Power-assisted rotary bolt lock
US4927196A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Oct 18, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The lock (S), intended in particular for an automobile door, includes a rotary bolt (1) intended for cooperation with a keeper (2), and includes motive means arranged to assist at least the closure, as well as manual control means enabling the assurance of the opening and closure of the assisting motive means; it includes a transmission device (T) of the freewheel type (17), mounted in a recess (18) of the bolt (1) and arranged to communicate to the bolt a rotational movement originating in the assist means for the direction that corresponds to the closure of the lock (S); anti-lock means are arranged to be actuated by the manual control means, with a view to preventing the normal action of locking the freewheel (17), and uncoupling the bolt from the assist means in the event of failure of these means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.