Door latch operating device
US4606567A · kind A · utility
10Cited by
6References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 27, 1983 |
| Grant date | Aug 19, 1986 |
| Priority date | — |
| Expiry date | Oct 27, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/57
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Herein disclosed is a door latch operating device which comprises a stationary member fixed to the door, a first movable member movable from a first position to cause the door to be locked to a second position to cause the door to be unlocked, a second movable member hingedly connected to the stationary member, and a third movable member having one end hingedly connected to the leading end of the second movable member and the other end pivotally connected to the first movable member. With this arrangement, the movement of the second movable member induces the movement of the first movable member, and vice versa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.