Patent · US Expired

Locks

US5765410A · kind A · utility

18Cited by
6References
23Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 25, 1996
Grant dateJun 16, 1998
Priority date
Expiry dateMar 25, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/0839
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A lock for a door or the like having a dead lock assembly which comprises a bolt (41) and a drive mechanism (53, 54) adapted to be operated by a key, wherein the drive mechanism comprises a driving link (46), arranged to be driven by a lever (54) actuated by the key and arranged in turn to drive the bolt, and means (56) for transferring the drive from the driving link (46) to the bolt (41) in such a manner that the movement or throw of the bolt is increased relative to the displacement of the driving link (46).

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