Patent · US Expired

Strike plate and hinge for a high security door system

US4547009A · kind A · utility

26Cited by
4References
3Claims
0Family size

Inventor

Key dates

Filing dateAug 11, 1983
Grant dateOct 15, 1985
Priority date
Expiry dateAug 11, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/79
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An improved strike plate for mounting on a door jamb to receive the dead bolt of a door mounted lock wherein the strike plate is provided with a buck pin that is offset from the bolt receiving aperture of the plate so as to be insertable in an opening provided in the strongest part of the wall supporting structure. A hinge similarly constructed is also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.