit 40 tries to follow the fluctuation when the sudden fluctuation is activated in the vehicle body 10, Since the lower fluctuation preventing gear 67 connected to the lower fluctuation preventing gear support bar 68 is in a free state, the balance is lost, the running becomes impossible, and at the same time, a restraining force acts on the force to rotate and the fluctuation is suppressed. The fluctuations before and after the vehicle can be suppressed to a small extent, and fluctuations at the time of starting and stopping can be suppressed.

図42は路面の傾斜により車椅子が横方向に転倒の時には座席面25の下部に設置した横転倒防止用警報器73の起動によって給電の停止、に加え横転倒防止装置70の横転倒防止ストッパー74が開放され横転倒防止柱71が展開して横転倒を免れた状態図であり、ガイドボックス11に取付けた車体前後変動防止装置60による前後への変動の防止と、転倒防止装置70により横転倒の防止を可能とし事故防止を実現する。
図43は下り坂にて転倒防止装置70が作動した状態の側面図であるが横転倒防止ガイドバー72が下り坂にてもより広く確実に着地した図である。
図44は電動車椅子全体図であり、斜視俯瞰図である。
FIG. 42 shows that when the wheelchair falls in the lateral direction due to the inclination of the road surface, the power supply is stopped by the activation of the side fall prevention alarm device 73 installed at the lower part of the seat surface 25, and in addition, the side fall prevention stopper 74 of the side fall prevention device 70 is provided. Is a state diagram in which the side-falling prevention pillar 71 is expanded and the side-falling is prevented, and the side-to-side change is prevented by the vehicle body front-and-rear fluctuation prevention device 60 attached to the guide box 11 and It is possible to prevent accidents.
FIG. 43 is a side view of the state where the overturn prevention device 70 is operated on the downhill, but is a view in which the lateral overturn prevention guide bar 72 is landed more widely and reliably even on the downhill.
FIG. 44 is an overall view of the electric wheelchair and is a perspective overhead view.

本車椅子は利用者の平面移動の利用に留まらず、斜面及び階段の上り下りを特別な装置を用いずに、平地と同様に移動が可能と出来ないか、を主眼に発明されたものである。然るに足部弱者にとっては外出先や旅先での利便性は格段に向上し、利用者の単独外出も可能で有る。また、本車椅子はジョイスティック式の運転レバーの設置場所を、座席の肘掛に限らず背面にも設置可能としたことにより介添い者の運転も可能として有り、これにより広範な利用が望め、特に観光地や古刹の急な階段などに需要が多い。   This wheelchair is not limited to the use of plane movement of the user, but was invented mainly to make it possible to move up and down slopes and stairs without using a special device in the same way as on flat ground. . However, convenience for going out and traveling is significantly improved for the weak leg person, and the user can go out alone. In addition, this wheelchair can be installed not only on the armrests of the seat but also on the back by installing the joystick-type driving lever. There is much demand for the ground and steep stairs of old burial mounds.

10・・・・・車体
11・・・・・駆動部ガイドボックス
12・・・・・座席基台吊軸
13・・・・・主輪軸設置孔
14・・・・・接続稼動軸ガイド溝
15-1・・・車体前接続開閉式プレート
15-2・・・左右ガイドボックス後部接続プレート
15-3・・・左右ガイドボックス下部接続プレート
20・・・・・座席部
21・・・・・座席基台吊バー
22・・・・・座席基台
23・・・・・バッテリー
24・・・・・緩衝材
25・・・・・座席
26・・・・・肘掛
27・・・・・運転レバー
28・・・・・運転制御用前テーブル
29・・・・・ハンドブレーキ
30・・・・・足掛部
31・・・・・足掛部連結継手
32・・・・・足掛部用ネジ軸駆動モータ
33・・・・・オスネジ軸
34・・・・・メスネジ軸
35・・・・・足掛プレート
36・・・・・足掛部位置変更器
37・・・・・足掛部位置固定具
38・・・・・変更器レバー
40・・・・・駆動部
41・・・・・主輪
42・・・・・主輪軸
43・・・・・駆動モータ
44・・・・・前補助輪
44-1・・・前補助輪軸
44-2・・・前補助輪連結バー通し軸
45・・・・・前補助輪連結バー
46・・・・・後補助輪
46-1・・・後補助輪軸
46-2・・・後補助輪連結バー通し軸
47・・・・・後補助輪連結バー
48・・・・・クローラベルト式タイヤ
49-1・・・前タイヤ締付器
49-2・・・後タイヤ締付器
49-3・・・前後タイヤ締付ローラ
49-4・・・前後タイヤ締付ローラ軸
49-5・・・前後タイヤ締付バネ
50・・・・・補助輪上下用装置
51・・・・・前補助輪上下用装置
52・・・・・後補助輪上下用装置
53・・・・・接続稼動軸
54・・・・・前補助輪引上モータ
55・・・・・前補助輪引上ワイヤー
60・・・・・車体前後変動防止装置
60-1・・・上部変動防止器
60-2・・・下部変動防止器
61・・・・・外周歯車付主輪棚リブ
62・・・・・上部小輪軸ベース
63・・・・・上部防止輪支持バー
64・・・・・上部変動防止輪
65・・・・・上部受力輪
66・・・・・下部小輪軸ベース
67・・・・・下部変動防止歯車
68・・・・・下部変動防止歯車支持バー
70・・・・・横転倒防止装置
71・・・・・横転倒防止用支柱
72・・・・・横転倒防止ガイドバー
73・・・・・横転倒防止警報器
74・・・・・横転倒防止ストッパー
DESCRIPTION OF SYMBOLS 10 ... Vehicle body 11 ... Drive part guide box 12 ... Seat base suspension shaft 13 ... Main wheel shaft installation hole 14 ... Connection operation shaft guide groove 15 -1 ... Front connection open / close plate 15-2 ... Left and right guide box rear connection plate 15-3 ... Left and right guide box lower connection plate 20 ... Seat 21 ... Seat Base suspension bar 22 ... Seat base 23 ... Battery 24 ... Buffer material 25 ... Seat 26 ... Armrest 27 ... Driving lever 28... Operation control front table 29... Hand brake 30... Footrest portion 31... Footrest connection joint 32. Shaft drive motor 33 ... Male screw shaft 34 ... Female screw shaft 35 ... Footrest Rate 36 ----- footrests position changer 37 ----- footrests position fixture
38: Changer lever 40: Drive unit 41: Main wheel 42: Main wheel shaft 43 ... Drive motor 44: Front auxiliary wheel 44-1 · · · Front auxiliary wheel shaft 44-2 · · · Front auxiliary wheel connecting bar through shaft 45 · · · Front auxiliary wheel connecting bar 46 · · · Rear auxiliary wheel 46-1 · · · Rear auxiliary Wheel shaft 46-2 ... Rear auxiliary wheel connecting bar through shaft 47 ... Rear auxiliary wheel connecting bar 48 ... Crawler belt type tire 49-1 ... Front tire tightener 49-2 ..Rear tire tightening device 49-3: Front and rear tire tightening rollers 49-4 ... Front and rear tire tightening roller shafts 49-5 ... Front and rear tire tightening springs 50 ... Up and down auxiliary wheels Equipment 51 ... Front Auxiliary Wheel Up / Down Equipment 52 ... Rear Auxiliary Wheel Up / Down Equipment 53 ... Connecting Operating Shaft 54 ... Front Auxiliary Pull-up motor 55 ... Front auxiliary wheel pull-up wire 60 ... Vehicle longitudinal fluctuation prevention device 60-1 ... Upper fluctuation prevention device 60-2 ... Lower fluctuation prevention device 61 .. ... Main wheel shelf rib with outer peripheral gear 62 ... Upper small wheel base 63 ... Upper prevention wheel support bar 64 ... Upper fluctuation prevention wheel 65 ... Upper bearing force Wheel 66... Lower small wheel shaft base 67... Lower fluctuation prevention gear 68... Lower fluctuation prevention gear support bar 70. Support column for overturning 72 ... Side-over prevention guide bar 73 ... Side-fall prevention alarm 74 ... Side-prevention stopper

Claims (2)

電動車椅子の構成部品の基礎となる車体と、前記車体を左右及び
中央の三箇所に区分けし中心部に設置した座席部と、前記座席部の左右両側
に設置し各個別に制御できる駆動部と、前記駆動部の駆動を掌る駆動モータ
内蔵の主輪と、前記駆動部を左右両側で内包する形の駆動部ガイドボックス
と、前記駆動部及び前記主輪を貫き前記駆動部ガイドボックスの内面に接続
する主輪軸と、前記駆動部ガイドボックスの内側面に前記主輪軸を支える加
工をした主輪軸設置孔と、前記駆動部ガイドボックスの上部に取付け前記座
席部内面上部に貫通設置した座席基台吊軸と、前記駆動部の前記主輪を補助
する前補助輪及び後補助輪と、前記主輪の前後に配置し平地走行時及び坂道
や階段の昇降時の補助を行う前記前補助輪及び前記後補助輪を連結制御し前
記主輪の左右及び前記主輪軸の前後に配置した前補助輪連結バー及び後補助
輪連結バーと、前記前補助輪連結バー及び後補助輪連結バーを介して前記前
補助輪及び前記後補助輪を常時下方向への圧力を加えることで前記前補助輪
及び前記後補助輪の走行中の変動を抑制する前補助輪上下用装置及び後補助
輪上下用装置と、前記前補助輪上下用装置及び前記後補助輪上下用装置を連
結し装置の円滑な作動を導く接続稼動軸と、前記駆動部ガイドボックスの内
加工溝により前記補助輪及び前記後補助輪の円滑な作動を導き前記
続稼動軸の動作範囲及び車椅子の階段や坂道の登攀仰角能力を定める接続稼
動軸ガイド溝と、前記主輪及び前記前補助輪及び前記後補助輪を連結及び連
動するクローラベルト式タイヤと、前記クローラベルト式タイヤの変形によ
る緩みや逸脱による空転の排除に常にテンションを加える前タイヤ締付器及
び後タイヤ締付器と、前記主輪の両側面に結着した外周歯車付主輪棚リブと
前記駆動部ガイドボックの内側両面に設けられる上部小輪ベース及び下部
小輪ベースと、前記上部小輪軸ベース及び前記下部小輪軸ベースに取付られ
て、外周歯車付主輪棚リブの外周歯車と噛合う上部変動防止歯車及び下部変
動防止歯車を有する上部変動防止器及び下部変動防止器と、前記外周歯付主
輪棚リブに設置した前記上部変動防止器及び前記下部変動防止器で構成され、
前記上部変動防止歯車と前記下部変動防止歯車のバランスを崩すことにより、
急激な変動発生を抑制する車体前後変動防止装置と、階段登攀に際して前記
前補助輪を階段の始まりを乗り越える高さまで引上げ階段の登攀を開始する
前補助輪引上モータ及び前補助輪引上ワイヤーと、前記車体の外面両側には
車体の横方向への転倒防止に横転倒防止装置を用い安定姿勢での利用と安全
性確保ができる電動車椅子。
A vehicle body that is the basis of the components of the electric wheelchair, a seat portion that is divided into the left and right and the center, and is installed in the center, and a drive portion that is installed on both the left and right sides of the seat portion and can be individually controlled A drive wheel built-in main wheel for driving the drive unit, a drive unit guide box including the drive unit on both right and left sides, and an inner surface of the drive unit guide box through the drive unit and the main wheel connecting to the main wheel axis, a main wheel shaft installation hole in which the processing that supports the main wheel axis to the inner surface of the driver guide box, the driver guide box upper part mounting said seat portion inner surface upper part through installed seats group base Tsujiku and a front auxiliary wheel and the rear auxiliary wheel for assisting the main wheel of the drive unit, arranged to flat road surface at the time and slope before and after the main wheels
The front auxiliary wheel and the rear auxiliary wheel for assisting when moving up and down the stairs
Front auxiliary wheel connecting bar and rear auxiliary arranged on the left and right of the main wheel and before and after the main wheel shaft
The front connecting wheel and the front auxiliary wheel connecting bar and the front auxiliary wheel connecting bar.
Auxiliary wheel and the front auxiliary wheel <br/> and auxiliary wheel vertical motion device and the rear auxiliary wheels vertically prior to suppress variation in the travel of the rear auxiliary wheels by applying pressure of the rear auxiliary wheels to always downward Device for connecting the front auxiliary wheel lifting device and the rear auxiliary wheel lifting device.
A connecting operation shaft leading to smooth operation of the imaging and device, by machining grooves in the inner surface of the driver guide box lead to smooth operation of the front auxiliary wheels and the rear auxiliary wheels of the contact <br/> connection operating shaft Connect and connect the main shaft, the front auxiliary wheel, and the rear auxiliary wheel to the connecting operation shaft guide groove that defines the operating range and the climbing / elevating ability of the wheelchair stairs and slopes.
A moving crawler belt type tire and deformation of the crawler belt type tire.
The front tire tightener that always applies tension to eliminate idling due to loosening and deviation
A rear tire tightener, and a main wheel shelf rib with an outer peripheral gear bound to both side surfaces of the main wheel;
And an upper small wheel base and a lower small wheel base provided on both inner surfaces of the drive unit guide box, and the upper small wheel shaft base and the lower small wheel shaft base.
The upper variation prevention gear and the lower variation gear that mesh with the outer peripheral gear of the main wheel shelf rib with the outer peripheral gear.
An upper fluctuation preventer and a lower fluctuation preventer having a movement preventing gear, and the outer peripheral toothed main
Consists of the upper fluctuation preventer and the lower fluctuation preventer installed on the wheel rack rib,
By breaking the balance between the upper fluctuation preventing gear and the lower fluctuation preventing gear,
A vehicle body front-rear fluctuation prevention device that suppresses sudden fluctuations and
Pull up the front auxiliary wheel to the height over the beginning of the stairs and start climbing the stairs
Electric wheelchair that can be used in a stable posture and secure safety by using a front auxiliary wheel pulling motor and a front auxiliary wheel pulling wire, and a lateral fall prevention device on both sides of the outer surface of the vehicle body to prevent the vehicle body from falling laterally .
前記座席基台吊軸に吊下げ設置しブランコ効果を発揮する座席基
台吊バーと、前記座席基台吊バーに結着し走行時には路面の状態や傾斜に影
響されずに垂直及び安定性を保てる座席基台と、前記座席基台に設置した座
席と、前記座席基台及び前記座席の間に設置し振動及び衝撃を吸収緩和する
緩衝材と、前記座席の先端部に設置し走行状態によっては足部を回転蹴上状
態にして路面接触を避ける足掛部連結継手と、前記足掛部連結継手に接続し
停車時には足部を走路面に着地させ平地歩行にて乗降し走行時には引上げて
走路面接触を避ける足掛プレートと、前記車体の乗車口にして開閉式に設置
し運転制御装置を内蔵した運転制御用前テーブルと、前記座席の肘掛及び背
面に設置できるジョイスティック式の運転レバーにより坂道や階段の走行時
に於いても操作できる請求項1に記載の電動車椅子。







A seat base suspension bar that hangs on the seat base suspension shaft and exhibits a swing effect, and is attached to the seat base suspension bar and has vertical and stability without being affected by the road surface condition or inclination when traveling. A seat base that can be maintained, a seat installed on the seat base, a cushioning material that is installed between the seat base and the seat and absorbs vibrations and shocks, and is installed at the front end of the seat depending on the running state Is connected to the above-mentioned footrest connection joint, and the foot is landed on the road surface when stopping and pulled up and down by walking on a flat ground and pulled up when traveling With a foot plate that avoids contact with the road surface, a front table for operation control that is installed in an openable manner as a boarding opening for the vehicle body, and a joystick type operation lever that can be installed on the armrest and back of the seat Slope and stairs run Electric wheelchair according to claim 1 that can be operated even in a case.







JP2010003781A 2010-01-12 2010-01-12 Electric wheelchair Expired - Fee Related JP4600594B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010003781A JP4600594B1 (en) 2010-01-12 2010-01-12 Electric wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010003781A JP4600594B1 (en) 2010-01-12 2010-01-12 Electric wheelchair

Publications (2)

Publication Number Publication Date
JP4600594B1 true JP4600594B1 (en) 2010-12-15
JP2011142938A JP2011142938A (en) 2011-07-28

Family

ID=43425771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010003781A Expired - Fee Related JP4600594B1 (en) 2010-01-12 2010-01-12 Electric wheelchair

Country Status (1)

Country Link
JP (1) JP4600594B1 (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751319A (en) * 1993-08-19 1995-02-28 Hisato Aramaki Climbing motorized wheelchair
JPH07257442A (en) * 1994-03-17 1995-10-09 Nikon Corp Running device
JPH07328073A (en) * 1994-06-08 1995-12-19 Haidorooritsuku:Kk Step ascending/descending electric wheelchair
JPH0838554A (en) * 1994-07-27 1996-02-13 Toshio Fujiwara Wheelchair with caterpillar and walking aid with caterpillar
JPH0956751A (en) * 1995-08-22 1997-03-04 Nobutsugu Ishii Caterpillar-type wheelchair
JP2000142501A (en) * 1996-04-10 2000-05-23 Komatsu Ltd Crawler device for crawler type vehicle
JP2001299820A (en) * 2000-04-19 2001-10-30 Hideji Hanabusa Wheelchair with automatic alignment function
JP2002211408A (en) * 2001-01-19 2002-07-31 Futoshi Minami Independently driven four wheeled motorized wheelchair capable of climbing up and down stairs
JP2005280525A (en) * 2004-03-30 2005-10-13 Mhi Sagami Hightec Kk Stair ascending/descending bendable lifter
JP2007061342A (en) * 2005-08-31 2007-03-15 Enax Inc Electric six-wheeled chair
JP2008285087A (en) * 2007-05-18 2008-11-27 Kanto Auto Works Ltd Moving device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751319A (en) * 1993-08-19 1995-02-28 Hisato Aramaki Climbing motorized wheelchair
JPH07257442A (en) * 1994-03-17 1995-10-09 Nikon Corp Running device
JPH07328073A (en) * 1994-06-08 1995-12-19 Haidorooritsuku:Kk Step ascending/descending electric wheelchair
JPH0838554A (en) * 1994-07-27 1996-02-13 Toshio Fujiwara Wheelchair with caterpillar and walking aid with caterpillar
JPH0956751A (en) * 1995-08-22 1997-03-04 Nobutsugu Ishii Caterpillar-type wheelchair
JP2000142501A (en) * 1996-04-10 2000-05-23 Komatsu Ltd Crawler device for crawler type vehicle
JP2001299820A (en) * 2000-04-19 2001-10-30 Hideji Hanabusa Wheelchair with automatic alignment function
JP2002211408A (en) * 2001-01-19 2002-07-31 Futoshi Minami Independently driven four wheeled motorized wheelchair capable of climbing up and down stairs
JP2005280525A (en) * 2004-03-30 2005-10-13 Mhi Sagami Hightec Kk Stair ascending/descending bendable lifter
JP2007061342A (en) * 2005-08-31 2007-03-15 Enax Inc Electric six-wheeled chair
JP2008285087A (en) * 2007-05-18 2008-11-27 Kanto Auto Works Ltd Moving device

Also Published As

Publication number Publication date
JP2011142938A (en) 2011-07-28

Similar Documents

Publication Publication Date Title
US7316405B2 (en) Stair-climbing apparatus
KR101215285B1 (en) Feasible driving electric wheelchair in sidewalk and stairs
KR102046151B1 (en) Electric drivr type wheelchair with stairs going up and down function
CN112773621A (en) Support structure, chassis structure, intelligent stair climbing wheelchair and method for climbing stairs
WO2008128950A2 (en) Vehicle with variable geometry for users with deambulation problems
RU2410071C1 (en) Transport facility
KR102382528B1 (en) Lift method for wheel chair using lift apparatus
KR102366931B1 (en) Electric assist module and detection method of the entry section of flat land
JP4600594B1 (en) Electric wheelchair
JP2002037147A (en) Self-advancing car on stairs for sickly person
JP2002178930A (en) Carrier capable of traveling on stairway
KR102373539B1 (en) Electric assist module for wheelchair driving on stairs and stepped terrain
CN1275584C (en) Multifunctional rehabilitation vehicle capable of standing running
CN209757397U (en) Stair climbing device
KR102381643B1 (en) Lift apparatus for wheel chair
JP4076282B2 (en) Self-propelled staircase moving device
CN108514479B (en) All-terrain manned robot and step ascending and descending method
JPH07206324A (en) Staircase ascending/descending device
CN215307520U (en) Wheel-track combined trolley
CN215900129U (en) Crawler traveling mechanism of wheelchair robot and wheelchair robot
KR102445702B1 (en) Electric Wheelchair Including Obstacle Overcoming Unit And Fixing Part
KR102647202B1 (en) Wheel chair for climbing and descending stairs
KR102670191B1 (en) Electric four wheel drive wheelchair
CN214858397U (en) Supporting structure, chassis structure, double-track walking stair climbing vehicle and intelligent stair climbing wheelchair
KR200266158Y1 (en) Portable wheelchair lift for disabled persons

Legal Events

Date Code Title Description
TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100913

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131008

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees