JPH0449591U

JPH0449591U -

Info

Publication number: JPH0449591U
Application number: JP9266590U
Authority: JP
Priority date: 1990-09-03
Filing date: 1990-09-03
Publication date: 1992-04-27

Description

[Brief explanation of the drawing]

第１図は本考案に係る折畳み自転車の全体側面
図、第２図は前輪部側と後輪部側のジヨイント部
の側面図、第３図Ａ及びＢは夫々後輪部側接合金
具の正面図及び断面図、第４図Ａ及びＢは前輪部
側接合金具の正面図及び断面図、第５図は前輪部
側と後輪部側のジヨイント部の拡大斜視図、第６
図は大ギヤ側ペダルの取付構造を示す正面図、第
７図は同じく断面図、第８図は補助車輪の取付構
造を示す平面図、第９図は補助車輪の取付構造の
他の例を示す斜視図、第１０図は折畳んだ状態の
側面図、第１１図は折畳んだ状態の正面図、第１
２図は後輪部側を折畳んで立姿姿勢にした状態の
側面図である。１……フレーム、３……サドル支持部、４……
フレーム枢支部、５……大ギヤ、７ａ……フオー
クシヤフト、８，９……接合金具、１２……ヘツ
ドパイプ、２９……ハンドル、４０……補助車輪
、ａ……前輪、ｂ……後輪、Ａ……前輪部側、Ｂ
……後輪部側。 Figure 1 is an overall side view of the folding bicycle according to the present invention, Figure 2 is a side view of the joints on the front wheel side and rear wheel side, and Figures 3A and B are front views of the joint fittings on the rear wheel side, respectively. Figures 4A and 4B are front views and sectional views of the joint fittings on the front wheel side, Figure 5 is an enlarged perspective view of the joints on the front wheel side and rear wheel side, and Figure 6
The figure is a front view showing the mounting structure of the large gear side pedal, FIG. 7 is a cross-sectional view, FIG. 8 is a plan view showing the mounting structure of the auxiliary wheel, and FIG. 9 is another example of the mounting structure of the auxiliary wheel. FIG. 10 is a side view of the folded state, FIG. 11 is a front view of the folded state, and FIG.
FIG. 2 is a side view of the vehicle in a standing position with the rear wheel portion side folded. 1...Frame, 3...Saddle support part, 4...
Frame pivot, 5...Large gear, 7a...Fork shaft, 8, 9...Joint fittings, 12...Head pipe, 29...Handle, 40...Auxiliary wheel, a...Front wheel, b...Rear wheel , A...front wheel side, B
...Rear wheel side.

Claims

[Scope of utility model registration request]

A handle is installed eccentrically in front of the forkshaft which is rotatably inserted into the head pipe so that it can slide up and down and rotate left and right, and the front end of the frame is removably connected to the head pipe. can be folded backwards using the vicinity of the saddle support as a fulcrum, handles are located on the sides of the large gear at the rear of the frame and the lower part of the fork, respectively, and the front and rear wheels are concentrically joined together in a removable manner. 1. A folding bicycle characterized in that an auxiliary wheel is provided near the rear wheel to maintain an upright position with a large gear positioned above the rear wheel and can be freely switched between an active position and a non-active position.