Patent · US Expired

Removable cylinder lock

US4484462A · kind A · utility

43Cited by
6References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 1982
Grant dateNov 27, 1984
Priority date
Expiry dateMay 3, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7644
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A lock assembly features a removable cylinder plug. The cylinder plug is rotatably disposed in an outer body portion of the lock assembly that is itself movably positionable in a lock housing. The removable plug is only removable when the outer body portion of the assembly is disengaged from the housing. The body portion is disengageable when the inner plug member is rotated within the body portion after insertion of a key.

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