Vehicle keyless deadbolt locking system

Details Vehicle keyless deadbolt locking system Vehicle keyless deadbolt locking system

1996-07-29

1997-12-02

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

70264, 180287, B60R 2500

Patent

active

056939876

ABSTRACT:
A vehicle entry control system utilizing electrically operated deadbolts, actuated in response to the code signal of a remote control transmitter, which provide positive protection against the various mechanical techniques used to defeat conventional vehicle door locks. The system uses electrical linear actuators to position the deadbolts, a door interlocked switching circuit, with the deadbolts positioned to allow the mechanical release of the deadbolts in the event of a malfunction, but to accomplish this requires the facilities of a service shop and an amount of time and labor that would be prohibitive for a thief.

REFERENCES:
patent: 3756341 (1973-09-01), Tonkowich et al.
patent: 4615558 (1986-10-01), Nakamura et al.
patent: 4834207 (1989-05-01), Havenhill et al.
patent: 4966019 (1990-10-01), Hoffman et al.
patent: 5386713 (1995-02-01), Wilson
patent: 5441317 (1995-08-01), Gruden et al.
patent: 5525977 (1996-06-01), Suman
patent: 5531086 (1996-07-01), Bryant
patent: 5534846 (1996-07-01), Kuroda

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