Paddle lock with rotatably-mounted handle disconnect member
US4312205A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1979 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Dec 28, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/0994
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door lock has a flush-mountable body. A forwardly facing recess is defined by the body. A paddle-type handle is pivotally carried by the body and is movable between a nested position within the body recess and an operating position. A spring-projected slide bolt is carried on the back of the body and is movable between projected and retracted positions. A key-controlled disconnect linkage is provided for selectively connecting and disconnecting the handle and the bolt. The disconnect linkage includes a rotatably-mounted disconnect member which extends longitudinally relative to the bolt. Interengageable formations are provided on the bolt and the disconnect member. The interengageable formations are brought into and out of driving engagement by the movement of a key-operated locking member. When the disconnect linkage drivingly connects the handle and the bolt, movement of the handle from its nested position to an operating position will cause corresponding retracting movement of the bolt. When the disconnect linkage disconnects the handle from the bolt, movement of the handle is inoperative to cause retracting movement of the bolt. A feature of the disconnect linkage is that it …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.