JPH0435093U

JPH0435093U -

Info

Publication number: JPH0435093U
Application number: JP7591590U
Authority: JP
Priority date: 1990-07-16
Filing date: 1990-07-16
Publication date: 1992-03-24

Description

[Brief explanation of the drawing]

図面は本考案に係る折畳み式自転車の一実施例
を示しており、第１図は使用状態の全体側面図、
第２図は折畳み状態の全体側面図、第３図は車体
フレームの外観斜視図、第４図はフレームロツク
構造のロツク状態における縦断側面図、第５図は
フレームロツク構造のロツク解除状態の縦断側面
図、第６図はロツク操作部の斜視図、第７図はペ
ダル折畳み構造の一部切欠き平面図、第８図はハ
ンドル折畳み構造の使用状態における正面図、第
９図は折畳み状態での正面図である。１……車体フレーム、２……縦フレーム、２ａ
……把手、３……前部四連リンクフレーム、３ｃ
……前部四連リンクフレームの前部縦辺部、４…
…後部四連リンクフレーム、４ｂ……後部四連リ
ンクフレームの下辺部、４ｃ……後部四連リンク
フレームの後部縦辺部、６……前輪フレーム、７
……前輪、９……ハンドル、１１……後輪、１２
……チエーン装置、１７……ペダル、１９……サ
ドル。 The drawings show an embodiment of the folding bicycle according to the present invention, and Fig. 1 is an overall side view of the folding bicycle in use;
Fig. 2 is an overall side view of the folded state, Fig. 3 is an external perspective view of the vehicle body frame, Fig. 4 is a vertical cross-sectional side view of the frame lock structure in the locked state, and Fig. 5 is a longitudinal cross-section of the frame lock structure in the unlocked state. 6 is a perspective view of the lock operation section, FIG. 7 is a partially cutaway plan view of the pedal folding structure, FIG. 8 is a front view of the handle folding structure in use, and FIG. 9 is in the folded state. FIG. 1... Vehicle body frame, 2... Vertical frame, 2a
...Handle, 3...Front quadruple link frame, 3c
...Front vertical side of the front four-link frame, 4...
...Rear four-link frame, 4b... Lower side of rear four-link frame, 4c... Rear vertical side of rear four-link frame, 6... Front wheel frame, 7
...Front wheel, 9...Handle, 11...Rear wheel, 12
...Chain device, 17...Pedal, 19...Saddle.

Claims

[Claims for Utility Model Registration] A vehicle body frame 1 is composed of a front four-link frame 3 and a rear four-link frame 4, which are capable of bending and stretching forward and backward, using a front and rear intermediate vertical frame 2 as a common vertical link, A handle 2 is attached to the upper end of the vertical frame 2.
The front four-link frame 3 and the rear four-link frame 4 are each equipped with a locking mechanism for fixing the extended posture, A front wheel frame 6 is supported on the front vertical side 3c of the link frame 3 so as to be rotatable left and right, a front wheel 7 is pivotally supported on the lower part of the front wheel frame 6, and can be folded and stored in the upper part of the front wheel frame 6. A rear wheel 11 is pivotally supported on the rear extension of the lower side 4b of the rear quadruple link frame 4, and a chain device 12 for driving the rear wheels is attached to the lower side 4b. This folding bicycle has a chain device 12 equipped with pedals 17 that can be folded inward, and a saddle 19 attached to the upper part of the rear vertical side 4c of the rear four-link frame 4.