Transmission mechanisms for vehicles
US4128151A · kind A · utility
6Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1977 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Apr 6, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20018
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to the transmission mechanism of an automotive vehicle. The mechanism comprises a drive shaft, an input shaft, a coupling, a reversing gear, means for applying a brake to the input shaft and means for selecting the operating condition of the reversing gear. The brake actuating means comprise a hydraulic circuit, incorporating a solenoid valve, the energizing circuit of which comprises a normally open switch and a normally closed switch. Means for closing the switch comprise a self-hold relay of which an energizing circuit incorporates contact pairs operated by the selection means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.