JPH0629147Y2 - Folding old man car - Google Patents
Folding old man carInfo
- Publication number
- JPH0629147Y2 JPH0629147Y2 JP1990005432U JP543290U JPH0629147Y2 JP H0629147 Y2 JPH0629147 Y2 JP H0629147Y2 JP 1990005432 U JP1990005432 U JP 1990005432U JP 543290 U JP543290 U JP 543290U JP H0629147 Y2 JPH0629147 Y2 JP H0629147Y2
- Authority
- JP
- Japan
- Prior art keywords
- wheel support
- support leg
- front wheel
- rear wheel
- pusher frame
- 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 - Lifetime
Links
Landscapes
- Handcart (AREA)
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は杖代りに手押し使用する折りたたみ式の老人車
に係り、殊更その杖代りとしての組立強度アップと安全
性を昂めると共に、ショッピングカートとしても便利良
く引張り使用できるように改良したものである。[Detailed Description of the Invention] <Industrial field of application> The present invention relates to a folding-type elderly car that is used by hand instead of a cane. Especially, assembling strength and safety as a cane substitute are increased and shopping is performed. It has been improved so that it can be conveniently used as a cart for pulling.
〈従来の技術〉 老人が杖代りに手押し使用する折りたたみ式の老人車と
しては、例えば実開昭５６−１６３０６８号が公知であ
り、これではその構成上前脚杆（１）と後脚杆（５）と
が別個な左右一対の枢支ピン（９）を介して、側面視の
Ｘ字型に組付けられることにより、その内部空間にバツ
グ(30)が収納設置されていると共に、前脚杆（１）の上
端部には押手杆(11)のほか、引張り杆(23)も装備されて
いる。<Prior Art> As a folding type old man's car that an old man uses by hand instead of a cane, for example, Japanese Utility Model Laid-Open No. 56-163068 is known, which has a front leg rod (1) and a rear leg rod (5) because of its structure. ) Is attached to the X-shape in a side view through a pair of left and right pivot pins (9), so that the bag (30) is housed and installed in the internal space and the front leg rod ( In addition to the pusher rod (11), a pull rod (23) is equipped at the upper end of 1).
〈考案が解決しようとする課題〉 ところが、上記公知考案の場合前脚杆（１）と後脚杆
（５）とが、その中途高さ位置での交叉状態に組付けら
れているため、これを重なり合うように折りたたみ扁平
化したとしても、背丈が依然として嵩張ることとなる。<Problems to be solved by the device> However, in the case of the above-mentioned known device, since the front leg rod (1) and the rear leg rod (5) are assembled in a crossed state at the mid-height position, Even when folded and flattened to overlap, the height is still bulky.
又、両脚杆（１）（５）の枠内にバッグ(30)が収納設置
されており、第３図の折りたたみ時には、バッグ(30)も
その口金から強制的に折りたたまれるようになっている
ため、これに各種品物を制約なく収納維持できず、ショ
ッピングカートとしての引張り使用上、未だ支障と不便
がある。バッグ(30)の口金に折りたたみ運動機構を付属
させる必要がある意味から、量産効果に劣ることも明白
と言える。Further, the bag (30) is stored and installed in the frame of the two leg rods (1) and (5), and when folded, the bag (30) is also forcibly folded from its mouthpiece. Therefore, various items cannot be stored and maintained without restriction, and there are still problems and inconveniences in using the pulling as a shopping cart. Since it is necessary to attach a folding movement mechanism to the mouthpiece of the bag (30), it can be said that the mass production effect is inferior.
この点、実公昭４８−２０７５３号に記載された手押し
車の構成では、ネジ杆(13)を緩めることにより、ハンド
ル枠(11)を前向きに廻し倒せば、脚杆（９）が主フレー
ム（１）と重なり合うように接近するため、その折りた
たみ状態での全体的な背丈を第３、４図のように、約半
分に背低く小型コンパクト化できるものと言え、上記実
開昭５６−１６３０６８号の問題解決に役立つ。In this respect, in the construction of the wheelbarrow described in Japanese Utility Model Publication No. 48-20753, if the handle frame (11) is turned forward and turned down by loosening the screw rod (13), the leg rod (9) becomes the main frame ( Since it is approached so as to overlap with 1), the overall height in the folded state can be said to be about half as low as shown in Figs. 3 and 4, and it can be said that it can be made compact and compact. Help solve the problem.
しかし乍ら、これではキャンバスシート(14)が主フレー
ム（１）の両縦材（２）と、両脚杆（９）との間隔内部
に張設させることとなってるいが、その両縦材（２）並
びに両脚杆（９）よりも狭幅なハンドル枠(11)のハンド
ル(10)が、上記折りたたみ時に前方から両脚杆（９）
を、主フレーム（１）へ接近させるように押し付ける構
成であるため、上記キャンバスシート(14)は、「折畳み
状態で折込まれ」ることとなり、上記実開昭５６−１６
３０６８号と同じく、やはりショッピングカートとして
の使用上、未だ支障と不便がある。仮令、キャンバスシ
ート(14)へ品物を収納させたとしても、その品物によっ
ては上記折りたたみ時に、挟み付け押し潰されることが
起こり得る。However, this means that the canvas sheet (14) is to be stretched inside the space between the vertical members (2) of the main frame (1) and the leg rods (9). (2) and the handle (10) of the handle frame (11), which is narrower than the two-leg rods (9), has the two-leg rods (9) from the front at the time of folding.
Is pressed so as to approach the main frame (1), the canvas sheet (14) is "folded in a folded state", and thus the above-mentioned actual opening 56-16.
Like the No. 3068, it still has some troubles and inconveniences when it is used as a shopping cart. Even if an article is temporarily stored in the canvas sheet (14), it may be pinched and crushed at the time of folding depending on the article.
まして、ハンドル枠(11)を第１図のように脚杆（９）か
ら後上方へ延長させる如く、その組立状態に保ったまま
で、主フレーム（１）のみを脚杆（９）へ重なり合う接
近状態に折りたたむことは不可能な構成であるため、そ
のハンドル枠(11)のハンドル(10)を握り持ちつつ、しか
も上記キャンバスシート(14)を折り込んでしまうことな
く、ショッピングカートとして逆方向へ引張り使用する
ことができない。Furthermore, as shown in FIG. 1, the handle frame (11) is extended from the rod (9) rearward and upward, and only the main frame (1) is overlapped with the rod (9) while keeping the assembled state. Since it is impossible to fold it into a state, pull it in the opposite direction as a shopping cart while holding the handle (10) of the handle frame (11) and without folding the canvas sheet (14). Cannot be used.
このような問題は、実公昭４８−２８５２２号の手押し
車についても、全く同様に起こることである。蓋し、こ
れでもその構成上、キャンバス(17)は主フレーム（１）
における両縦材（２）の間隔内部に取り付けられている
が、その主フレーム（１）よりも狭幅な補助フレーム
（５）が、主フレーム（１）へ重なり合い接近する状態
として折りたたまれるからである。Such a problem also occurs in the wheelbarrow of Japanese Utility Model Publication No. 48-28522 in exactly the same manner. The canvas (17) is covered by the main frame (1) due to its structure.
The auxiliary frame (5), which is attached inside the space between the vertical members (2) in the above, but is narrower than the main frame (1), is folded so as to overlap and approach the main frame (1). is there.
又、ハンドル枠(12)を連結材(10)の支点廻りに倒せば、
これとの一体的に補助フレーム（５）と主フレーム
（１）とが接近して、第４、６図のような折りたたみ状
態になり、そのハンドル枠(12)を第１、２図のように主
フレーム（１）から後上方へ延長させる如く、その組立
状態に維持したままで、補助フレーム（５）のみを主フ
レーム（１）と重なり合う状態に折りたたむことは不可
能であって、やはりショッピングカートとしての引張り
使用に適しない。Also, if the handle frame (12) is tilted around the fulcrum of the connecting material (10),
The auxiliary frame (5) and the main frame (1) are brought close to each other integrally with each other to be in the folded state as shown in FIGS. 4 and 6, and the handle frame (12) is set as shown in FIGS. It is impossible to fold only the auxiliary frame (5) so as to overlap with the main frame (1) while maintaining the assembled state so that the main frame (1) is extended rearward and upward. Not suitable for pulling as a cart.
〈課題を解決するための手段〉 本考案はこのような課題の改良を企図しており、そのた
めの手段として一定間隔を保つ正面視のほぼＵ字型に枠
組み形成された前輪支持脚と、 その前輪支持脚よりも広幅な一定間隔を保つ正面視の相
似なＵ字型に枠組み形成された後輪支持脚と、 その後輪支持脚よりも更に広幅な一定間隔を保つ正面視
のほぼ倒立Ｕ字型に曲成された押手枠とを備え、 上記前輪支持脚と後輪支持脚並びに押手枠を悉く金属の
中空パイプ材として、その両支持脚の上端部には左右一
対の補強ピンを各々植込み固定する一方、押手枠の下端
部にも左右一対の補強ピンを植込み一体化して、 上記補強ピンの露出頭部を悉く横並び状態に整合させた
上、その露出頭部へ１本の枢支軸を水平に串刺し貫通さ
せることにより、前輪支持脚と後輪支持脚並びに押手枠
の三者を回動自在に組付けると共に、 上記横並び状態にある前輪支持脚の補強ピンと後輪支持
脚の補強ピンとの隣接相互間では、その何れか一方の露
出頭部から２個１組の平行な嵌合凸子を各々水平に張り
出し、 残る他方の露出頭部にその各嵌合凸子の受け入れ凹溝を
対応開口させて、その凸子と凹溝との嵌合により、前輪
支持脚と後輪支持脚とを４５〜６０度の回動角度範囲に
おいて、相対的に開閉操作できるように定め、 同じく横並び状態にある後輪支持脚の補強ピンと押手枠
の補強ピンとの隣接相互間では、その何れか一方の露出
頭部から別な１個の嵌合凸子を水平に張り出し、 残る他方の露出頭部にその嵌合凸子の受け入れ凹溝を対
応開口させて、その凸子と凹溝との嵌合により、押手枠
を後輪支持脚に対する２２５〜２４０度の回動角度範囲
において、起伏操作できるように定めると共に、 上記両支持脚の開閉操作状態と押手枠の起伏操作状態
を、上記枢支軸の端部に螺合された固定ナツトの締め上
げによって、各々施錠できるように構成したことを特徴
とするものである。<Means for Solving the Problem> The present invention intends to improve such a problem, and as a means therefor, a front wheel support leg framed in a substantially U-shape in a front view, which keeps constant intervals, and A rear wheel support leg framed in a U-shape similar to the front view that keeps a wider space than the front wheel support leg, and an almost inverted U-shape in front view that maintains a wider space than the rear wheel support leg. It is equipped with a pusher frame bent into a mold, and is a metal hollow pipe material that crushes the front wheel support leg, the rear wheel support leg, and the pusher frame, and a pair of left and right reinforcing pins are respectively implanted at the upper ends of the support legs. While fixing, a pair of left and right reinforcing pins are also implanted and integrated into the lower end of the pusher frame to align the exposed heads of the reinforcing pins in a side-by-side alignment and one pivot shaft is attached to the exposed heads. By horizontally skewering and penetrating the The rear wheel support leg and the pusher frame are rotatably assembled, and one of the exposed heads of the reinforcement pin of the front wheel support leg and the reinforcement pin of the rear wheel support leg which are in the side-by-side arrangement is adjacent to each other. 2 sets of parallel fitting protrusions are projected horizontally from each part, and the receiving concave groove of each fitting protrusion is correspondingly opened in the other exposed head portion of the other, and the projection and the concave groove By fitting, the front wheel support leg and the rear wheel support leg are determined so that they can be opened / closed relatively in the rotation angle range of 45 to 60 degrees, and the reinforcement pin and the pusher frame of the rear wheel support leg also in the side-by-side alignment state are Between adjacent ones of the reinforcing pins, another fitting protrusion is horizontally projected from one of the exposed heads, and the receiving recess groove of the fitting protrusion is correspondingly opened in the other exposed head. Then, by fitting the convex and concave grooves, the pusher frame can be used as a rear wheel support leg. In the range of the rotation angle of 225 to 240 degrees, it is determined that the hoisting operation can be performed, and the opening and closing operation state of both the support legs and the hoisting operation state of the pusher frame are fixed by being screwed to the end of the pivot shaft. It is characterized in that each nut can be locked by tightening the nut.
〈実施例〉 以下、図示の実施例に基いて本考案の具体的構成を詳述
すると、その老人車としての手押し使用状態を表わした
第１〜７図にいて、（Ａ）は金属中空パイプ材から成る
前輪支持脚の総称であり、一定間隔(W1)を保って平行す
る左右一対の脚管(11)と、その下端部に固定横架された
水平な車軸(12)とから、全体的な正面視のほぼＵ字型に
枠組み一体化されていると共に、その車軸(12)の両端部
には左右一対の前輪(13)が遊転自在に取付けられてい
る。(14)はその前輪(13)の車軸(12)に套嵌されたスペー
サー管を示している。<Embodiment> The concrete construction of the present invention will be described in detail below with reference to the illustrated embodiment. In FIGS. 1 to 7 showing the hand-pushing use state as an elderly car, (A) is a metal hollow pipe. It is a generic term for front wheel support legs made of material, and consists of a pair of left and right leg pipes (11) that are parallel to each other with a constant spacing (W1), and a horizontal axle (12) fixed and laterally mounted on the lower end of the leg pipe. The front wheel (13) is attached to both ends of the axle (12) so as to be freely rotatable while being integrally framed in a substantially U-shape in a front view. Reference numeral (14) shows a spacer tube fitted over the axle (12) of the front wheel (13).
(15)は前輪支持脚（Ａ）における両脚管(11)の開口上端
部へ、施蓋状態に植込み固定された左右一対の補強ピン
であり、その脚管(11)から露出する径大な頭部(16)は、
何れもその内側と外側の両面が扁平化されていると共
に、その中心には軸受け孔(17)が貫通開口されている。(15) is a pair of left and right reinforcing pins that are fixed to the front upper ends of both leg pipes (11) of the front wheel support legs (A) by opening the leg pipes (11). The head (16)
Both of the inner and outer sides are flattened, and a bearing hole (17) is opened at the center thereof.
又、（Ｂ）は同じく金属中空パイプ材の後輪支持脚であ
って、前輪支持脚（Ａ）の一定間隔(W1)よりも広幅な一
定間隔(W2)を保って平行する左右一対の脚管(18)と、そ
の下端部にやはり固定横架された水平な車軸(19)とか
ら、前輪支持脚（Ａ）とほぼ相似な正面視のＵ字型に枠
組み形成されており、その車軸(19)の両端部には左右一
対の後輪(20)が遊転自在に取付けられている。(21)はそ
の後輪(20)の車軸(19)に套嵌されたスペーサー管であ
る。Further, (B) is a rear wheel supporting leg of the same metal hollow pipe material, and is a pair of left and right legs parallel to each other with a constant width (W2) wider than the constant distance (W1) of the front wheel supporting leg (A). The pipe (18) and the horizontal axle (19) also fixedly mounted on the lower end of the pipe (18) form a U-shaped frame in a front view, which is almost similar to the front wheel support leg (A). A pair of left and right rear wheels (20) are attached to both ends of (19) in a freely rotatable manner. Reference numeral (21) is a spacer tube fitted over the axle (19) of the rear wheel (20).
(22)は後輪支持脚（Ｂ）における両脚管(18)の開口上端
部へ、やはり施蓋状態に植込み一体化された左右一対の
補強ピンであって、その径大な頭部(23)も脚管(18)から
露出しており、その内側と外側の両面が扁平化されてい
ると共に、その中心にも軸受け孔(24)が貫通形成されて
いる。(22) is a pair of left and right reinforcing pins that are also integrated in the upper end of the openings of both leg pipes (18) in the rear wheel support legs (B) in a covered state, and have a large head (23 ) Is also exposed from the leg tube (18), both the inner side and the outer side thereof are flattened, and a bearing hole (24) is also formed through the center thereof.
更に、（Ｃ）は金属中空パイプ材から正面視のほぼ倒立
Ｕ字型に屈曲形成された押手枠であるが、その一定間隔
(W3)は後輪支持脚（Ｂ）の一定間隔(W2)よりも、更に広
幅な寸法として関係設定されている。(25)はその押手枠
（Ｃ）の開口下端部へやはり施蓋状態に植込み固定され
た左右一対の補強ピンであって、その径大な露出頭部(2
6)の中心にも軸受け孔(27)が貫通開口されている。Further, (C) is a pusher frame formed by bending a hollow metal pipe material into a substantially inverted U-shape in a front view.
(W3) is set as a dimension wider than the constant interval (W2) of the rear wheel support legs (B). (25) is a pair of left and right reinforcing pins, which are also fixed to the lower end of the opening of the pusher frame (C) in a closed state, and have a large diameter exposed head (2
A bearing hole (27) is also opened at the center of 6).
そして、前輪支持脚（Ａ）の補強ピン(15)と後輪支持脚
（Ｂ）の補強ピン(22)並びに押手枠（Ｃ）の補強ピン(2
5)は、第７、８図から明白なように、その内外位置関係
の全体的な横並びに状態に整合された上、その補強ピン
(15)(22)(25)の軸受け孔(17)(24)(27)へ１本の水平な枢
支軸(28)が串刺し貫通されることにより、その枢支軸(2
8)を中心として相対回動し得るように組み付けられるこ
ととなる。Then, the reinforcement pin (15) of the front wheel support leg (A), the reinforcement pin (22) of the rear wheel support leg (B), and the reinforcement pin (2 of the pusher frame (C).
As is clear from FIGS. 7 and 8, 5) is aligned with the overall lateral position of the internal and external positional relationships and the reinforcing pin thereof.
(15) (22) (25) bearing holes (17) (24) (27) are pierced by a single horizontal pivot shaft (28) to penetrate the pivot shaft (2).
It will be assembled so that it can rotate relative to 8).
(29)はその枢支軸(28)の両端部に刻設されたネジであ
り、これに螺合の固定ナツト(30)が締め上げられること
によって、上記回動作用が施錠されるようになってい
る。この点、図例では左右一対の固定ナツト(30)を使用
しているが、上記枢支軸(28)を頭付の細長いボルト形態
とすることにより、固定ナツト(30)の左右何れか一方を
省略しても良く、又その固定ナツト(30)としても、袋ナ
ツト形態や蝶ナツト形態などを採用することができる。(29) is a screw engraved at both ends of the pivot shaft (28), and by tightening the screw-fastening nut (30), the rotating action is locked. Has become. In this respect, although a pair of left and right fixing nuts (30) are used in the illustrated example, by making the pivot shaft (28) into an elongated bolt shape with a head, either one of the left and right fixing nuts (30) is used. May be omitted, and as the fixing nut (30), a bag nut type, a butterfly nut type, or the like can be adopted.
尚、(31)は前輪支持脚（Ａ）における両補強ピン(15)の
左右相互間に介在しつつ、その枢支軸(28)に套嵌された
スペーサー管である。Reference numeral (31) is a spacer tube fitted to the pivot shaft (28) of the front wheel support leg (A) while being interposed between the left and right reinforcing pins (15).
前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手枠
（Ｃ）の補強ピン(15)(22)(25)は、何れも上記の通り左
右一対づつとして、互いに対称な形態に配列設置されて
いるため、今その左右何れか片側について説明を続ける
と、上記横並び状態にある前輪支持脚（Ａ）の補強ピン
(15)と後輪支持脚（Ｂ）の補強ピン(22)との隣接相互間
では、その後輪支持脚（Ｂ）における補強ピン(22)の露
出頭部(23)から内向き水平状態として、第１１、１３図
のように２個１組の平行な嵌合凸子(32)が一体的に張り
出されている。しかも、その両嵌合凸子(32)は補強ピン
(22)自身の長手軸栓（ｂ−ｂ）上に位置しつつ、上記軸
受け孔(24)を挟む周辺部に分布されている。The reinforcing pins (15), (22) and (25) of the front wheel supporting leg (A), the rear wheel supporting leg (B) and the pusher frame (C) are arranged in a symmetrical form with each other as a pair of left and right as described above. Since it has been installed, the description will be continued for one of the left and right sides, so that the reinforcing pin for the front wheel support leg (A) in the side-by-side state described above.
Between the adjacent (15) and the reinforcement pin (22) of the rear wheel support leg (B), the inward horizontal state from the exposed head (23) of the reinforcement pin (22) of the rear wheel support leg (B) is established. As shown in FIGS. 11 and 13, a pair of parallel fitting protrusions (32) are integrally projected. Moreover, both fitting protrusions (32) are reinforcement pins.
(22) While being located on the longitudinal shaft stopper (bb) of itself, it is distributed in the peripheral portion sandwiching the bearing hole (24).
他方、前輪支持脚（Ａ）における補強ピン(15)の露出頭
部(16)には、上記嵌合凸子(32)の受け入れ凹溝(33)が第
９、１０図のように、２個１組として対応形成されてい
る。その露出頭部(16)の外側扁平面に、嵌合凸子(32)の
受け入れ凹溝(33)が陥没されているわけであるが、これ
は４５〜６０度の回動角度範囲（θ）に亘る円弧軌跡と
して細長く開口されている。On the other hand, in the exposed head portion (16) of the reinforcing pin (15) in the front wheel support leg (A), the receiving groove (33) of the fitting protrusion (32) is provided as shown in FIGS. Correspondingly formed as one set. The receiving concave groove (33) of the fitting protrusion (32) is depressed in the outer flat surface of the exposed head portion (16), which is in a rotation angle range (θ of 45 to 60 degrees). ), The opening is elongated as a circular arc locus.
つまり、その２個１組の受け入れ凹溝(33)も中心の軸受
け孔(17)を挟む状態に分布しているが、その両者の開口
一端部は補強ピン(15)自身の長手軸線（ａ−ａ）と４５
〜６０度だけ交叉する仮想直径線（ｘ−ｘ）上に位置す
るようになっている。そのため、後輪支持脚（Ｂ）側の
嵌合凸子(32)を前輪支持脚（Ａ）側の受け入れ凹溝(33)
へ嵌合させると共に、両支持脚（Ａ）（Ｂ）を枢支軸(2
8)により組付けた状態のもとでは、横方向から見た場合
に両支持脚（Ａ）（Ｂ）を、第１６、１７図の対比から
明白な通り、その脚管(11)(18)同志のオーバーラツプす
る閉脚状態と、上記交叉角度の開脚状態に変換操作する
ことができ、その開閉度も上記回動角度範囲（θ）内に
おいて、適当に調整し得るのである。That is, the pair of receiving recessed grooves (33) are also distributed so as to sandwich the central bearing hole (17), but one end portion of the opening of both of them is provided with the longitudinal axis (a) of the reinforcing pin (15) itself. -A) and 45
It is located on an imaginary diameter line (xx) intersecting by -60 degrees. For this reason, the fitting protrusion (32) on the rear wheel support leg (B) side is inserted into the receiving groove (33) on the front wheel support leg (A) side.
And support both legs (A) and (B) to the pivot shaft (2
Under the condition that it is assembled by (8), both supporting legs (A) and (B) when viewed from the lateral direction, as clearly seen from the comparison of FIGS. 16 and 17, have their leg pipes (11) (18). ) It is possible to perform an operation of converting between the closed leg state in which both of them overlap each other and the open state with the above-mentioned crossing angle, and the degree of opening and closing thereof can be appropriately adjusted within the rotation angle range (θ).
但し、図例の場合後輪支持脚（Ｂ）側に回動凸子(32)
を、前輪支持脚（Ａ）側にその受け入れ凹溝(33)を各々
対応形成しているが、上記の趣旨を達成できる限りで
は、逆に前輪支持脚（Ａ）側から嵌合凸子(32)を張り出
し、その受け入れ凹溝(33)を後輪支持脚（Ｂ）側に形成
してもさしつかえない。However, in the case of the illustrated example, the rotating projection (32) is provided on the rear wheel support leg (B) side.
The corresponding receiving groove (33) is formed on the front wheel support leg (A) side, but as long as the above-mentioned purpose can be achieved, conversely, from the front wheel support leg (A) side, the fitting projection ( It does not matter if the projection 32) is extended and the receiving groove (33) is formed on the rear wheel support leg (B) side.
又、同じく横並び状態にある後輪支持脚（Ｂ）の補強ピ
ン(22)と押手枠（Ｃ）の補強ピン(25)との隣接相互間で
は、その後輪支持脚（Ｂ）における補強ピン(22)の露出
頭部(23)から外向き水平状態として、第１１、１２図の
ように別な１個の嵌合凸子(34)が一体的に張り出されて
いる。この嵌合凸子(34)も補強ピン(22)自身の長手軸線
（ｂ−ｂ）上において、上記軸受け孔(24)の上側周辺部
に位置している。In addition, between the reinforcing pin (22) of the rear wheel support leg (B) and the reinforcing pin (25) of the pusher frame (C) which are also in the side-by-side alignment, the reinforcing pin (in the rear wheel support leg (B) ( As shown in FIGS. 11 and 12, another fitting protrusion (34) is integrally projected from the exposed head portion (23) of the exposed head (23) in a horizontal state. This fitting protrusion (34) is also located on the upper peripheral portion of the bearing hole (24) on the longitudinal axis (bb) of the reinforcing pin (22) itself.
そして、これと向かい合う押手枠（Ｃ）における補強ピ
ン(25)の露出頭部(26)には、第１４、１５図から明白な
通り、上記嵌合凸子(34)の受け入れ凹溝(35)が対応的に
陥没形成されている。この受け入れ凹溝(35)は上記前輪
支持脚（Ａ）の嵌合凸子受け入れ凹溝(33)よりも一層細
長い円弧開口形態として、２２５〜２４０度の回動角度
範囲（γ）に及ぶ軌跡を備えている。Then, in the exposed head portion (26) of the reinforcing pin (25) in the pusher frame (C) facing this, as apparent from FIGS. 14 and 15, the receiving groove (35) of the fitting protrusion (34) is formed. ) Is correspondingly depressed. The receiving groove (35) has a circular arc opening shape which is much narrower than the fitting convex receiving groove (33) of the front wheel support leg (A), and has a locus extending over a rotation angle range (γ) of 225 to 240 degrees. Is equipped with.
つまり、その受け入れ凹溝(35)の開口一端部が補強ピン
(25)自身の長手軸線（ｃ−ｃ）上に位置すると共に、同
じく開口他端部はその長手軸線（ｃ−ｃ）と２２５〜２
４０度だけ交叉する仮想直径線（ｙ−ｙ）上に位置して
いて、前輪支持脚（Ａ）との関係では横方向から見た場
合に、その前輪支持脚（Ａ）に対して押手枠（Ｃ）を、
第１８、１９図の対比から明白なように後上方へ延長さ
せる如き、相互のほぼ一直線となる起立操作状態と、オ
ーバーラツプする前方への伏倒操作状態に変換すること
ができ、その押手枠（Ｃ）の起伏度も上記回動角度範囲
（γ）内において、適当に調整し得るようになってい
る。That is, one end of the opening of the receiving groove (35) is a reinforcing pin.
(25) It is located on its own longitudinal axis (cc), and the other end portion of the opening is also 225-2 and its longitudinal axis (cc).
It is located on an imaginary diameter line (y-y) that intersects only 40 degrees and, in relation to the front wheel support leg (A), when viewed from the lateral direction, a pusher frame for the front wheel support leg (A). (C)
As apparent from the comparison of FIGS. 18 and 19, it is possible to convert to a standing operation state in which they are substantially in a straight line with each other and to extend to an overlying forward sloping operation state by extending them backward and upward. The undulation degree of C) can also be adjusted appropriately within the rotation angle range (γ).
この点、図例では後輪支持脚（Ｂ）側に１個の嵌合凸子
(34)を、押手枠（Ｃ）側にその受け入れ凹溝(35)を各々
対応形成しているが、上記の趣旨を達成できるならば、
逆に押手枠（Ｃ）側から嵌合凸子(34)を張り出し、その
受け入れ凹溝(35)を後輪支持脚（Ｂ）側に形成しても良
い。In this respect, one fitting protrusion on the rear wheel support leg (B) side in the illustrated example.
(34) is formed with the receiving concave groove (35) on the side of the pusher frame (C), respectively, but if the above purpose can be achieved,
On the contrary, the fitting protrusion (34) may be extended from the side of the pusher frame (C) and the receiving groove (35) may be formed on the rear wheel support leg (B) side.
何れにしても、第７図から明白なように上記前輪支持脚
（Ａ）の一定間隔(W1)と、後輪支持脚（Ｂ）の一定間隔
(W2)並びに押手枠（Ｃ）の一定間隔(W3)は、その順次広
くなるように相違変化されており、しかも共通の枢支軸
(28)によって回動自在に組付けられているため、その互
いに干渉し合うことなく、全体として極力小型扁平に折
りたたむことができ、その上記両支持脚（Ａ）（Ｂ）の
開閉度や押手枠（Ｃ）の起伏度も、枢支軸(28)に対する
固定ナツト(30)の締め上げにより、その調整状態に施錠
し得るのである。尚、押手枠（Ｃ）の水平な上端部には
図外のグリツプカバーを嵌め付け使用する。In any case, as is apparent from FIG. 7, the constant distance (W1) between the front wheel support legs (A) and the constant distance between the rear wheel support legs (B).
(W2) and the constant interval (W3) of the pusher frame (C) are differently changed so as to become wider in order, and a common pivot shaft is used.
Since it is rotatably assembled by (28), it can be folded as small as possible as a whole without interfering with each other, and the opening / closing degree of both the support legs (A) and (B) and the pusher The undulation degree of the frame (C) can also be locked in the adjusted state by tightening the fixing nut (30) with respect to the pivot shaft (28). A grip cover (not shown) is used by fitting it on the horizontal upper end of the pusher frame (C).
更に、図示符号(36)は前輪支持脚（Ａ）における両脚管
(11)の中途高さ位置へ横架された補強桟、(37)は同じく
後輪支持脚（Ｂ）における両脚管(18)の中途高さ位置へ
横架された補強桟であるが、その後輪支持脚（Ｂ）の補
強桟(37)が両脚管(18)と固着一体化されているに反し、
前輪支持脚（Ａ）の補強桟(36)はその両脚管(11)をガイ
ドレールとして、上下方向へスライド操作し得るように
捲き付けられている。しかも、その補強桟(36)の中央部
からは下向き一体的に、係止爪(38)が張り出されてい
る。Further, reference numeral (36) indicates both leg tubes in the front wheel support leg (A).
(11) Reinforcing bar crossed to the mid-height position, (37) is a reinforcing bar horizontally crossed to the mid-height position of both leg tubes (18) of the rear wheel support leg (B), After that, the reinforcing bar (37) of the wheel support leg (B) is fixedly integrated with the both leg tubes (18),
The reinforcing bar (36) of the front wheel support leg (A) is wound so as to be vertically slidable by using the both leg tubes (11) as guide rails. Moreover, the locking claw (38) is integrally projected downward from the central portion of the reinforcing bar (36).
(39)は同じく前輪支持脚（Ａ）における両脚管(11)の下
端部付近へ固定横架されたストツパーバーであり、これ
にはバツグ受け座(40)が蝶番(41)などを介して、上下方
向への回動自在に枢着されている。その受け座(40)の使
用時には横方向から見て、これが前輪支持脚（Ａ）の脚
管(11)と直交する状態として、第４図のように下方から
ストツパーバー(39)により支持規制されるようになって
いる。(39) is a stopper bar fixed and laterally fixed near the lower ends of both leg pipes (11) of the front wheel support legs (A), in which the bag receiving seat (40) is hinged (41) or the like. It is pivotally attached in a vertically rotatable manner. When the seat (40) is used, it is regulated from below by the stop bar (39) as shown in FIG. 4 so that it is orthogonal to the leg tube (11) of the front wheel support leg (A) when viewed from the side. It has become so.
他方、その受け座(40)を第５、６図のような脚管(11)と
重なり合う状態に倒し上げた不使用時には、上記補強桟
(36)を下方へスライド操作して、その係止爪(38)を受け
座(40)へ係止させることにより、その不使用状態を安定
良く施錠保持することができる。On the other hand, when the seat (40) is pushed up to the state where it overlaps with the leg pipe (11) as shown in FIGS.
By sliding the (36) downward to lock the locking claw (38) to the receiving seat (40), the unused state can be stably locked and held.
(42)はビニールや皮革、その他の可撓な材料から形成さ
れたシヨツピングバツグであり、上記枢支軸(28)や押手
枠（Ｃ）などへ着脱自在に、且つ脱落しないように吊り
下げ使用される。その吊り下げ状態では、バツグ(42)の
背面が前輪支持脚（Ａ）の両脚管(11)にもたれ掛かり、
同じく底面は上記受け座(40)によって支持されることに
なる。従って、上方から品物を投入したとしても、その
バツグ(42)の不正に形崩れするおそれはない。(42) is a shopping bag made of flexible material such as vinyl, leather, etc., which can be attached to and detached from the pivot shaft (28), pusher frame (C), etc. Used lowered. In the suspended state, the back surface of the bag (42) leans against both leg tubes (11) of the front wheel support legs (A),
Similarly, the bottom surface is supported by the receiving seat (40). Therefore, even if an item is loaded from above, there is no possibility that the bag (42) will be illegally deformed.
〈作用〉 第１〜４図は本考案の組立使用状態を示しているが、こ
の状態では前輪支持脚（Ａ）と後輪支持脚（Ｂ）とが、
４５〜６０度だけ交叉する側面視の倒立Ｖ字型に開脚し
ていると共に、その枢支軸(28)から後上方に向かって、
押手枠（Ｃ）があたかも前輪支持脚（Ａ）とほぼ一直線
状に延長起立する如く、その押手枠（Ｃ）と後輪支持脚
（Ｂ）との交叉角度が、２２５〜２４０度に保たれてお
り、その状態のもとで枢支軸(28)に対する固定ナツト(3
0)の締め上げを受けて、安全に施錠されているのであ
る。<Operation> FIGS. 1 to 4 show the assembled and used state of the present invention. In this state, the front wheel support leg (A) and the rear wheel support leg (B) are
The legs are opened in an inverted V shape in side view that intersects only 45 to 60 degrees, and from the pivot shaft (28) toward the upper rear,
The crossing angle between the pusher frame (C) and the rear wheel support leg (B) is maintained at 225 to 240 degrees so that the pusher frame (C) extends upright almost straight with the front wheel support leg (A). Under that condition, the fixed nut (3
It has been locked safely after being tightened in (0).
そのため、老人が押手枠（Ｃ）を握り持つことにより、
本考案を杖車として手押し使用することができ、その場
合押手枠（Ｃ）に無理な押し下げ力が働いても、その押
手枠（Ｃ）の補強ピン(25)側に開口する受け入れ凹溝(3
5)の一端部に、後輪支持脚（Ｂ）の補強ピン(22)側から
張り出す嵌合凸子(34)が嵌合しているので、その押手枠
（Ｃ）の不慮に下降してしまうおそれなく、従いもたれ
掛かる杖代りとして、頗る安全な老人車であると言え
る。Therefore, when the old man holds the pusher frame (C),
The present invention can be used as a cane wheel by hand, and in that case, even if an unreasonable pushing force acts on the pusher frame (C), a receiving groove (opened to the reinforcing pin (25) side of the pusher frame (C) ( 3
Since the fitting protrusion (34) protruding from the reinforcing pin (22) side of the rear wheel support leg (B) is fitted to one end of (5), the pusher frame (C) is accidentally lowered. It can be said that it is a safe old man's car as a substitute for a cane that leans against it without fear of being caught.
そして、その老人車としての手押し使用状態から一旦固
定ナツト(30)を弛緩させた上、第２１図のように前輪支
持脚（Ａ）に対して、後方から後輪支持脚（Ｂ）を重ね
合わせるように折りたたみ、その状態を固定ナツト(30)
により施錠するならば、上記老人車をシヨツピングカー
トとして、押手枠（Ｃ）を前方へ引張り使用することも
可能となる。Then, after temporarily loosening the fixing nut (30) from the state of using the handwheel as an elderly car, as shown in FIG. 21, the rear wheel support leg (B) is overlaid on the front wheel support leg (A) from behind. Fold to fit and keep the nut in place (30)
If it is locked by means of the above, it becomes possible to pull the pusher frame (C) forward and use the elderly car as a shopping cart.
その際、シヨツピングバツグ(42)は前輪支持脚（Ａ）へ
そのままもたれ掛かることとなり、又後輪(20)のみが接
地作用するため、老人でも軽快に且つ支障なく引張り使
用できるのである。At this time, the shopping bag (42) leans against the front wheel support leg (A) as it is, and since only the rear wheel (20) acts on the ground, it can be used by an elderly person in a light and comfortable manner.
又、上記のように前輪支持脚（Ａ）と後輪支持脚（Ｂ）
とを閉脚させるだけでなく、更に押手枠（Ｃ）も前方へ
倒す如く回動操作して、その押手枠（Ｃ）を第２０図の
ように、前輪支持脚（Ａ）と重なり合う状態に折りたた
むことができる。Further, as described above, the front wheel support leg (A) and the rear wheel support leg (B)
In addition to closing the legs, the pusher frame (C) is further rotated forward so that the pusher frame (C) is folded so as to overlap the front wheel support leg (A) as shown in FIG. be able to.
そうすれば、前輪支持脚（Ａ）と後輪支持脚（Ｂ）並び
に押手枠（Ｃ）は、その一定間隔(W1)(W2)(W3)につき広
狭変化が与えられているため、全体的に著しく扁平化す
ると共に、押手枠（Ｃ）が下方へ倒されることとも相俟
って、その背丈も約半分に嵩低くなり、小型コンパクト
な折りたたみ状態として効果的に格納できるのである。By doing so, the front wheel support leg (A), the rear wheel support leg (B), and the pusher frame (C) are given wide and narrow changes at the constant intervals (W1) (W2) (W3), so that the overall In addition to being significantly flattened, and in combination with the pusher frame (C) being tilted downward, its height is reduced to about half, and it can be effectively stored as a small and compact folded state.
このような効果の達成については、バツグ受け座(40)を
伏倒状態に施錠できることも、有機的に働くこととな
る。尚、上記操作を逆方向に加えることによって、全体
的な折りたたみ状態からシヨツピングカートとしての引
張り使用状態や、老人車としての手押し使用状態へ、各
々変換できること言うまでもない。In order to achieve such an effect, the fact that the bag receiving seat (40) can be locked in the lying down state also works organically. Needless to say, by applying the above operations in the opposite direction, the entire folded state can be converted into a pulling state as a shopping cart or a hand pushing state as an elderly car.
〈考案の効果〉 以上のように、本考案の折りたたみ式老人車では、一定
間隔(W1)を保つ正面視のほぼＵ字型に枠組み形成された
前輪支持脚（Ａ）と、 その前輪支持脚（Ａ）よりも広幅な一定間隔(W2)を保つ
正面視の相似なＵ字型に枠組み形成された後輪支持脚
（Ｂ）と、 その後輪支持脚（Ｂ）よりも更に広幅な一定間隔(W3)を
保つ正面視のほぼ倒立Ｕ字型に曲成された押手枠（Ｃ）
とを備え、 上記前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手枠
（Ｃ）を悉く金属の中空パイプ材として、その両支持脚
（Ａ）（Ｂ）の上端部には左右一対の補強ピン(15)(22)
を各々植込み固定する一方、押手枠（Ｃ）の下端部にも
左右一対の補強ピン(25)を植込み一体化して、 上記補強ピン(15)(22)(25)の露出頭部(16)(23)(26)を悉
く横並び状態に整合させた上、その露出頭部(16)(23)(2
6)へ１本の枢支軸(28)を水平に串刺し貫通させることに
より、前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手
枠（Ｃ）の三者を回動自在に組付けると共に、 上記横並び状態にある前輪支持脚（Ａ）の補強ピン(15)
と後輪支持脚（Ｂ）の補強ピン(22)との隣接相互間で
は、その何れか一方の露出頭部(23)から２個１組の平行
な嵌合凸子(32)を各々水平に張り出し、 残る他方の露出頭部(16)にその各嵌合凸子(32)の受け入
れ凹溝(33)を対応開口させて、その凸子(32)と凹溝(33)
との嵌合により、前輪支持脚（Ａ）と後輪支持脚（Ｂ）
とを４５〜６０度の回動角度範囲（θ）において、相対
的に開閉操作できるように定め、 同じく横並び状態にある後輪支持脚（Ｂ）の補強ピン(2
2)と押手枠（Ｃ）の補強ピン(25)との隣接相互間では、
その何れか一方の露出頭部(23)から別な１個の嵌合凸子
(34)を水平に張り出し、 残る他方の露出頭部(26)にその嵌合凸子(34)の受け入れ
凹溝(35)を対応開口させて、その凸子(34)と凹溝(35)と
の嵌合により、押手枠（Ｃ）を後輪支持脚（Ｂ）に対す
る２２５〜２４０度の回動角度範囲（γ）において、起
伏操作できるように定めると共に、 上記両支持脚（Ａ）（Ｂ）の開閉操作状態と押手枠
（Ｃ）の起伏操作状態を、上記枢支軸(28)の端部に螺合
された固定ナツト(30)の締め上げによって、各々施錠で
きるように構成してあるため、冒頭に述べた従来技術の
課題を完全に解決できる効果がある。<Effects of the Invention> As described above, in the folding type elderly car of the present invention, the front wheel support leg (A) and the front wheel support leg (A), which are framed in a substantially U-shape when viewed from the front, which keeps a constant distance (W1). A rear wheel support leg (B) framed in a U-shape similar to the front view that keeps a constant width (W2) wider than (A), and a constant width wider than the rear wheel support leg (B) A pusher frame (C) that is bent in a substantially inverted U shape in front view to keep (W3)
As a metal hollow pipe material that crushes the front wheel support leg (A), the rear wheel support leg (B), and the pusher frame (C), the left and right ends of the support legs (A) and (B) are Pair of reinforcement pins (15) (22)
While fixing and fixing each of them, a pair of left and right reinforcing pins (25) are also implanted and integrated into the lower end portion of the pusher frame (C) to expose the above-mentioned reinforcing pins (15), (22) and (25) to the exposed head (16). (23) (26) is aligned in a side-by-side alignment, and its exposed head (16) (23) (2
By horizontally skewering one pivot shaft (28) to 6) and penetrating it, the front wheel support leg (A), the rear wheel support leg (B) and the pusher frame (C) are rotatably assembled. Reinforcement pin (15) of front wheel support leg (A) in the side-by-side state
And the reinforcing pin (22) of the rear wheel support leg (B) are adjacent to each other, a pair of parallel fitting protrusions (32) are horizontally provided from one of the exposed heads (23). Extend to the other exposed head (16) and open the receiving concave groove (33) of each mating convex (32) correspondingly, and project the convex (32) and concave groove (33).
By fitting with the front wheel support leg (A) and the rear wheel support leg (B)
Are defined so that they can be relatively opened and closed within a rotation angle range (θ) of 45 to 60 degrees, and the reinforcement pin (2) of the rear wheel support leg (B) also in the side-by-side state.
2) and the reinforcing pin (25) of the pusher frame (C),
One mating protrusion separate from the exposed head (23) of either one
(34) is projected horizontally, and the receiving concave groove (35) of the fitting projection (34) is opened correspondingly to the other exposed head (26), and the projection (34) and the concave groove (35 ), The pusher frame (C) is determined so that it can be raised and lowered in a rotation angle range (γ) of 225 to 240 degrees with respect to the rear wheel support leg (B), and the both support legs (A) are The open / close operation state of (B) and the up / down operation state of the pusher frame (C) can be locked by tightening the fixing nut (30) screwed to the end of the pivot shaft (28). Therefore, there is an effect that the problem of the prior art described at the beginning can be completely solved.
即ち、本考案の場合前輪支持脚（Ａ）と後輪支持脚
（Ｂ）並びに押手枠（Ｃ）の三者が、１本の共通な枢支
軸(28)を介して回動自在に組付けられていると共に、そ
の全体的な横並び状態に整合される補強ピン(15)(22)(2
5)の隣り合う相互間において、嵌合凸子(32)(34)とその
受け入れ凹溝(33)(35)との嵌合により、両支持脚（Ａ）
（Ｂ）の開閉角度範囲や押手枠（Ｃ）の起伏角度範囲が
規定されるようになっているため、全体的な折りたたみ
機構として著しく簡素化できるのであり、それにも拘ら
ず補強ピン(15)(22)(25)の植込み固定によって、全体的
な組立強度アツプも図れることとなる。That is, in the case of the present invention, the front wheel support leg (A), the rear wheel support leg (B), and the pusher frame (C) are rotatably assembled through one common pivot shaft (28). Reinforcement pins (15) (22) (2) attached and aligned with their overall side-by-side alignment
The adjacent support legs (A) are formed by fitting the fitting protrusions (32) and (34) and the receiving recessed grooves (33) and (35) between the two adjacent ones.
Since the opening / closing angle range of (B) and the undulation angle range of the pusher frame (C) are regulated, the overall folding mechanism can be significantly simplified, and nevertheless the reinforcing pin (15) (22) (25) Implantation and fixing will also improve overall assembly strength.
又、前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手枠
（Ｃ）は、その一定間隔(W1)(W2)(W3)につき順次広くな
る関係として相違変化されており、しかも押手枠（Ｃ）
が枢支軸(28)の廻りに伏倒して、前輪支持脚（Ａ）と重
なり合うように折りたたまれるため、その不使用時の全
体的な折りたたみ状態としても、背丈が約半分として著
しく小型扁平になり、省スペース効果に優れる。Further, the front wheel support leg (A), the rear wheel support leg (B), and the pusher frame (C) are changed differently as the relationship is gradually widened at the constant intervals (W1) (W2) (W3). Frame (C)
Folds down around the pivot axis (28) and folds so that it overlaps with the front wheel support legs (A), so even when the entire folding state when not in use, the height is about half and it is remarkably small and flat. And is excellent in space saving effect.
本考案の場合、ショッピングバッグ(42)は前輪支持脚
（Ａ）にもたれかかる如く、吊り下げ設置されるように
なっているが、その前輪支持脚（Ａ）の一定間隔(W1)に
比して、後輪支持脚（Ｂ）と押手枠（Ｃ）の一定間隔(W
2)(W3)が順次広幅に関係設定されているため、冒頭に述
べた従来技術と異なり、その折りたたみ時にもバッグ(4
2)の折り込み押し潰されるおそれがなく、そのバッグ(4
2)の影響を受けず、円滑に両支持脚（Ａ）（Ｂ）や押手
枠（Ｃ）の折りたたみを行えるわけである。In the case of the present invention, the shopping bag (42) is hung so that it leans against the front wheel support leg (A), but the shopping bag (42) is compared with the fixed interval (W 1 ) of the front wheel support leg (A). The rear wheel support leg (B) and the pusher frame (C) at a fixed interval (W
2 ) (W 3 ) are sequentially set to be wider, so unlike the prior art described at the beginning, the bag (4
The bag (4
It is possible to smoothly fold both supporting legs (A) and (B) and the pusher frame (C) without being affected by 2).
特に、本考案では前輪支持脚（Ａ）の補強ピン(15)と、
後輪支持脚（Ｂ）の補強ピン(22)との隣接相互間が、そ
の何れか一方の嵌合凸子(32)と、他方の受け入れ凹溝(3
3)との嵌合により、その両支持脚（Ａ）（Ｂ）を４５〜
６０度の回動角度範囲（θ）において相対的に開閉操作
できるように定められている。Particularly, in the present invention, the reinforcement pin (15) of the front wheel support leg (A),
Between the adjacent one of the rear wheel support leg (B) and the reinforcing pin (22), one of the fitting convexes (32) and the other receiving concave groove (3
By fitting with 3), both support legs (A) and (B) are
The opening / closing operation is defined so that the opening / closing operation can be relatively performed in the rotation angle range (θ) of 60 degrees.
しかも、上記後輪支持脚（Ｂ）の補強ピン(22)と、押手
枠（Ｃ）の補強ピン(25)との隣接相互間では、その何れ
か一方の嵌合凸子(34)と、他方の受け入れ凹溝(35)との
嵌合により、押手枠（Ｃ）が後輪支持脚（Ｂ）に対して
２２５〜２４０度の回動角度範囲（γ）だけ起伏操作で
きるように定められている。In addition, between the reinforcing pin (22) of the rear wheel support leg (B) and the reinforcing pin (25) of the pusher frame (C), one of the fitting protrusions (34) is provided between the adjacent reinforcing pins. By fitting the other receiving groove (35), the pusher frame (C) can be raised and lowered with respect to the rear wheel support leg (B) within a rotation angle range (γ) of 225 to 240 degrees. ing.
そのため、第１〜６図のような杖車としての組立使用状
態と、第１７図のような折りたたみ状態のほかに、第２
１図のような押手枠（Ｃ）を前輪支持脚（Ａ）の後上方
へ延長させた組立状態のもとで、その後輪支持脚（Ｂ）
のみを後方から前輪支持脚（Ａ）へ重ね合わせ接近させ
た折りたたみ状態に施錠することもでき、これにより本
考案をショッピングカートとして前方から引張り使用す
ることも可能である。Therefore, in addition to the assembled and used state as a cane wheel as shown in FIGS. 1 to 6 and the folded state as shown in FIG.
Under the assembled state in which the pusher frame (C) as shown in FIG. 1 is extended upward and rearward of the front wheel support leg (A), the rear wheel support leg (B)
It is also possible to lock the chisel from the rear side to the front wheel support leg (A) in a folded state in which they are brought close to each other, so that the present invention can be used by pulling from the front side as a shopping cart.
その際、ショッピングバッグ(42)は前輪支持脚（Ａ）へ
もたれ掛かる設置状態にあり、その前輪支持脚（Ａ）に
対して後方から重なり合う広幅な後輪支持脚（Ｂ）の後
輪(20)が接地作用するため、老人でも軽快に押手枠
（Ｃ）を握り持って引張り使用できると共に、上記バッ
グ(42)を後輪支持脚（Ｂ）によって挟み付け押し潰すお
それも一切ない。At this time, the shopping bag (42) is in a state of leaning against the front wheel support leg (A), and the rear wheel (20) of the wide rear wheel support leg (B) overlapping the front wheel support leg (A) from behind. ) Acts on the ground, an old man can easily hold and hold the pusher frame (C) and use it, and there is no possibility that the bag (42) will be pinched and crushed by the rear wheel support legs (B).
更に、上記前輪支持脚（Ａ）と後輪支持脚（Ｂ）との開
閉度を、その予め決められた回動角度範囲（θ）内にお
いて、又押手枠（Ｃ）の起伏度をやはり予め決められた
回動角度範囲（γ）内において、その何れも枢支軸(28)
に対する固定ナット(30)の締め上げ操作時に調整するこ
とができ、このような効果も冒頭に述べた従来技術の構
成からは達成不可能である。Furthermore, the opening / closing degree of the front wheel support leg (A) and the rear wheel support leg (B) is set within the predetermined rotation angle range (θ), and the undulation degree of the pusher frame (C) is set in advance. Within the specified rotation angle range (γ), both of them are pivot shafts (28)
Can be adjusted during the tightening operation of the fixing nut (30) with respect to the above, and such an effect cannot be achieved by the configuration of the prior art mentioned at the beginning.
殊更、請求項２の構成を採用するならば、その杖車とし
ての手押し使用時と、ショッピングカートとしての引張
り使用時との何れにあっても、ショッピングバッグ(42)
をそのバッグ受け座(40)によって、一層安定良く支持で
き、これに収納される品物の制約を受けない利点がある
ほか、上記バッグ受け座(40)を前輪支持脚（Ａ）への重
合状態に伏倒させた上、これを前輪支持脚（Ａ）に沿い
スライドする補強桟(36)の係止爪(38)によって施錠する
ことができるため、上記折りたたみ状態の全体をますま
す小型扁平化し得る効果もある。In particular, if the configuration of claim 2 is adopted, the shopping bag (42) is used regardless of whether the hand cart is used as a wagon or the pulling is used as a shopping cart.
Can be more stably supported by the bag receiving seat (40) and is not restricted by the items stored therein, and the bag receiving seat (40) is superposed on the front wheel supporting leg (A). Since it can be locked down by the locking claws (38) of the reinforcing bars (36) that slide along the front wheel support legs (A), the entire folded state can be made even smaller and flatter. There is also an effect to be obtained.
第１図は本考案の手押し使用状態を示す斜面図、第２、
３図はその正面図と側面図、第４図は第２図の４−４線
断面図、第５図は第１図に対応するバツグ受け座の倒し
上げ施錠状態を示す斜面図、第６図は第５図の６−６線
断面図、第７図は第３図の７−７線に沿う部分拡大断面
図、第８図は補強ピンの全体的な横並び状態を分解して
示す斜面図、第９図は前輪支持脚の補強ピンを抽出して
示す正面図、第１０図は第９図の１０−１０線断面図、
第１１図は後輪支持脚の補強ピンを抽出して示す正面
図、第１２、１３図は同じく左・右側面図、第１４図は
押手枠の補強ピンを抽出して示す正面図、第１５図は第
１４図の１５−１５線断面図、第１６図は第７図の１６
−１６線に沿う両支持脚の開脚状態を示す部分断面図、
第１７図は同じく両支持脚の閉脚状態を示す部分断面
図、第１８図は第７図の１８−１８線に沿う押手枠の起
立状態を示す部分断面図、第１９図は同じく押手枠の伏
倒状態を示す部分断面図、第２０図は第４図に対応する
全体的な折りたたみ状態を示す側断面図、第２１図はシ
ヨツピングカートとしての使用状態を示す側面図、第２
２〜２４図は第４図の２２−２２線、２３−２３線並び
に２４−２４線に沿う各拡大断面図、第２５図は第２２
図の２５−２５線断面図である。 (15)(22)(25)……補強ピン (16)(23)(26)……頭部 (17)(24)(27)……軸受け孔 (28)……枢支軸 (30)……固定ナツト (32)(34)……嵌合凸子 (33)(35)……受け入れ凹溝 (36)(37)……補強桟 (38)……係止爪 (40)……バツグ受け座 (42)……シヨツピングバツグ （Ａ）……前輪支持脚 （Ｂ）……後輪支持脚 （Ｃ）……押手枠 (W1)(W2)(W3)……一定間隔 （θ）（γ）……回動角度範囲FIG. 1 is a perspective view showing a state in which the present invention is used by hand,
3 is a front view and a side view thereof, FIG. 4 is a sectional view taken along the line 4-4 of FIG. 2, and FIG. 5 is a perspective view showing a state in which the bag receiving seat corresponding to FIG. 6 is a sectional view taken along line 6-6 in FIG. 5, FIG. 7 is a partially enlarged sectional view taken along line 7-7 in FIG. 3, and FIG. 8 is an exploded perspective view showing the overall lateral arrangement of the reinforcing pins. Fig. 9 is a front view showing a reinforcing pin of a front wheel support leg in an extracted manner, Fig. 10 is a sectional view taken along line 10-10 of Fig. 9,
FIG. 11 is a front view showing the reinforcement pins of the rear wheel support legs in an extracted manner, FIGS. 12 and 13 are also left and right side views, and FIG. 14 is a front view showing the reinforcement pins of the pusher frame in an extracted manner. 15 is a sectional view taken along line 15-15 of FIG. 14, and FIG. 16 is 16 of FIG.
Partial cross-sectional view showing an open state of both support legs along line -16,
FIG. 17 is a partial sectional view showing a closed state of both supporting legs, FIG. 18 is a partial sectional view showing a standing state of the pusher frame along line 18-18 of FIG. 7, and FIG. FIG. 20 is a partial sectional view showing a lying state, FIG. 20 is a side sectional view showing an overall folded state corresponding to FIG. 4, and FIG. 21 is a side view showing a use state as a shopping cart.
2 to 24 are enlarged cross-sectional views taken along the line 22-22, the line 23-23 and the line 24-24 in FIG. 4, and FIG.
FIG. 25 is a sectional view taken along line 25-25 of the figure. (15) (22) (25) …… Reinforcing pin (16) (23) (26) …… Head (17) (24) (27) …… Bearing hole (28) …… Pivot shaft (30) ...... Fixing nut (32) (34) …… Mating convex (33) (35) …… Receiving groove (36) (37) …… Reinforcing bar (38) …… Locking claw (40) …… Bag receiving seat (42) …… Shooting bag (A) …… Front wheel support leg (B) …… Rear wheel support leg (C) …… Pusher frame (W1) (W2) (W3) …… Constant interval ( θ) (γ) …… Rotation angle range
Claims (2)
枠組み形成された前輪支持脚（Ａ）と、 その前輪支持脚（Ａ）よりも広幅な一定間隔(W2)を保つ
正面視の相似なＵ字型に枠組み形成された後輪支持脚
（Ｂ）と、 その後輪支持脚（Ｂ）よりも更に広幅な一定間隔(W3)を
保つ正面視のほぼ倒立Ｕ字型に曲成された押手枠（Ｃ）
とを備え、 上記前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手枠
（Ｃ）を悉く金属の中空パイプ材として、その両支持脚
（Ａ）（Ｂ）の上端部には左右一対の補強ピン(15)(22)
を各々植込み固定する一方、押手枠（Ｃ）の下端部にも
左右一対の補強ピン(25)を植込み一体化して、 上記補強ピン(15)(22)(25)の露出頭部(16)(23)(26)を悉
く横並び状態に整合させた上、その露出頭部(16)(23)(2
6)へ１本の枢支軸(28)を水平に串刺し貫通させることに
より、前輪支持脚（Ａ）と後輪支持脚（Ｂ）並びに押手
枠（Ｃ）の三者を回動自在に組付けると共に、 上記横並び状態にある前輪支持脚（Ａ）の補強ピン(15)
と後輪支持脚（Ｂ）の補強ピン(22)との隣接相互間で
は、その何れか一方の露出頭部(23)から２個１組の平行
な嵌合凸子(32)を各々水平に張り出し、 残る他方の露出頭部(16)にその各嵌合凸子(32)の受け入
れ凹溝(33)を対応開口させて、その凸子(32)と凹溝(33)
との嵌合により、前輪支持脚（Ａ）と後輪支持脚（Ｂ）
とを４５〜６０度の回動角度範囲（θ）において、相対
的に開閉操作できるように定め、 同じく横並び状態にある後輪支持脚（Ｂ）の補強ピン(2
2)と押手枠（Ｃ）の補強ピン(25)との隣接相互間では、
その何れか一方の露出頭部(23)から別な１個の嵌合凸子
(34)を水平に張り出し、 残る他方の露出頭部(26)にその嵌合凸子(34)の受け入れ
凹溝(35)を対応開口させて、その凸子(34)と凹溝(35)と
の嵌合により、押手枠（Ｃ）を後輪支持脚（Ｂ）に対す
る２２５〜２４０度の回動角度範囲（γ）において、起
伏操作できるように定めると共に、 上記両支持脚（Ａ）（Ｂ）の開閉操作状態と押手枠
（Ｃ）の起伏操作状態を、上記枢支軸(28)の端部に螺合
された固定ナツト(30)の締め上げによって、各々施錠で
きるように構成したことを特徴とする折りたたみ式の老
人車。1. A front wheel support leg (A) which is framed in a substantially U-shape in a front view to keep a constant distance (W1) and a constant width (W2) wider than the front wheel support leg (A). A rear wheel support leg (B) that is framed in a U-shape similar to the front view, and an almost inverted U-shape in front view that maintains a wider space (W3) wider than the rear wheel support leg (B) Curved pusher frame (C)
As a metal hollow pipe material that crushes the front wheel support leg (A), the rear wheel support leg (B), and the pusher frame (C), the left and right ends of the support legs (A) and (B) are Pair of reinforcement pins (15) (22)
While fixing and fixing each of them, a pair of left and right reinforcing pins (25) are also implanted and integrated into the lower end portion of the pusher frame (C) to expose the above-mentioned reinforcing pins (15), (22) and (25) to the exposed head (16). (23) (26) is aligned in a side-by-side alignment, and its exposed head (16) (23) (2
By horizontally skewering one pivot shaft (28) to 6) and penetrating it, the front wheel support leg (A), the rear wheel support leg (B) and the pusher frame (C) are rotatably assembled. Reinforcement pin (15) of front wheel support leg (A) in the side-by-side state
And the reinforcing pin (22) of the rear wheel support leg (B) are adjacent to each other, a pair of parallel fitting protrusions (32) are horizontally provided from one of the exposed heads (23). Extend to the other exposed head (16) and open the receiving concave groove (33) of each mating convex (32), and then project the convex (32) and concave groove (33).
By fitting with the front wheel support leg (A) and the rear wheel support leg (B)
Are set so that they can be opened and closed relatively in the rotation angle range (θ) of 45 to 60 degrees, and the reinforcement pin (2) of the rear wheel support leg (B) also in the side-by-side state is set.
2) and the reinforcing pin (25) of the pusher frame (C),
One mating protrusion separate from the exposed head (23) of either one
(34) is projected horizontally, and the receiving concave groove (35) of the fitting convex (34) is opened correspondingly to the other exposed head (26), and the convex (34) and concave groove (35) ), The pusher frame (C) is determined so that it can be lifted and lowered within a rotation angle range (γ) of 225 to 240 degrees with respect to the rear wheel support leg (B), and the both support legs (A) are The open / close operation state of (B) and the up / down operation state of the pusher frame (C) can be locked by tightening the fixing nut (30) screwed to the end of the pivot shaft (28). A folding old man's car that is characterized by
(36)を上下方向へのスライド自在に横架させ、その補強
桟(36)の中央部から係止爪(38)を下向き一体的に張り出
すと共に、 同じく前輪支持脚（Ａ）の下端部付近に、シヨツピング
バツグ(42)の底面受け座(40)を起伏自在に枢着させて、 上記前輪支持脚（Ａ）への重合状態に伏倒させたバツグ
受け座(40)を、その前輪支持脚（Ａ）に沿い下方へスラ
イドする補強桟(36)の係止爪(38)により、施錠できるよ
うに構成したことを特徴とする請求項１記載の折りたた
み式の老人車。2. A reinforcing bar at a mid-height position of the front wheel support leg (A).
(36) is horizontally slidable in the vertical direction, the locking claw (38) is projected downward from the center of the reinforcing bar (36), and the lower end of the front wheel support leg (A) is also formed. In the vicinity, the bottom receiving seat (40) of the shopping bag (42) is rotatably pivotally attached, and the bag receiving seat (40) which is laid down on the front wheel support leg (A) in a piled state, 2. The foldable elderly car according to claim 1, wherein the locking claw (38) of the reinforcing bar (36) that slides downward along the front wheel support leg (A) enables locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990005432U JPH0629147Y2 (en) | 1990-01-23 | 1990-01-23 | Folding old man car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990005432U JPH0629147Y2 (en) | 1990-01-23 | 1990-01-23 | Folding old man car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0396272U JPH0396272U (en) | 1991-10-01 |
| JPH0629147Y2 true JPH0629147Y2 (en) | 1994-08-10 |
Family
ID=31509146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990005432U Expired - Lifetime JPH0629147Y2 (en) | 1990-01-23 | 1990-01-23 | Folding old man car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629147Y2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3750104B2 (en) * | 2001-01-31 | 2006-03-01 | 須恵廣工業株式会社 | Shopping wheelbarrow with seat |
| JP5571823B1 (en) * | 2013-05-16 | 2014-08-13 | 八重子 豊蔵 | Folding shopping cart |
| JP6907084B2 (en) * | 2017-09-28 | 2021-07-21 | 株式会社クボタ | Mobile |
| JP6976792B2 (en) * | 2017-09-28 | 2021-12-08 | 株式会社クボタ | Mobile |
| JP6949642B2 (en) * | 2017-09-28 | 2021-10-13 | 株式会社クボタ | Mobile |
| JP7228986B2 (en) * | 2018-10-23 | 2023-02-27 | 東芝テック株式会社 | shopping cart |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820753U (en) * | 1971-07-15 | 1973-03-09 | ||
| JPS5151475Y2 (en) * | 1971-08-09 | 1976-12-09 |
-
1990
- 1990-01-23 JP JP1990005432U patent/JPH0629147Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0396272U (en) | 1991-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |