JPS5779343A - Automatic brake gap regulator for drum brake - Google Patents
Automatic brake gap regulator for drum brakeInfo
- Publication number
- JPS5779343A JPS5779343A JP15538280A JP15538280A JPS5779343A JP S5779343 A JPS5779343 A JP S5779343A JP 15538280 A JP15538280 A JP 15538280A JP 15538280 A JP15538280 A JP 15538280A JP S5779343 A JPS5779343 A JP S5779343A
- Authority
- JP
- Japan
- Prior art keywords
- brake
- temperature
- lever
- nail wheel
- regulation
- 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 over-regulation under high temperature by operating an actuator when the temperature of a brake shoe detected by a temperature sensitive resistor element will exceed over predetermined level thereby disengaging a regulation lever from a nail wheel of a relative rotation expansive member.
CONSTITUTION: When supplying the liquid pressure to a hydraulic cylinder 1 at the braking, a pair of pistons 2 are pushed outwardly to enlarge a pair of brake shoes 5 to be pushed against the inner circumferential face of a brake drum thus to produce the braking force. At this time a regulation lever 3 is pulled by a spring 12 to be rotated clockwise around a shaft 15, but when the brake gap is larger than predetermined lever a screw shaft 19 is rotated together with a nail wheel 18 thereby the brake gap is regulated by the expansion of a start 4. When a temperature-sensitive resisror element 21 will detect the temperature rise of the shoe 5 higher than predetermined level, an electromagnetic actuator 22 is excited to move said lever 3 to the direction departing from the nail wheel 18 thereby the brake gap regulating operation is interruped.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15538280A JPS5779343A (en) | 1980-11-05 | 1980-11-05 | Automatic brake gap regulator for drum brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15538280A JPS5779343A (en) | 1980-11-05 | 1980-11-05 | Automatic brake gap regulator for drum brake |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5779343A true JPS5779343A (en) | 1982-05-18 |
JPH0118303B2 JPH0118303B2 (en) | 1989-04-05 |
Family
ID=15604718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15538280A Granted JPS5779343A (en) | 1980-11-05 | 1980-11-05 | Automatic brake gap regulator for drum brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5779343A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62112329U (en) * | 1986-01-06 | 1987-07-17 |
-
1980
- 1980-11-05 JP JP15538280A patent/JPS5779343A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62112329U (en) * | 1986-01-06 | 1987-07-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0118303B2 (en) | 1989-04-05 |
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