Automatic door locking/unlocking device for an automotive vehicle
US4502718A · kind A · utility
23Cited by
13References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 1, 1982 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Apr 1, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/57
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door lock/unlock system for an automotive vehicle having a safety means for preventing a driving unit for electrically driving a door lock mechanism between a door lock position and an unlock position from being damaged by mis-operation. The safety means inhibits power supply to the driving unit when the door locking operation is made while the door lock mechanism is in the lock position and when the door unlocking operation is made while the door lock mechanism is in the unlock position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.