Door lock device for motor vehicles
US6422617B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 3, 2000 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Aug 3, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a door closer device which requires at least three switches consisting of a half door detection switch, a full lock (completely closing) detection switch and a switch for detecting the return to the initial position, the number of switches can be reduced. Two cam switch operating portions are formed on a cam plate fixedly secured to an output shaft of a motor. The motor is stopped by making use of one operating portion and the motor is rotated in a reverse direction by making use of the other operating portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.