Latch
US8066309B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 21, 2004 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Jul 21, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/62
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latch (10) including a casing (12) adapted to be fixedly mounted in a door, a carriage (20) mounted in the casing (12) and adapted for slidable movement relative to the casing (12) between an actuated position and a return position, a first spring (34) biasing the carriage (20) to the return position and a lock bolt (42) mounted to the carriage (20) and adapted to protrude from the casing (12) when the carriage (20) is in the return position. The latch (10) also includes a master cam (60) and a slave cam (80) each pivotally mounted to the casing (12) such that the master cam (60) directly acts upon the slave cam (80) whereby the pivoting actuation of the master cam (60) drives pivoting actuation of the slave cam (80) which in turn actuates sliding movement of the carriage (20) from the return position to the actuated position. Pivoting actuation of the master cam (60) through at most 35° is sufficient to move the carriage (20) to the actuated position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.