Brake booster with a double pressure disk
US4719842A · kind A · utility
11Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1987 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Jan 6, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/575
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Two pressure disks (13, 19) are arranged in tandem between the valve plunger (9) and the rear end (21) of the booster output rod (22), a stepped middle member (23), having a front portion with a reduced diameter (24) sliding inside an annular spacer member (17), being arranged between the two pressure disks and cooperating with the latter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.