Locking mechanism for windows or doors
US5437485A · kind A · utility
8Cited by
5References
7Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 17, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Mar 17, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1018
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A locking mechanism for driving a lock bolt comprises a housing. A pinion has an outer circumference and is rotatably mounted in the housing. The pinion has a plurality of teeth and tooth gaps are disposed between adjacent teeth. A predetermined number of the tooth gaps have an abutment that extends outwardly substantially to the outer circumference of the pinion. A toothed rod is coupled to the lock bolt. The toothed rod is engaged by the pinion. A spring loaded detent device arrest the rotational movement of the detent in a switching position of the lock bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.