Electric Solenoid operation vehicle hood lock

Details Electric Solenoid operation vehicle hood lock Electric Solenoid operation vehicle hood lock

1985-11-27

1987-10-27

Wolfe, Robert L.

Locks

Special application

For automotive vehicles

70257, 70283, 180289, 200 4301, 292DIG14, 292DIG25, 292DIG42, 307 10AT, 361187, E05B 6519

Patent

active

047020946

ABSTRACT:
A solenoid activated locking system primarily for hood and trunk manual release systems for vehicles. The solenoid is connected to a cable tied to the latch of a conventional hood or trunk release system. Unless activated, the solenoid prevents manual release of the trunk or hood lids to prevent access to the truck or engine compartment to someone who has obtained unauthorized access to the vehicle interior. The solenoid is automatically actuated for a preselected period of time whenever the ignition is turned on or off or when a reset switch is closed for more than a minimum and less than a maximum period of time. In addition, the solenoid is activated automatically during closure of the hood or trunk lid to permit secure engagement of the corresponding latch mechanism. An emergency release cable, hidden in an obscure location external of the vehicle, is provided for enabling manual release of the solenoid in the event of vehicle battery failure or other otherwise disabling event.

REFERENCES:
patent: 2206137 (1940-07-01), Tedtman
patent: 2469283 (1949-05-01), Steele
patent: 3083562 (1963-04-01), Weizer
patent: 3576119 (1971-04-01), Harris
patent: 3744285 (1973-07-01), Barmherzig
patent: 3820361 (1974-06-01), Leitner
patent: 3831408 (1974-08-01), Featherman
patent: 4102164 (1978-07-01), Barbush
patent: 4233642 (1980-11-01), Ellsberg
patent: 4430685 (1984-02-01), Ellsberg

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