JPH0471393U

JPH0471393U -

Info

Publication number: JPH0471393U
Application number: JP11579790U
Authority: JP
Priority date: 1990-11-02
Filing date: 1990-11-02
Publication date: 1992-06-24

Description

[Brief explanation of drawings]

第１から第５図は本考案にかかるカバーの実施
例を示すもので第１図はカバーの斜視図、第２図
はカバーを自転車に装着した状態を示す斜視図、
第３図は第２図の−断面図、第４図は第３図
の−断面図、第５図は他の実施例を示すカバ
ーの斜視図、第６図は従来技術を示すカバーの斜
視図である。１……ギヤカバー、２……穴、３……クランク
アーム、４……溝、５……ペダル本体、１０……
穴、１２……クランクアーム、１４……溝、１６
……ギヤカバー本体、１８……カバー体、２０…
…前ギヤ、２２……クランク軸、２６……段差部
、２８，３０……切り欠き、２９……周壁、３１
……突起、３２……フツク。 Figures 1 to 5 show embodiments of the cover according to the present invention, with Figure 1 being a perspective view of the cover, Figure 2 being a perspective view showing the cover mounted on a bicycle;
3 is a cross-sectional view of FIG. 2, FIG. 4 is a cross-sectional view of FIG. 3, FIG. 5 is a perspective view of a cover showing another embodiment, and FIG. 6 is a perspective view of a cover showing a conventional technique. It is a diagram. 1... Gear cover, 2... Hole, 3... Crank arm, 4... Groove, 5... Pedal body, 10...
Hole, 12... Crank arm, 14... Groove, 16
...Gear cover body, 18...Cover body, 20...
...Front gear, 22...Crankshaft, 26...Step, 28, 30...Notch, 29...Peripheral wall, 31
... protrusion, 32... hook.

Claims

[Scope of Claim for Utility Model Registration] (1) A substantially circular hole provided in the center through which a crankshaft can pass, and a groove extending outwardly from the hole into which a crank arm is loosely fitted. A gear cover for a bicycle, comprising: a gear cover body having a gear cover body; and a cover body having substantially the same shape as the hole, which is inserted into a hole in the gear cover body. (2) The gear cover main body has a stepped portion provided on the peripheral wall of the hole that protrudes toward the center, and a notch portion formed by cutting a part of the stepped portion in the axial direction; 2. The gear cover for a bicycle according to claim 1, comprising a peripheral wall that comes into contact with the stepped portion, and a hook that is connected to a part of the peripheral wall, and a part of the hook has a protrusion that projects outward. (3) Claim 1 characterized in that the groove of the gear cover main body has a stepped portion that is continuous with the stepped portion of the hole.
Gear cover for the bicycle mentioned.