Single and multi-point door lock
US8534099B2 · kind B2 · utility
16Cited by
22References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Mar 21, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/108
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a lock drive train, the combination includes a pivoted lock bolt to be carried by a door, a casing, a rotary cylinder operatively rotatable during door opening or closing, a rack driven endwise in response to cylinder rotation, a gear rotatable by the driven rack, a pivoted lock dog driven by the gear, a bolt release lever, pivotable by the gear, between angular positions in which it is retained by the lock dog, the angular positions corresponding to extended and retracted positions of the bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.