Window lock
US4429910A · kind A · utility
42Cited by
9References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 1981 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Oct 8, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1079
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A window lock operable in association with either a right-hand or left-hand casement window having a cam movable to either one of two different lock positions relative to a keeper mounted on a window sash. One lock position is operative when the window lock is used with a right-hand casement window and the other lock position is operative when the window lock is used with a left-hand casement window. The movement of the cam is effected by a handle connected thereto by structure including connection means providing a mechanical advantage in movement of the cam by the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.