Concealed window lock with detachable handle and escutcheon
US5741031A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1996 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | Mar 18, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1015
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A window lock actuator including a link assembly rotatably mounted on the window jamb, the link assembly operably securable to control movement of a cam into and out of engagement with a keeper for locking a sash to a window jamb. A handle is detachably secured to the link assembly for rotation therewith, and has two legs cradling the link assembly when the handle is secured thereto. Two tabs on the link assembly and two recesses on opposite inner surfaces of the legs engage when the handle is secured to the link assembly. An escutcheon has a spring secured on one side, which spring is biased outwardly against one side of a jamb cavity to frictionally secure the escutcheon in the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.