JPS579336A - Regulator for braking gap of drum brake - Google Patents
Regulator for braking gap of drum brakeInfo
- Publication number
- JPS579336A JPS579336A JP8199180A JP8199180A JPS579336A JP S579336 A JPS579336 A JP S579336A JP 8199180 A JP8199180 A JP 8199180A JP 8199180 A JP8199180 A JP 8199180A JP S579336 A JPS579336 A JP S579336A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- overregulation
- brake
- braking
- shoe
- 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
PURPOSE: To prevent the dragging of a brake shoe due to overregulation at a time when a brake drum is of high temperatures by forming an overregulation-preventing spring of a configuration memory material in order to lower the spring load during high-temeprature period.
CONSTITUTION: When supplying a pressure liquid to the central chamber of a cylinder 16 at the time of braking, a pair of brake shoes 1 are pressed on the inner surface of a brake drum to generate a braking force. If the gap between the drum and shoe 1 is greater than a set value at this time, an overregulation-preventing spring 21 is pulled together with a wire 18 as the expanding movement of the right- handed shoe 1 proceeds and then a regulating lever 10 is turned clockwise around a pin 9 as the center. Thus, a ratchet wheel 12 is turned, a relatively turning extending member 11 is extended, and the braking gap is reduced. The said spring 21 is molded of the configuration memory material in such a way as to reduce the spring load at high temperatures at which the brake drum is thermally expanded.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8199180A JPS579336A (en) | 1980-06-17 | 1980-06-17 | Regulator for braking gap of drum brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8199180A JPS579336A (en) | 1980-06-17 | 1980-06-17 | Regulator for braking gap of drum brake |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS579336A true JPS579336A (en) | 1982-01-18 |
JPH0117015B2 JPH0117015B2 (en) | 1989-03-28 |
Family
ID=13761934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8199180A Granted JPS579336A (en) | 1980-06-17 | 1980-06-17 | Regulator for braking gap of drum brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS579336A (en) |
-
1980
- 1980-06-17 JP JP8199180A patent/JPS579336A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0117015B2 (en) | 1989-03-28 |
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