T-handle lock assembly
US6422049B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 15, 2001 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Feb 15, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/85
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A high security T-handle assembly for supporting a lock cylinder, includes an elongate handle having a passageway therethrough for key access to the locked cylinder along with a housing for containing the locked cylinder. The housing includes an opening therein for enabling projection of a locking pin exterior to the housing. First screw threads are formed on a circumference of the housing on one end of the housing and second screw threads are formed on the handle into one side thereof for engaging the first screw threads in order to secure the handle to the housing. At least one set screw is disposed in the handle for engaging the housing for preventing the unscrewing of the handle from the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.