JPS5594039A - Braking gap adjusting device for drum brake - Google Patents
Braking gap adjusting device for drum brakeInfo
- Publication number
- JPS5594039A JPS5594039A JP60279A JP60279A JPS5594039A JP S5594039 A JPS5594039 A JP S5594039A JP 60279 A JP60279 A JP 60279A JP 60279 A JP60279 A JP 60279A JP S5594039 A JPS5594039 A JP S5594039A
- Authority
- JP
- Japan
- Prior art keywords
- hand
- adjustment
- piston
- adjustment nut
- pistons
- 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 rusting to be caused by muddy water, by disposing an adjustment nut, which is in engagement with an adjustment bolt, between a clutch plate attached to the inner extremity of a piston and a stepped piston, which pistons are embraced witin a wheel cylinder.
CONSTITUTION: When a brake lining is worn out beyond a predetermined level, the relative spacing distance between the left-hand and right-hand pistons 41, 22 disposed within a wheel cylinder increases. Then, an adjustment bolt 20 non-reversibly threaded on the left-hand piston 41 causes an adjustment nut 18 reversibly threaded on the right-hand piston 22 to move away from a clutch plate 23. The movement of the adjustment nut 18 eventually exceeds the gap S and the adjustment nut 18 is brought into contact with the stepped piston 21. Subsequent movement of the adjustment bolt 20 causes the adjustment nut 18 to rotate, thereby restricting the return of the left-hand and right-hand pistons 41, 22, when the brake is released, and thus serving to adjust the braking gap. If a braking force is applied in such a degree that the drum would be deformed, the stepped piston 21 moves while compressing a bellville spring 5, thereby to prevent any excessive adjustment.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60279A JPS5594039A (en) | 1979-01-10 | 1979-01-10 | Braking gap adjusting device for drum brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60279A JPS5594039A (en) | 1979-01-10 | 1979-01-10 | Braking gap adjusting device for drum brake |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5594039A true JPS5594039A (en) | 1980-07-17 |
JPS6224655B2 JPS6224655B2 (en) | 1987-05-29 |
Family
ID=11478273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60279A Granted JPS5594039A (en) | 1979-01-10 | 1979-01-10 | Braking gap adjusting device for drum brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5594039A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62198122A (en) * | 1986-02-26 | 1987-09-01 | Hitachi Ltd | Semiconductor processor |
-
1979
- 1979-01-10 JP JP60279A patent/JPS5594039A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62198122A (en) * | 1986-02-26 | 1987-09-01 | Hitachi Ltd | Semiconductor processor |
Also Published As
Publication number | Publication date |
---|---|
JPS6224655B2 (en) | 1987-05-29 |
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