Door lock having an unlocking mechanism for simultaneously unlatching latch-bolt and deadbolt mechanisms
US7748759B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2007 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Apr 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/82
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door lock includes upper and lower cam mechanisms mounted on an inner support plate, and a slide plate disposed between the upper and lower cam mechanism. The upper cam mechanism includes a spindle, and an upper cam body mounted on the spindle and having a tab projecting from the upper cam body. The upper cam body is rotatable relative to the spindle to change the tab between a left-hand installation configuration for a left-hand door installation and a right-hand installation configuration for a right-hand door installation. The slide plate has two opposite marginal portions extending respectively into slide passages provided on the inner support plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.