Safety system for preventing the unauthorized use of powered lif

Details Safety system for preventing the unauthorized use of powered lif Safety system for preventing the unauthorized use of powered lif

1988-10-03

1989-04-25

Orsino, Joseph A.

Communications: electrical

Land vehicle alarms or indicators

External signal light system

307 101, 307 108, 315 80, B60Q 126

Patent

active

048251909

ABSTRACT:
A motor vehicle such as a truck or a van which has a powered liftgate and which includes a liftgate electrical circuit for activating the liftgate to raise and lower the liftgate and a hazard warning circuit for operating the pulsating hazard warning light system of the vehicle, is fitted with a power interrupting device in the liftgate circuit which is responsive to the operation of the hazard warning circuit to render the liftgate circuit operable when the hazard warning circuit is operating.

REFERENCES:
patent: 2360227 (1944-10-01), Hemphill
patent: 2384689 (1945-09-01), Moore
patent: 3516525 (1970-06-01), Skaggs
patent: 3789357 (1974-01-01), Fritz, Jr.
patent: 3893697 (1975-07-01), Blitz et al.
patent: 4010814 (1977-03-01), Adams
patent: 4455462 (1984-06-01), DeLucia

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