Patent · US Expired

Means for sealing or locking a cam action door fastener

US4768816A · kind A · utility

30Cited by
9References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 14, 1983
Grant dateSep 6, 1988
Priority date
Expiry dateApr 14, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/1086
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An improved door fastening system is disclosed for cam-type, or overcenter, locking mechanisms for transport containers and the like. The said improvement providing means for receiving locks or seals at the cam ends of rotatable shaft means and at co-operating keeper means, whereby upon cam-engagement, a government seal or locking means may be received therethrough. The improved system thereby provides tamper-preventive means enabling the detection of vandalism, and further offers a deterrent to unauthorized opening.

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