Security hardware for doors
US4809400A · kind A · utility
15Cited by
3References
7Claims
0Family size
Inventor
Key dates
| Filing date | Feb 1, 1988 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Feb 1, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/68
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Security hardware for an exterior entry door in which a flat piece of metal is bent into a J-shaped door jamb mounted component and in which an aperture through which a door mounted article of hardware can project is provided in the single layer part an aligned buck pin apertures are provided in the double layer part of the component. A buck pin having a head portion and a grooved portion spaced therefrom is also provided as is a slotted retaining member that when positioned between the double layer of the component engages the grooved portion of the buck pin to prevent its removal from the buck pin apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.