Patent · US Expired

Wireless control of electronic door locking devices for trailers

US5640139A · kind A · utility

73Cited by
8References
4Claims
0Family size

Inventor

Key dates

Filing dateSep 14, 1995
Grant dateJun 17, 1997
Priority date
Expiry dateSep 14, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R25/1001
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A system for preventing theft of cargo from a cargo area of a truck is disclosed. The system includes a lock for locking shut a door to the cargo area of the truck when the lock is engaged. The lock allows the door to the cargo area to be opened when the lock is disengaged. A receiver receives a signal from a remote location. The lock is controlled in response to the signal received from the remote location such that the lock is disengaged when the signal received from the remote location is indicative of predetermined information.

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