Lock construction having an electrically activated clutch mechanism and a transmission mechanism
US6622535B2 · kind B2 · utility
36Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Oct 16, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This invention is related to a lock construction comprising: an active driving mechanism, a clutch mechanism, a first latch, a first latch-driving member, a second latch, a second latch-driving member, a latch spring, a transmission mechanism, and a handle mechanism. In one embodiment, the lock construction comprises a clutch mechanism that can be activated electrically to allow latching or unlatching of the door. In an alternative embodiment, the lock construction comprises a transmission mechanism that can drive two latches of the lock simultaneously to latch or unlatch the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.