JPS5824538U

JPS5824538U - drum brake

Info

Publication number: JPS5824538U
Application number: JP11970781U
Authority: JP
Inventors: 山田　「やす」弘
Original assignee: トヨタ自動車株式会社
Priority date: 1981-08-12
Filing date: 1981-08-12
Publication date: 1983-02-16

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図は本考案の一例に係るドラムブレーキを構成する
バッキングプレートとブレーキドラムを示す縦断側面図
、第２図は本考案の要部を示すブレーキドラムの拡大部
分正面図、第３図は同拡大部分平面図である。符号の説明、１１・・・バッキングプレート、１１ａ、
１１ｂ・・・フランジ！、１２−・・ブレーキドラム、
１２ｂ、　　１−２Ｃ・・・端縁、１３・・・案内溝、
１３ｂ・・・側壁先端。Fig. 1 is a longitudinal side view showing a backing plate and a brake drum that constitute a drum brake according to an example of the present invention, Fig. 2 is an enlarged partial front view of the brake drum showing the main parts of the invention, and Fig. 3 is the same. FIG. 3 is an enlarged partial plan view. Explanation of symbols, 11... Backing plate, 11a,
11b...Flange! , 12-...brake drum,
12b, 1-2C...edge, 13...guide groove,
13b... Tip of side wall.

Claims

[Scope of utility model registration request]

A backing plate is fixed to a predetermined part of an unsprung member of the vehicle body by passing through an axle shaft, and a brake drum is fixed to an end of the axle shaft so as to face the backing plate and an annular portion of the brake drum. In a drum brake in which an opening edge is fitted into an annular flange portion formed protruding from the outer peripheral edge of the backing plate while maintaining a predetermined circumferential gap, the brake is attached to the outer peripheral surface of the brake drum from the backing plate side. One or more guide grooves extending at a predetermined angle in a direction opposite to the forward rotational direction of the drum are provided, and the tip of one side wall of the guide groove located on the opposite side to the forward rotational direction of the brake drum is A drum brake characterized in that the brake drum slightly protrudes in the forward rotational direction of the brake drum and toward the flange portion of the backing plate.