Patent · US Expired

Lock mechanism

US4406486A · kind A · utility

9Cited by
3References
2Claims
0Family size

Inventor

Key dates

Filing dateMay 26, 1981
Grant dateSep 27, 1983
Priority date
Expiry dateMay 26, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/1021
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An electrically operated locking system for securing two heavy gate members together, and at least one of the gate members is moveable. The system includes a locking mechanism mounted on one gate member and a latch bolt fixed to the other gate member. The locking mechanism includes latch members that receive the latch bolt therebetween and a lock pin connected to an electrically actuated linkage that secures the latch bolt in the latch members. The locking system includes a mechanical lock-out feature, and it has the capability of being operated from a remote site.

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