Pneumatic brake booster
US4784038A · kind A · utility
7Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 1987 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Sep 3, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/57
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The movable wall structure (4, 5) dividing the housing (1) of the booster on the inside possesses a metal plate (4) having a central annular part (6), to which are fixed a stepped tubular insert (9) protecting the reaction disk (25) and a rear tubular element (8), in which is mounted a plastic body part (7) forming communication ducts (16, 23) for the distributor valve mechanism of the booster.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.