Latch socket for reinforcing the lock between a door and a door frame
US5906404A · kind A · utility
Inventor
Key dates
| Filing date | Dec 22, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Dec 22, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/705
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latch socket is provided for reinforcing the lock achieved between the door and a door frame utilizing a deadbolt lock or a key lock. The latch socket includes a relatively rigid elongated metallic one-piece homogeneous cast metal member having an exterior cylindrical surface with a coarse thread cast therein which is adapted to be threaded into a relatively large diameter drill hole of an associated door frame. The member includes opposite tubular end portions with a wall therebetween having a socket for receiving a drive tool for imparting axial and rotational drive force to the member for threading the same into or unthreading the same from an associated door frame drill hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.