JPS5610835A - Drum brake - Google Patents
Drum brakeInfo
- Publication number
- JPS5610835A JPS5610835A JP8379379A JP8379379A JPS5610835A JP S5610835 A JPS5610835 A JP S5610835A JP 8379379 A JP8379379 A JP 8379379A JP 8379379 A JP8379379 A JP 8379379A JP S5610835 A JPS5610835 A JP S5610835A
- Authority
- JP
- Japan
- Prior art keywords
- shoe
- brake
- return spring
- spring
- drum
- 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.)
- Pending
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
PURPOSE: To prevent a dragging phenomenon with brake shoe due to incorrect adjustment etc. by choosing the setting load of the primary shoe return spring of a duo-servo type drum brake, larger than that of the secondary shoe return spring.
CONSTITUTION: A duo-servo type drum brake has an adjuster 5 and a shoe return spring 6 between the lower ends of the primary shoe 3 and secondary shoe 4 which are arranged inside the brake drum 2. Between the upper ends of the shoes 3, 4, on the other hand, brake shoe expanding mechanisms 10, 12, a primary shoe return spring 8 and a secondary shoe return spring 9 are provided. The setting load of the spring 8 shall be, in such an arrangement, larger than that of the spring 9. By this construction, the shoe 3 is well separated as designed during the parking brake's being off, when shoes 3, 4 have been likely not separated from the drum 2 according to the conventional structure for some reasons. Thus the dragging phenomenon can be prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8379379A JPS5610835A (en) | 1979-07-02 | 1979-07-02 | Drum brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8379379A JPS5610835A (en) | 1979-07-02 | 1979-07-02 | Drum brake |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5610835A true JPS5610835A (en) | 1981-02-03 |
Family
ID=13812518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8379379A Pending JPS5610835A (en) | 1979-07-02 | 1979-07-02 | Drum brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5610835A (en) |
-
1979
- 1979-07-02 JP JP8379379A patent/JPS5610835A/en active Pending
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