Sash lock for a sash window
US6568723B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Sep 24, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1041
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sash lock for a sash window assembly is disclosed. The sash window assembly includes an upper sash window and a lower sash window. Each of the sash windows is mounted within opposed guide rails on a master frame. At least one of the sash windows is slidable within the frame relative to the other sash window. The sash lock comprises a keeper for mounting on a style of one of the sash windows. The keeper includes a keeper surface. The sash lock also includes a locking assembly for mounting on an adjacent style of the other of the sash windows. The locking assembly includes a housing having a hole, an actuator arm, and a cam having a cam surface for engaging the keeper surface. The locking assembly also includes a shaft extending through the housing hole and operably coupling the actuator arm to the cam. The keeper, the housing, the actuator arm and the shaft are formed of plastic and the cam is formed of metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.