Auto anti theft device

Locks – Operating mechanism – Using a powered device

Patent

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Details

70DIG49, E05B 4900

Patent

active

046743073

ABSTRACT:
An anti-theft device comprising a compartment having lowermost spring plate with spring clips, some of which have insulating tops, others having metallic tops so that if an incorrect anti-theft card is used, it will raise the contacts energizing the top plate to sound an alarm by energizing the horn and at the same time energizing the relay making it impossible to complete the starter circuit by the ignition switch.

REFERENCES:
patent: 4390758 (1983-06-01), Hendrickson
patent: 4495484 (1985-01-01), Kawakatsu

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