JPS5650843A - Brake master cylinder device - Google Patents
Brake master cylinder deviceInfo
- Publication number
- JPS5650843A JPS5650843A JP12813779A JP12813779A JPS5650843A JP S5650843 A JPS5650843 A JP S5650843A JP 12813779 A JP12813779 A JP 12813779A JP 12813779 A JP12813779 A JP 12813779A JP S5650843 A JPS5650843 A JP S5650843A
- Authority
- JP
- Japan
- Prior art keywords
- fluid pressure
- rod member
- valve
- spring
- cylinder
- 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
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
PURPOSE: To facilitate braking controls without need of large tread force by providing a rod member which moves in response to the rise of fluid pressure in a cylinder chamber and a valve which is opened and closed by this member on one side of pistons in a cylinder equipped with large and small bores.
CONSTITUTION: The first and second pistons 9, 10 equipped with lands 5W7, 11 respectively engaged with its large and small diametral bores 3, 4 are housed in a cylinder member 1. Here, the piston 9 provides a rod member 37 which moves to the right against a spring 45 with rise of fluid pressure in chambers 13, 14 by movement to the left at its braking time and provides a valve 46 which closes a hole 40 by being moved by a spring 48 at the same time. In this occasion, the fluid pressure in the chamber 13 works on a groove 42 in the axial direction of the rod member 37. Besides, in the piston 9, when said fluid pressure becomes a higher settled value, it is displaced at a stepped part of the rod member 37 against a spring 51, a valve 50 to open the groove 42 is provided, by which part of the fluid pressure is returned through a hole 38, a port 21 to a reservoir 24.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12813779A JPS5650843A (en) | 1979-10-03 | 1979-10-03 | Brake master cylinder device |
| US06/190,747 US4384458A (en) | 1979-10-03 | 1980-09-25 | Variable ratio brake master cylinder with relief accumulator |
| GB8031490A GB2062785B (en) | 1979-10-03 | 1980-09-30 | Variable ratio brake master cylinder with relief accumulator |
| DE19803037473 DE3037473A1 (en) | 1979-10-03 | 1980-10-03 | MAIN BRAKE CYLINDER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12813779A JPS5650843A (en) | 1979-10-03 | 1979-10-03 | Brake master cylinder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5650843A true JPS5650843A (en) | 1981-05-08 |
| JPS6220932B2 JPS6220932B2 (en) | 1987-05-09 |
Family
ID=14977309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12813779A Granted JPS5650843A (en) | 1979-10-03 | 1979-10-03 | Brake master cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5650843A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154107A (en) * | 1990-08-02 | 1992-10-13 | Bendix Europe Services Techniques | Method for adjusting the lost motion in a tandem master cylinder and tandem master cylinder for carrying out this method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH055068Y2 (en) * | 1987-12-21 | 1993-02-09 | ||
| JPH0334942U (en) * | 1989-08-15 | 1991-04-05 |
-
1979
- 1979-10-03 JP JP12813779A patent/JPS5650843A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154107A (en) * | 1990-08-02 | 1992-10-13 | Bendix Europe Services Techniques | Method for adjusting the lost motion in a tandem master cylinder and tandem master cylinder for carrying out this method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6220932B2 (en) | 1987-05-09 |
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