Patent · US Expired

Vehicle shifter locking device

US4231241A · kind A · utility

14Cited by
14References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 24, 1978
Grant dateNov 4, 1980
Priority date
Expiry dateAug 24, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20702
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A locking device for preventing the theft of certain vehicles equipped with automatic transmissions. The device is designed to mount on the shift lever of certain types of automatic transmissions and prevent shifting out of the PARK position, thus preventing theft of the automobile, even though the engine may be started by unauthorized means. The device is readily attachable to automatic transmission shift levers of the type for which it is designed, cannot be removed without a key, is positive in operation so as to prevent shifting of the transmission when locked, is simple and economical to manufacture, and is reliable and effective in preventing unauthorized operation of a vehicle.

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