Patent · US Expired

High security cylinder operated deadbolt lock

US4593546A · kind A · utility

13Cited by
7References
1Claims
0Family size

Inventor

Key dates

Filing dateDec 26, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateDec 26, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7712
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A cylinder operated deadbolt lock in which a solid housing is provided with bores and apertures only to accommodate the lock components, such as the lock cylinder, the lock bolt, and the bolt moving mechanism. The lock bolt is provided with a rack and extends into the housing where it is thrown and withdrawn by a pinion mechanism.

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