JPS6144383U

JPS6144383U - bicycle crank

Info

Publication number: JPS6144383U
Application number: JP13064084U
Authority: JP
Inventors: 正士長野
Original assignee: 株式会社シマノ
Priority date: 1984-08-29
Filing date: 1984-08-29
Publication date: 1986-03-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案クランクの一実施例を示す断面図、第２
図は要部のみの拡大断面図、第３図はペダル軸を取付け
た状態の断面図、第４図及び第５図は別の実施例を示す
要部のみの拡大断面図である。１・・・・・・クランク本体、１１・・・・・・嵌合孔
、１４・・・・・・ねじ孔、２・・・・・・ペダル軸、
３・・・・・・外被体、３１・・・・・・挿通孔、４・
・・・・・受体、４１・・・・・・当接面。Fig. 1 is a sectional view showing one embodiment of the crank of the present invention;
The figure is an enlarged sectional view of only the main parts, FIG. 3 is a sectional view of the pedal shaft with the pedal shaft attached, and FIGS. 4 and 5 are enlarged sectional views of only the main parts showing another embodiment. 1... Crank body, 11... Fitting hole, 14... Screw hole, 2... Pedal shaft,
3...Outer cover, 31...Insertion hole, 4.
...Receptor, 41...Abutment surface.

Claims

[Scope of utility model registration request]

- Consists of a metal crank body that has a crankshaft fitting hole at one end and a pedal shaft screw hole at the other end, and a synthetic resin outer cover that covers the outer surface of the crank body. ,
An insertion hole having a diameter larger than the diameter of the screw hole is provided in a portion of the outer cover facing the screw hole, and the insertion hole is provided with a hard receiver having a contact surface that comes into contact with the end surface of the pedal shaft. A bicycle crank, characterized in that the body is provided such that its contact surface is exposed to the outer surface of the outer cover.