JPS5811145U - Cam collar of automatic braking gap adjustment device for mechanical drum brakes - Google Patents
Cam collar of automatic braking gap adjustment device for mechanical drum brakesInfo
- Publication number
- JPS5811145U JPS5811145U JP10529481U JP10529481U JPS5811145U JP S5811145 U JPS5811145 U JP S5811145U JP 10529481 U JP10529481 U JP 10529481U JP 10529481 U JP10529481 U JP 10529481U JP S5811145 U JPS5811145 U JP S5811145U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- adjustment device
- braking gap
- gap adjustment
- automatic braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Braking Arrangements (AREA)
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
図面は本考案の一実施例を示すもので、第１図は正面図
、第２図は背面図、第３図は第２図の■−■断面図、第
４図は平面図、第５図はカム部材、カムカラー、作動部
材、ワッシャー、アジャストギア、アジャストレバーお
よび送り爪の分解斜視図である。
２．２′はブレーキシュー、２ｂ、 ２ｂ’はシュー
ウェブ遊端部、５はカム部材、５ａはカム部、５ｅ、
５’ｅ’は対向面、９，９′はカムカラー溝、１１は
作動部材、１１ｃは頭部、１２はカムカラー、１２ａ、
１２ａ’はシューウェブ当接面、１２ｂ、１２ｂ’
は作動部材当接面である。The drawings show one embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a rear view, FIG. 3 is a sectional view taken along the line ■-■ of FIG. 2, FIG. The figure is an exploded perspective view of a cam member, a cam collar, an operating member, a washer, an adjustment gear, an adjustment lever, and a feed pawl. 2.2' is a brake shoe, 2b, 2b' is a shoe web free end, 5 is a cam member, 5a is a cam part, 5e,
5'e' is an opposing surface, 9, 9' are cam collar grooves, 11 is an operating member, 11c is a head, 12 is a cam collar, 12a,
12a' is a shoe web contact surface, 12b, 12b'
is the actuating member contact surface.
Claims (1)
るカム部材のカム部にシューウェブ遊端部が当接するカ
ムカラーをカム軸方向に摺動自在に嵌合し、カム部材に
螺合した作動部材の螺動により前記カムカラーをカム軸
方向に移動するとともに、シュー拡開方向に移動してブ
レーキシューを拡開し、制動間隙を調整する機械式ドラ
ムブレーキの制動間隙自動調整装置において、前記カム
カラーを左右対称位置で直角に交わるシューウェブ当接
面と作動部材当接面とを有し、かっこのシューウェブ当
接面同士が交叉する角を鋭角に、作動部材当接面同士が
交叉する角を鈍角に形成した左右対称の多角形板体とな
したことを特徴とする機械式ドラムブレーキにおける制
動間隙自動調整装置のカムカラー。A cam collar whose shoe web free end comes into contact with a cam part of a cam member that expands the brake shoes by rotation of the brake arm is slidably fitted in the cam shaft direction, and the thread of the actuating member is screwed to the cam member. In an automatic braking gap adjustment device for mechanical drum brakes, the cam collar is moved in the cam shaft direction and moved in the shoe expansion direction to expand the brake shoes and adjust the braking gap. The shoe web contact surface and the actuating member contact surface intersect at right angles at the position, and the angle where the shoe web contact surfaces of the bracket intersect is an acute angle, and the angle where the actuating member contact surfaces intersect is an obtuse angle. A cam collar for an automatic braking gap adjustment device in a mechanical drum brake, characterized by having a symmetrical polygonal plate body.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10529481U JPS5919147Y2 (en) | 1981-07-15 | 1981-07-15 | Cam collar of automatic braking gap adjustment device for mechanical drum brakes |
| GB8208886A GB2098681B (en) | 1981-03-31 | 1982-03-26 | Automatic braking-gap adjuster system for mechanical drum brakes |
| US06/362,492 US4494633A (en) | 1981-03-31 | 1982-03-26 | Automatic braking-gap adjuster system for mechanical drum brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10529481U JPS5919147Y2 (en) | 1981-07-15 | 1981-07-15 | Cam collar of automatic braking gap adjustment device for mechanical drum brakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5811145U true JPS5811145U (en) | 1983-01-24 |
| JPS5919147Y2 JPS5919147Y2 (en) | 1984-06-02 |
Family
ID=29899834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10529481U Expired JPS5919147Y2 (en) | 1981-03-31 | 1981-07-15 | Cam collar of automatic braking gap adjustment device for mechanical drum brakes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919147Y2 (en) |
-
1981
- 1981-07-15 JP JP10529481U patent/JPS5919147Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5919147Y2 (en) | 1984-06-02 |
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