Towing valve arrangement for fail-safe brake system
US3944295A · kind A · utility
4Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1975 |
| Grant date | Mar 16, 1976 |
| Priority date | — |
| Expiry date | Jan 30, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/18
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A brake system having spring applied fluid pressure released brakes is provided with an auxiliary source of pressure for release of the brakes and a valve that is locked into an inoperative position effective to thereby render it tamper-proof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.