JP2003146281A - Folding bicycle with caster - Google Patents
Folding bicycle with casterInfo
- Publication number
- JP2003146281A JP2003146281A JP2001345063A JP2001345063A JP2003146281A JP 2003146281 A JP2003146281 A JP 2003146281A JP 2001345063 A JP2001345063 A JP 2001345063A JP 2001345063 A JP2001345063 A JP 2001345063A JP 2003146281 A JP2003146281 A JP 2003146281A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- wheel
- support
- support shaft
- fulcrum
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K2015/005—Collapsible or foldable cycles having additional wheels for use when folded or collapsed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、折り畳んだ状態で
キャスターにより床面を楽に転がして移動できる折り畳
み式自転車に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable bicycle in which a caster can easily roll and move the floor surface in a folded state.
【０００２】[0002]
【従来の技術】本願出願人は、先に、特開２００１−１
１４１７４号公報において、立パイプと前パイプとを、
前方が二股フォーク状に分岐している支持パイプで連結
するとともに、前パイプの両側に連設したスライドパイ
プによって支持パイプの二股部を前パイプが前後にスラ
イド可能及び固定可能となるように構成し、支持パイプ
の軸線とは偏倚した支点を軸として支持パイプが直線状
態から１８０度折曲可能に構成し、さらに、立パイプの
下端にキャスターを取り付けたキャスター付き折り畳み
式自転車を開示した。これによって、折り畳んだ状態で
の自転車の運搬が楽に行えるようになった。2. Description of the Related Art The applicant of the present application has previously filed Japanese Patent Application Laid-Open No. 2001-1.
In Japanese Patent No. 14174, a vertical pipe and a front pipe are
The front pipe is connected with a support pipe that branches into a fork-like shape, and the front and rear pipes are configured so that the front pipe can be slid back and forth and fixed by the slide pipes connected to both sides of the front pipe. A foldable bicycle with casters is disclosed in which the support pipe is configured to be bendable from a straight state by 180 degrees about a fulcrum that is offset from the axis of the support pipe, and further casters are attached to the lower end of the standing pipe. This makes it easier to carry the bicycle when folded.
【０００３】[0003]
【発明が解決しようとする課題】しかし、この折り畳み
式自転車では、折り畳んだ状態で前輪と後輪の位置を一
致させコンパクトにするために、折り畳み時にはスライ
ドパイプを支持パイプの二股部に対して後方になるよう
にスライドさせる必要がある。逆に、組み立て時にはス
ライドパイプを支持パイプの二股部に対して所定の位置
となるように前方にスライドさせ固定する必要がある。
このように、折り畳み及び組み立て時にスライドパイプ
を前後にスライドさせる必要があるので、折り畳みと組
み立てに時間を要するという問題がある。However, in this foldable bicycle, in order to make the front wheel and the rear wheel coincide with each other in the folded state so as to be compact, the slide pipe is rearward with respect to the forked portion of the support pipe when folded. Need to slide to become. On the contrary, at the time of assembly, it is necessary to slide and fix the slide pipe forward so as to be at a predetermined position with respect to the bifurcated portion of the support pipe.
As described above, since it is necessary to slide the slide pipe back and forth during folding and assembling, there is a problem that it takes time to fold and assemble.
【０００４】そこで、本発明が解決しようとする課題
は、短時間で折り畳みと組み立てができ、しかも折り畳
んだ状態では前輪と後輪の位置が一致しコンパクトにす
ることができる折り畳み式自転車を提供することにあ
る。Therefore, the problem to be solved by the present invention is to provide a foldable bicycle which can be folded and assembled in a short time, and in which the front wheels and the rear wheels are in the same position in a folded state and can be made compact. Especially.
【０００５】[0005]
【課題を解決するための手段】前記課題を解決するため
に、本発明のキャスター付き折り畳み式自転車は、後輪
側の立パイプと前輪側の前パイプとを支持パイプで連結
するとともに、前記支持パイプに設けた支点を軸として
支持パイプを直線状態から折曲可能とし、前記立パイプ
の下端にキャスターを取り付けたキャスター付き折り畳
み式自転車において、前記支点を、前輪を１８０度回転
させたときの前輪の車輪軸と後輪の車輪軸との間隔を２
等分する位置に設けたことを特徴とする。これによっ
て、支点を軸として前輪の前方が後輪の前方と揃うよう
に折り畳むだけで、前輪と後輪の位置が確実に一致しコ
ンパクトとなる。In order to solve the above-mentioned problems, in the folding bicycle with casters of the present invention, the standing pipe on the rear wheel side and the front pipe on the front wheel side are connected by a support pipe, and the support is provided. In a foldable bicycle with casters, in which a support pipe is bendable from a straight line with a fulcrum provided on a pipe as an axis, and a caster is attached to a lower end of the standing pipe, the fulcrum is a front wheel when a front wheel is rotated 180 degrees. The distance between the wheel axle of the rear wheel and the wheel axle of the rear
It is characterized in that it is provided at equal positions. As a result, the front wheel and the rear wheel are surely aligned with each other by simply folding them so that the front of the front wheel is aligned with the front of the rear wheel with the fulcrum as an axis, thereby achieving compactness.
【０００６】また、本発明のキャスター付き折り畳み式
自転車においては、前記支点を、平面視で前記支持パイ
プと重なり合うように設けることが好ましい。これによ
って、支持パイプの側方からの突き出しが小さくなるの
で、自転車の使用時に支点が運転の支障となることがな
い。また、支点部分の強度も向上する。In the foldable bicycle with casters of the present invention, it is preferable that the fulcrum is provided so as to overlap the support pipe in a plan view. As a result, the protrusion of the support pipe from the side is reduced, so that the fulcrum does not hinder driving when the bicycle is used. Further, the strength of the fulcrum portion is also improved.
【０００７】さらに、本発明のキャスター付き折り畳み
式自転車においては、前記支点を１本の支軸とし、前記
支持パイプを、後方を立パイプに固定した第１支持パイ
プと前方を前パイプに固定した第２支持パイプとから構
成するとともに、前記第１支持パイプと第２支持パイプ
とを前記支軸によって折曲可能に連結し、前記支軸を着
脱可能とすることが好ましい。これによって、支軸を取
り外すと自転車の前輪側と後輪側を分離することができ
るので、自転車の前輪側または後輪側の一方が破損した
場合は、その破損した方だけを取り替えればよく、修理
コストの低減及び資源の節約が可能である。Further, in the foldable bicycle with casters according to the present invention, the fulcrum is used as one fulcrum, and the supporting pipe is fixed to the first supporting pipe whose rear is fixed to the standing pipe and the front is fixed to the front pipe. It is preferable that the support shaft is composed of a second support pipe, the first support pipe and the second support pipe are foldably connected by the support shaft, and the support shaft is detachable. This allows the front wheel side and rear wheel side of the bicycle to be separated by removing the spindle, so if either the front wheel side or the rear wheel side of the bicycle is damaged, replace only the damaged one. It is possible to reduce repair cost and save resources.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を図面
に示す実施例に基づいて具体的に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below based on Examples shown in the drawings.
【０００９】図１は本発明の実施例の通常使用時の構成
を示す側面図である。同図に示すように、本実施例にお
けるキャスター付き折り畳み式自転車は、後輪側の立パ
イプ１と前輪側の前パイプ２とを支持パイプ３で連結す
ることによって構成されている。支持パイプ３は、後方
を立パイプ１に固定した第１支持パイプ４と前方を前パ
イプ２に固定した第２支持パイプ５とから構成されてお
り、第１支持パイプ４と第２支持パイプ５を１本の支軸
６によって折曲可能に連結している。FIG. 1 is a side view showing the configuration of an embodiment of the present invention during normal use. As shown in the figure, the foldable bicycle with casters in the present embodiment is configured by connecting a standing pipe 1 on the rear wheel side and a front pipe 2 on the front wheel side with a support pipe 3. The support pipe 3 is composed of a first support pipe 4 whose rear part is fixed to the vertical pipe 1 and a second support pipe 5 whose front part is fixed to the front pipe 2, and the first support pipe 4 and the second support pipe 5 are provided. Are foldably connected by a single support shaft 6.
【００１０】立てタイプ１の上端にはサドル７が設けら
れており、このサドル７はサドル座部７ａの前方に設け
たピン（図示せず）を軸として図１中の矢印方向に倒伏
可能である。また、サドル座部７ａの後端には折り畳み
状態での把持部となる取手８が設けられている。立てタ
イプ１の下端には、キャスター９が設けられている。こ
のキャスター９は、車輪が左右に２つ連なった、いわゆ
るダブルキャスターであり、車輪間の距離は約１２ｃｍ
とし、車輪の大きさは直径５ｃｍ以上としている。車輪
の大きさが直径５ｃｍより小さいと歩道や駅のホームの
タイルの目地等によって、車輪がガタつきやすくなるの
で好ましくない。さらに、立てタイプ１の下方であって
キャスター９の上方位置にはペダル１０が設けられ、立
てパイプ１の後方には後輪１１が設けられている。後輪
１１の上方には荷台１２が設けられている。一方、前パ
イプ２の上端には、ハンドル１３が設けられている。こ
のハンドル１３は、ピン１３ａを軸として、図１中の矢
印方向に９０度回して倒伏可能である。また、前パイプ
２の下端には、前輪１４が設けられている。A saddle 7 is provided at the upper end of the stand type 1, and the saddle 7 can be laid down in the direction of the arrow in FIG. 1 around a pin (not shown) provided in front of the saddle seat portion 7a as an axis. is there. Further, a handle 8 serving as a gripping portion in a folded state is provided at the rear end of the saddle seat portion 7a. A caster 9 is provided at the lower end of the stand type 1. This caster 9 is a so-called double caster in which two wheels are connected to the left and right, and the distance between the wheels is about 12 cm.
The size of the wheel is 5 cm or more in diameter. If the size of the wheel is smaller than 5 cm, it is not preferable because the wheel is apt to rattle due to the joints of tiles on the sidewalk or the platform of the station. Further, a pedal 10 is provided below the stand type 1 and above the caster 9, and a rear wheel 11 is provided behind the stand pipe 1. A luggage carrier 12 is provided above the rear wheel 11. On the other hand, a handle 13 is provided at the upper end of the front pipe 2. The handle 13 can be laid down by turning 90 degrees around the pin 13a in the direction of the arrow in FIG. A front wheel 14 is provided at the lower end of the front pipe 2.
【００１１】図２は、図１の状態から前輪を１８０度回
転させた状態の側面図であって、本発明の支軸（支点）
の配置位置を説明するための図である。同図に示すよう
に、支軸６は、前輪１４を１８０度回転させたときの車
輪軸１４ａと後輪１１の車輪軸１１ａとの間隔Ｄを２等
分する位置に設けられている。これによって、後述する
ように、支軸６を軸として前輪１４の前方が後輪１１の
前方と揃うように折り畳むだけで、前輪１４と後輪１１
の位置が一致する。なお、支軸６の位置を図１に示す通
常状態における前輪１４の車輪軸１４ａと後輪１１の車
輪軸１１ａとの間隔を２等分する位置とすることも考え
られるが、この場合、支軸６の位置が本実施例に比べて
前方に突出することになるので、折り畳んだときにその
突出した分だけ前後の長さが長くなり、コンパクトさが
損なわれてしまう。このように、本発明では、支軸６の
位置を、前輪１４を１８０度回転させたときの車輪軸１
４ａと後輪１１の車輪軸１１ａとの間隔Ｄを２等分する
位置とすることによって、折り畳んだときに、その大き
さをコンパクトにすることができる。FIG. 2 is a side view of the state in which the front wheels have been rotated 180 degrees from the state shown in FIG. 1, and the spindle (fulcrum) of the present invention.
It is a figure for demonstrating the arrangement position of. As shown in the figure, the support shaft 6 is provided at a position that divides the distance D between the wheel shaft 14a and the wheel shaft 11a of the rear wheel 11 when the front wheel 14 is rotated 180 degrees into two equal parts. As a result, as will be described later, the front wheel 14 and the rear wheel 11 are simply folded so that the front of the front wheel 14 is aligned with the front of the rear wheel 11 about the support shaft 6.
The positions of are the same. It should be noted that the position of the support shaft 6 may be such that the distance between the wheel shaft 14a of the front wheel 14 and the wheel shaft 11a of the rear wheel 11 in the normal state shown in FIG. 1 is bisected. Since the position of the shaft 6 protrudes forward as compared with the present embodiment, the length of the front and rear becomes longer by the amount of the protrusion when folded, and the compactness is impaired. As described above, in the present invention, the position of the support shaft 6 is set to the wheel shaft 1 when the front wheel 14 is rotated 180 degrees.
By arranging the distance D between the 4a and the wheel shaft 11a of the rear wheel 11 into two equal parts, the size can be made compact when folded.
【００１２】図３は、支軸部分の拡大図であって、
（ａ）は側面図、（ｂ）は平面図である。同図（ａ）に
示すように、第１支持パイプ４の前端の上下２箇所には
リング状の支軸挿通部４ａ、４ｂが設けられ、第２支持
パイプ５の後端の上下２箇所にはリング状の支軸挿通部
５ａ、５ｂが設けられている。各支軸挿通部４ａ、４
ｂ、５ａ、５ｂは、図３（ｂ）に示すように、それぞれ
第１支持パイプ４または第２支持パイプ５の幅方向の１
／２〜１／３の位置まで入り込むようにして設けられて
いる。これによって、通常使用時に突出部分が少なくな
り、また支軸部分の強度も向上する。この支軸部分は、
第１支持パイプ４の支軸挿通部４ａ、４ｂを第２支持パ
イプ５の支軸挿通部５ａ、５ｂの下方に整合するように
位置させ、支軸６を各支軸挿通部４ａ、４ｂ、５ａ、５
ｂに挿通させることによって構成されている。また、支
軸６は第２支持パイプ５の支軸挿通部５ａ、５ｂに、そ
れぞれボルト１５、１６によって固定されている。一
方、支軸６は第１支持パイプ５の支軸挿通部４ａ、４ｂ
に対しては回転可能に遊嵌されている。これによって、
第２支持パイプ５に連結されている前輪１４側が図３
（ａ）の直線状態から支軸６を軸として同図において紙
面に対して手前方向に折り曲げ可能となっている。ま
た、図３（ａ）の直線状態では、支軸挿通部４ｂの外周
面に設けたストッパ４ｃと支軸挿通部５ｂの外周面に設
けたストッパ５ｃとが突き当たることによって、直線状
態に維持される。さらに、この状態においてストッパピ
ン１７を支軸挿通部４ａ及び支軸６に貫通させることに
より、直線状態のままに固定することができる。このと
き、上記のようにストッパ４ｃ及びストッパ５ｃを設け
たことにより、直線状態に維持されるのでストッパピン
１７の挿入は容易に行うことができる。FIG. 3 is an enlarged view of the support shaft portion,
(A) is a side view and (b) is a plan view. As shown in FIG. 3A, ring-shaped support shaft insertion portions 4 a and 4 b are provided at two positions above and below the front end of the first support pipe 4, and two positions above and below the rear end of the second support pipe 5. Is provided with ring-shaped support shaft insertion portions 5a and 5b. Each spindle insertion portion 4a, 4
As shown in FIG. 3B, b, 5a, and 5b are 1 in the width direction of the first support pipe 4 or the second support pipe 5, respectively.
It is provided so as to enter the position of / 2-1 / 3. As a result, the number of protruding portions is reduced during normal use, and the strength of the support shaft portion is also improved. This spindle part
The support shaft insertion portions 4a and 4b of the first support pipe 4 are positioned so as to be aligned below the support shaft insertion portions 5a and 5b of the second support pipe 5, and the support shaft 6 is provided to the support shaft insertion portions 4a and 4b. 5a, 5
It is configured by inserting it into b. The support shaft 6 is fixed to the support shaft insertion portions 5a and 5b of the second support pipe 5 by bolts 15 and 16, respectively. On the other hand, the support shaft 6 is the support shaft insertion portions 4a, 4b of the first support pipe 5.
Is rotatably loosely fitted to. by this,
The front wheel 14 side connected to the second support pipe 5 is shown in FIG.
From the straight state of (a), it is possible to bend the support shaft 6 as an axis in the front direction with respect to the paper surface in the figure. Further, in the linear state of FIG. 3A, the stopper 4c provided on the outer peripheral surface of the support shaft insertion portion 4b and the stopper 5c provided on the outer peripheral surface of the support shaft insertion portion 5b abut against each other to maintain the linear state. It Further, in this state, the stopper pin 17 can be fixed in a straight line state by penetrating the support shaft insertion portion 4a and the support shaft 6. At this time, since the stopper 4c and the stopper 5c are provided as described above, the stopper pin 17 can be inserted easily because the stopper pin 17 is maintained in a straight line state.
【００１３】以上の構成の折り畳み式自転車において折
り畳む手順を以下に示す。The procedure for folding the folding bicycle having the above construction will be described below.
【００１４】（１）サドル７を図１の矢印方向に倒伏さ
せる。(1) The saddle 7 is laid down in the direction of the arrow in FIG.
【００１５】（２）ストッパピン１７を支軸６及び支軸
挿通部４ａから引き抜き折り畳み可能な状態とする。な
お、この手順（２）と上記手順（１）は逆に行って良
い。(2) The stopper pin 17 is pulled out from the support shaft 6 and the support shaft insertion portion 4a so that it can be folded. The procedure (2) and the procedure (1) may be reversed.
【００１６】（３）図１において第２支持パイプ５を紙
面に対して手前方向に回転させて折り畳む。このとき、
前輪１４の前方が後輪１１の前方と揃うように折り畳
む。これによって図４（ａ）に示すように、前輪１４が
後輪１１の隣りとなり、しかもその前後の位置が一致す
るようになる。本実施例では、折り畳みの支点を１本の
支軸６としているので、折り畳みの際にぐらつくことが
無く、安定して折り畳みを行うことができる。(3) In FIG. 1, the second support pipe 5 is rotated in the front direction with respect to the paper surface and folded. At this time,
Fold the front wheel 14 so that the front side is aligned with the front side of the rear wheel 11. As a result, as shown in FIG. 4 (a), the front wheel 14 is adjacent to the rear wheel 11, and the front and rear positions thereof coincide with each other. In this embodiment, since the fulcrum of folding is the single support shaft 6, there is no wobbling during folding and stable folding can be performed.
【００１７】（４）次に、折り畳んだ状態の固定は、支
軸６及び支軸挿通部４ａにストッパピン１７を再度挿入
することによって行う。このとき、図３（ａ）示したス
トッパ５ｃとストッパ４ｄとが突き当たることによっ
て、折り畳みの状態の位置が固定されるので、ストッパ
ピン１７の挿入は容易に行うことができる。また、折り
畳んだ状態の前輪の固定は、図４中の符号１８の部分に
ストッパピン（図示せず）を挿入することによって行
う。このストッパピンは、前輪１４の側部と第２支持パ
イプ５の側部にそれぞれ設けた固定部（図４中の符号１
８の部分）を貫通することによって前輪１４を回動不能
に固定する。(4) Next, the folded state is fixed by inserting the stopper pin 17 into the support shaft 6 and the support shaft insertion portion 4a again. At this time, since the position in the folded state is fixed by the stopper 5c and the stopper 4d shown in FIG. 3A butting against each other, the stopper pin 17 can be easily inserted. Further, the front wheel in the folded state is fixed by inserting a stopper pin (not shown) at a portion 18 in FIG. The stopper pins are fixed portions (reference numeral 1 in FIG. 4) provided on the side portion of the front wheel 14 and the side portion of the second support pipe 5, respectively.
The front wheel 14 is fixed in a non-rotatable manner by penetrating through (No. 8).
【００１８】（５）次に、図４（ａ）の状態では、ハン
ドル１３が側方に突出して収納や運搬に支障があるの
で、ハンドル１３を倒伏させ、図４（ｂ）状態とする。
図５は、この状態における側面図である。同図に示すよ
うに、前方はダブルキャスター９の２点、後方は前輪１
４及び後輪１１の２点の計４点で支えられるので、自転
車は安定して自立する。また、自転車の取手８等を持っ
て押すことにより軽い力で移動させることができる。(5) Next, in the state of FIG. 4 (a), the handle 13 projects laterally and interferes with storage and transportation, so the handle 13 is laid down to the state of FIG. 4 (b).
FIG. 5 is a side view in this state. As shown in the figure, two points of the double caster 9 are on the front side, and the front wheel 1 is on the rear side.
Since the bicycle is supported by a total of four points, the four and the rear wheel 11, the bicycle is stable and self-supporting. In addition, it can be moved with a light force by pushing the handle 8 of the bicycle while holding it.
【００１９】以上のように、簡単な工程で自転車を折り
畳むことができる。しかも、折り畳んだ状態では前輪と
後輪の位置が一致し非常にコンパクトである。折り畳ん
だ状態からの組み立ては、前記の工程を逆に行えば、同
様に簡単に組み立てることができる。また、支軸６を取
り外すと自転車の前輪側と後輪側を分離することができ
るので、自転車の前輪側または後輪側の一方が破損した
場合は、その破損した方だけを取り替えればよく、修理
コストの低減及び資源の節約が可能である。As described above, the bicycle can be folded in a simple process. Moreover, in the folded state, the positions of the front and rear wheels are the same, which is very compact. The assembly from the folded state can be similarly easily performed by reversing the above steps. Further, since the front wheel side and the rear wheel side of the bicycle can be separated by removing the support shaft 6, when one of the front wheel side and the rear wheel side of the bicycle is damaged, only the damaged one needs to be replaced. It is possible to reduce repair cost and save resources.
【００２０】[0020]
【発明の効果】以上のとおり、本発明によれば、簡単な
工程で自転車の折り畳みと組み立てを行うことができ
る。しかも、折り畳んだ状態では前輪と後輪の位置が一
致し、車椅子の大きさ程度のコンパクトな大きさとな
る。したがって、自転車の持ち運びが非常に便利とな
り、例えば、自動車や電車にも簡単に載せることができ
る。また、部屋の中にも持ち込むことができるので、盗
難防止にもなる。As described above, according to the present invention, it is possible to fold and assemble a bicycle by simple steps. Moreover, in the folded state, the positions of the front wheels and the rear wheels match, and the size is as compact as the size of a wheelchair. Therefore, it is very convenient to carry the bicycle, and it can be easily mounted on a car or a train, for example. You can also bring it into the room, so it will prevent theft.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の実施例の通常使用時の構成を示す側面
図である。FIG. 1 is a side view showing a configuration of an embodiment of the present invention during normal use.
【図２】図１の状態から前輪を１８０度回転させた状態
の側面図であって、本発明の支軸（支点）の配置位置を
説明するための図である。FIG. 2 is a side view of the state in which the front wheels are rotated 180 degrees from the state of FIG. 1, and is a diagram for explaining the arrangement position of the support shaft (fulcrum) of the present invention.
【図３】支軸部分の拡大図であって、（ａ）は側面図、
（ｂ）は平面図である。FIG. 3 is an enlarged view of a spindle portion, (a) is a side view,
(B) is a plan view.
【図４】折り畳んだ状態の平面図であって、（ａ）はハ
ンドルを倒伏させる前の状態、（ｂ）はハンドルを倒伏
させた後の状態を示す。FIG. 4 is a plan view of a folded state, in which (a) shows a state before the handle is laid down and (b) shows a state after the handle is laid down.
【図５】折り畳んだ状態の側面図である。FIG. 5 is a side view of the folded state.
１ 立パイプ、２ 前パイプ、３ 支持パイプ、４ 第
１支持パイプ ５ 第２支持パイプ ６ 支軸、７ サ
ドル、８ 取手、９ キャスター（ダブルキャスター）
１０ ペダル、１１ 後輪、１２ 荷台、１３ ハン
ドル、１４ 前輪、１５，１６ ボルト、１７ ストッ
パピン1 vertical pipe, 2 front pipe, 3 support pipe, 4 1st support pipe 5 2nd support pipe 6 support shaft, 7 saddle, 8 handle, 9 casters (double caster)
10 pedals, 11 rear wheels, 12 loading platform, 13 handles, 14 front wheels, 15, 16 bolts, 17 stopper pins
Claims (3)
を支持パイプで連結するとともに、前記支持パイプに設
けた支点を軸として支持パイプを直線状態から折曲可能
とし、前記立パイプの下端にキャスターを取り付けたキ
ャスター付き折り畳み式自転車において、前記支点を、
前輪を１８０度回転させたときの前輪の車輪軸と後輪の
車輪軸との間隔を２等分する位置に設けたことを特徴と
するキャスター付き折り畳み式自転車。1. The standing pipe on the rear wheel side and the front pipe on the front wheel side are connected by a supporting pipe, and the supporting pipe can be bent from a straight line with a fulcrum provided on the supporting pipe as an axis. In a foldable bicycle with casters, which has casters attached to the lower end of the
A foldable bicycle with casters, characterized in that the front wheel axle and the rear wheel axle when the front wheel is rotated 180 degrees are provided at positions that bisect the distance between them.
重なり合うように設けた請求項１に記載のキャスター付
き折り畳み式自転車。2. The foldable bicycle with casters according to claim 1, wherein the fulcrum is provided so as to overlap with the support pipe in a plan view.
イプを、後方を立パイプに固定した第１支持パイプと前
方を前パイプに固定した第２支持パイプとから構成する
とともに、前記第１支持パイプと第２支持パイプとを前
記支軸によって折曲可能に連結し、前記支軸を着脱可能
とした請求項１または２に記載のキャスター付き折り畳
み式自転車。3. The fulcrum is one supporting shaft, and the support pipe is composed of a first support pipe having a rear portion fixed to a standing pipe and a second support pipe having a front portion fixed to a front pipe. The foldable bicycle with casters according to claim 1 or 2, wherein the first support pipe and the second support pipe are foldably connected by the support shaft, and the support shaft is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001345063A JP2003146281A (en) | 2001-11-09 | 2001-11-09 | Folding bicycle with caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001345063A JP2003146281A (en) | 2001-11-09 | 2001-11-09 | Folding bicycle with caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003146281A true JP2003146281A (en) | 2003-05-21 |
Family
ID=19158474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001345063A Pending JP2003146281A (en) | 2001-11-09 | 2001-11-09 | Folding bicycle with caster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003146281A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2936773A1 (en) * | 2008-10-06 | 2010-04-09 | Ciel & Vents | Foldable cycle, has roller placed at side of plate, distance from ground when frame is in unfolded state and preventing contact between plate and ground when frame is in folded state, where another roller is adjacent to former roller |
| JP2015091685A (en) * | 2013-09-30 | 2015-05-14 | 京叡 谷 | Folding bicycle |
| WO2017018394A1 (en) * | 2015-07-28 | 2017-02-02 | 久美子 鹿田 | Folding bicycle and cover |
| CN106394774A (en) * | 2016-10-21 | 2017-02-15 | 崔璨 | Electric bicycle capable of being changed into wheelchair vehicle |
| WO2017052062A1 (en) * | 2015-09-22 | 2017-03-30 | 백상기 | Bicycle |
| KR101733909B1 (en) | 2016-01-18 | 2017-05-08 | 백상기 | A bicycle which has rotational pedal frame |
| KR20180120974A (en) * | 2017-04-28 | 2018-11-07 | 주식회사 쿨런바이크 | Folding board-bike |
| EP3521150A1 (en) * | 2018-02-05 | 2019-08-07 | Tobias Kruschhausen | Frame device for a leaning vehicle and a leaning vehicle |
| CN114313083A (en) * | 2022-01-27 | 2022-04-12 | 常州市华耀智能科技有限公司 | Foldable electric bicycle with hidden guide wheel in middle |
-
2001
- 2001-11-09 JP JP2001345063A patent/JP2003146281A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2936773A1 (en) * | 2008-10-06 | 2010-04-09 | Ciel & Vents | Foldable cycle, has roller placed at side of plate, distance from ground when frame is in unfolded state and preventing contact between plate and ground when frame is in folded state, where another roller is adjacent to former roller |
| JP2015091685A (en) * | 2013-09-30 | 2015-05-14 | 京叡 谷 | Folding bicycle |
| WO2017018394A1 (en) * | 2015-07-28 | 2017-02-02 | 久美子 鹿田 | Folding bicycle and cover |
| JPWO2017018394A1 (en) * | 2015-07-28 | 2018-06-21 | 鹿田久美子 | Folding bicycle and cover |
| WO2017052062A1 (en) * | 2015-09-22 | 2017-03-30 | 백상기 | Bicycle |
| KR101733909B1 (en) | 2016-01-18 | 2017-05-08 | 백상기 | A bicycle which has rotational pedal frame |
| CN106394774A (en) * | 2016-10-21 | 2017-02-15 | 崔璨 | Electric bicycle capable of being changed into wheelchair vehicle |
| CN106394774B (en) * | 2016-10-21 | 2019-01-15 | 崔璨 | A kind of electric vehicle of variable wheel-chair |
| KR20180120974A (en) * | 2017-04-28 | 2018-11-07 | 주식회사 쿨런바이크 | Folding board-bike |
| KR101949307B1 (en) | 2017-04-28 | 2019-02-18 | 주식회사 쿨런바이크 | Folding board-bike |
| EP3521150A1 (en) * | 2018-02-05 | 2019-08-07 | Tobias Kruschhausen | Frame device for a leaning vehicle and a leaning vehicle |
| CN114313083A (en) * | 2022-01-27 | 2022-04-12 | 常州市华耀智能科技有限公司 | Foldable electric bicycle with hidden guide wheel in middle |
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