JPS5830043U

JPS5830043U - bicycle brake

Info

Publication number: JPS5830043U
Application number: JP12567181U
Authority: JP
Inventors: 正士長野
Original assignee: 株式会社シマノ
Priority date: 1981-08-24
Filing date: 1981-08-24
Publication date: 1983-02-26

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図は本考案ブレーキの一実施例を示す正面図、第２
図及び第３図は一部を省略した縦断正面図、第４図は第
１図ＩＶ−ＩＶ線断面図、第５図は第１図Ｖ−Ｖ線断面
図、第６図は内側部材のみの斜視図である。１・・・・・・ドラム、１ａ・・・・・・内周面、１１
・・・・・・ボス部、２・・・・・・シュー、３・・・
・・・シューホルダー、３１・・・・・・カム面、４・
・・・・・内側部材、５・・・・・・固定部材、６・・
・・・・スプリング、７・・・・・・スプリング、８・
・・・・・転動体、９・・・・・・ブレニキ材、１０・
・・・・・操作アーム。第３図゛３２ −　　　　　ｒｌ４Ｕ　　　　γ 一一一にFig. 1 is a front view showing an embodiment of the brake of the present invention;
Figures 3 and 3 are longitudinal sectional front views with some parts omitted, Figure 4 is a sectional view taken along the line IV-IV in Figure 1, Figure 5 is a sectional view taken along the line V-V in Figure 1, and Figure 6 is only the inner member. FIG. 1...Drum, 1a...Inner peripheral surface, 11
・・・Boss part, 2... Shoe, 3...
...Shoe holder, 31...Cam surface, 4.
...Inner member, 5...Fixing member, 6...
... Spring, 7 ... Spring, 8.
...Rolling element, 9...Bleniki material, 10.
・・・・Operation arm. Figure 3: 32-rl 4U γ

Claims

[Scope of utility model registration request]

A boss portion having a circular outer circumferential surface is provided in the center of the drum that rotates together with the hub, and an arc-shaped boss portion opposite to the inner circumferential surface is provided between the inner circumferential surface of the drum and the outer circumferential surface of the boss portion. A shoe with a braking surface, a shoe holder, and an inner member facing the outer circumferential surface of the boss portion are installed inside, and the shoe holder is attached to a fixing member via a spring in the circumferential direction of the drum, and The inner member is supported by the fixed member so as to be freely movable in the radial direction of the drum via a spring, and a cam surface is provided on the opposing surface of the shoe holder and the inner member, and a rolling element is interposed. On the other hand, the bicycle brake is characterized in that a brake material is provided on a surface of the inner member facing the outer circumferential surface of the boss portion, so that the shoe holder i is interlocked with an operating arm.