JPS56124545A - Vacuum servo device for braking - Google Patents
Vacuum servo device for brakingInfo
- Publication number
- JPS56124545A JPS56124545A JP2643480A JP2643480A JPS56124545A JP S56124545 A JPS56124545 A JP S56124545A JP 2643480 A JP2643480 A JP 2643480A JP 2643480 A JP2643480 A JP 2643480A JP S56124545 A JPS56124545 A JP S56124545A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- power piston
- braking
- urged
- plunger
- 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 Systems And Boosters (AREA)
Abstract
PURPOSE: To avert the sudden increase of an input stroke after tha limit of boosting force by a method wherein an elastic member in a control piston is pressurized and deformed and according to subject deformation said piston and a power piston are made into an integral body.
CONSTITUTION: When a brake pedal is operated, a valve mechanism 20 is actuated to flow the atmosphere into a changing pressure chamber and the power piston 12 is advanced. Due to the advance of the power piston 12, an output rod 76 is advanced by means of a reaction lever 67 and a master cylinder is actuated to apply braking. The reaction applied by the reaction lever 67 to a large diametral plunger 32 is increased proportionally to the increase of braking effect and a control disk 36 is elastically deformed to get into an opening 61 and a friction member 63 is urged to the inner surface 13b of the annular member of the power piston 12 through a plunger 62. Through the frictional force produced at the urged region, the power piston 12 and the control piston 19 are made into an integral body.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2643480A JPS56124545A (en) | 1980-03-03 | 1980-03-03 | Vacuum servo device for braking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2643480A JPS56124545A (en) | 1980-03-03 | 1980-03-03 | Vacuum servo device for braking |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56124545A true JPS56124545A (en) | 1981-09-30 |
Family
ID=12193396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2643480A Pending JPS56124545A (en) | 1980-03-03 | 1980-03-03 | Vacuum servo device for braking |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56124545A (en) |
-
1980
- 1980-03-03 JP JP2643480A patent/JPS56124545A/en active Pending
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