Tilt-latch for a sash window
US6722712B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Mar 11, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/0997
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tilt-latch (10) adapted for releasably securing a pivotable sash window (12) disposed within opposed guide rails (16) on a master frame (14) of a window sash assembly (11) is disclosed. The sash window (12) comprises a top sash rail (20), a base (22) and two stiles (24,26) connected together at their extremities. The tilt-latch (10) comprises a housing (42) adapted to be supported by the top rail (20). The housing (42) has an outward end opening (44) and a tongue (76) extending along a bottom wall (45) of the housing (42). The housing (42) also has a cover (51) having an elongated opening (70) defining a pair of rails (72,74). The housing (42) further has an outer edge (110). A latch bolt (46) is disposed within the housing (42) and has a nose (47) adapted for engaging a respective one of the guide rails (16). The latch bolt (46) has a first bolt channel (82) in cooperative sliding engagement with the first tongue (76). The tilt-latch (10) also has means for biasing the latch bolt (46) through the outward end opening (44). An actuator (48) is connected to the latch bolt (46) and has an actuator channel (100,102) on opposed longitudinal edges (96,98) of the actuator (48) that coop…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.