Latch, in particular for an automobile vehicle door
US4541258A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1982 |
| Grant date | Sep 17, 1985 |
| Priority date | — |
| Expiry date | Mar 8, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Devices for controlling the unlatching and locking of the latch are hydraulic. Connected to a single unit having a plurality of slide valves are an expansion vessel, transmitting pumps controlling the unlatching, a receiving unlatching fluid motor and one or more pumps controlling the locking of the latch. Depending on which slide valves and pumps are employed, it is possible to achieve at will one or more of the various locking functions required in automobile vehicle latches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.