Latch for pivotal sash window
US4553353A · kind A · utility
74Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1984 |
| Grant date | Nov 19, 1985 |
| Priority date | — |
| Expiry date | Apr 20, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/0997
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latch for a pivotal window sash used in a double-hung window assembly. The latch is mounted internally in a sash frame member with its latch bolt protruding from the sash to engage in the guide rail of the master frame jamb of the window assembly. There is a finger manipulative control button external of the sash frame for releasing the bolt from said guide rail so that the window sash can be pivoted. The latch bolt is mounted under spring tension to maintain the bolt normally in a locked position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.