Patent · US Expired

Blocking device for latch mechanism

US5003803A · kind A · utility

25Cited by
7References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 2, 1989
Grant dateApr 2, 1991
Priority date
Expiry dateAug 2, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7915
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A repositionable latch blocking apparatus for use with a latchable mechanism, the latchable mechanism having an operating device to operate the latchable mechanism between locked and unlocked positions, the latch blocking apparatus comprising at least a first surface, the latch blocking apparatus having a fastening device disposed thereupon to fasten the latch blocking apparatus proximate the operating device of the latchable mechanism, so as to position the at least first surface to block the operation of the operating device and thereby prevent the operation of the latchable mechanism between locked and unlocked positions, whereby when the latch blocking apparatus is repositioned, so as to position the at least first surface remote the operating device said repositioning allowing the operation of the latchable mechanism.

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