JPS59125629U

JPS59125629U - drum brake

Info

Publication number: JPS59125629U
Application number: JP1993683U
Authority: JP
Inventors: 藤本　静夫; 堀部　治
Original assignee: 日産自動車株式会社
Priority date: 1983-02-14
Filing date: 1983-02-14
Publication date: 1984-08-24

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図は本考案ドラムブレーキの第１実施例を示す断面
図、第２図は該第１実施例の要部側面図、第３図は本考
案ドラムブレーキの第２実施例を示す要部断面図、第４
図は本考案ドラムブレーキの゛第３実施例を示す要部断
面図、第５図は本考案ドラムブレーキの第４実施例を示
す要部断面図、第６図は該第４実施例の要部側面図であ
る。１・・・バックプレート、２・・・ブレーキシュー、２
ａ・・・ライニング、３・・・ブレーキドラム、４ａ。４ｂ、　　４ｃ・・・通風孔、３ａ・・・ドラムフィン
、３ｂ・・・エアーガイド、Ａ・・・ドラム軸。FIG. 1 is a sectional view showing a first embodiment of the drum brake of the present invention, FIG. 2 is a side view of the main part of the first embodiment, and FIG. 3 is a main part of the second embodiment of the drum brake of the present invention. Cross section, 4th
The figure is a sectional view of a main part showing a third embodiment of the drum brake of the present invention, FIG. 5 is a sectional view of a main part of a fourth embodiment of a drum brake of the present invention, and FIG. 6 is a main part of the fourth embodiment. FIG. 1... Back plate, 2... Brake shoe, 2
a... Lining, 3... Brake drum, 4a. 4b, 4c...ventilation hole, 3a...drum fin, 3b...air guide, A...drum shaft.

Claims

[Scope of utility model registration request]

A back plate that is fixed to the vehicle body side and supports a brake mechanism such as brake shoes; and a brake drum that is rotatable with the wheels and is arranged in close proximity to the outer peripheral surface of the lining of the brake shoes. In the drum brake, by forming a drum fin and an air guide integrally with the brake drum,
A drum brake characterized by having a number of ventilation holes opened in the outer circumference of the brake drum in the direction of the drum axis.