Window locking system
US6135511A · kind A · utility
42Cited by
58References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1997 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Sep 12, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1023
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus is disclosed for engaging locking elements to secure and lock a window sash to a window frame. A force transmitting device may be included with a guide forming a channel for an elongated tape transmits a horizontal movement provided by an operator mechanism into a vertical movement at a locking mechanism. The operator mechanism may include a removable bezel and a removable handle to facilitate access to the operator mechanism. A lockbar retainer of a compact construction guides a lockbar that actuates the locking elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.