JPS56163947A - Negative pressure type doubling device - Google Patents
Negative pressure type doubling deviceInfo
- Publication number
- JPS56163947A JPS56163947A JP9303080A JP9303080A JPS56163947A JP S56163947 A JPS56163947 A JP S56163947A JP 9303080 A JP9303080 A JP 9303080A JP 9303080 A JP9303080 A JP 9303080A JP S56163947 A JPS56163947 A JP S56163947A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- wall
- shell
- flange
- piston
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
- B60T13/567—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of the casing or by its strengthening or mounting arrangements
- B60T13/5675—Supportstruts
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
PURPOSE:To provide a simple construction or structure and assure an air-tight structure by a method wherein the tie-rod and the rear wall of the booster shell are connected through a fixing bolt of the booster shell for the schassis. CONSTITUTION:Opposing wall of the front and rear walls 1F, 1R of the shell 1 are connected through tie-rod 34 passing through the booster piston 2 and the diaphragm 3, a rolling diaphragm 35 is arranged in tension between the opposing circumferential surfaces of the piston 2 and the rod 34, then the through-hole 31 is sealed so as not to prevent an operation of the piston 2. The front wall 1F and the flange of the master cylinder M are held by the bolt 37 at the front end of the rod 34, the flange 38 and the nut 39, then the air-tightness is kept. On one hand, one end 43a of the fixing bolt 43 is threadably engaged with the rear and of the rod 34 through the rear wall 1R, the rear wall 1R is held by the flange 44 and the rear end of the rod 34, and its air-tightness is kept by the seal 47. Part of the bolt 43 projected from the rear wall 1R is passed through the front wall of the compartment, threadably engaged with the nut 52, then the shell 1 is fixed to the front wall W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9303080A JPS56163947A (en) | 1980-07-08 | 1980-07-08 | Negative pressure type doubling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9303080A JPS56163947A (en) | 1980-07-08 | 1980-07-08 | Negative pressure type doubling device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6739480A Division JPS56163951A (en) | 1980-05-21 | 1980-05-21 | Negative pressure type doubling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56163947A true JPS56163947A (en) | 1981-12-16 |
| JPS6231665B2 JPS6231665B2 (en) | 1987-07-09 |
Family
ID=14071091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9303080A Granted JPS56163947A (en) | 1980-07-08 | 1980-07-08 | Negative pressure type doubling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56163947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7096775B2 (en) | 2003-11-28 | 2006-08-29 | Hitachi, Ltd. | Pneumatic booster |
-
1980
- 1980-07-08 JP JP9303080A patent/JPS56163947A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7096775B2 (en) | 2003-11-28 | 2006-08-29 | Hitachi, Ltd. | Pneumatic booster |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6231665B2 (en) | 1987-07-09 |
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