Electric device for opening or shutting automative doors
US4644693A · kind A · utility
52Cited by
3References
2Claims
0Family size
Inventor
Key dates
| Filing date | Aug 20, 1985 |
| Grant date | Feb 24, 1987 |
| Priority date | — |
| Expiry date | Aug 20, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/531
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This invention concerns about an electric device for opening or shutting automotive doors, which comprises a transmitting device controlling opening or shutting the door and an electromagnetic coil controlling the door lock. The transmitting device uses a motor and an electromagnetic clutch which are able to operate to open or close the door by pushing of a rack and attain the aim of automatically controlling the opening or closing of the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.