Key operated vehicle anti-theft electrical switching device

Details Key operated vehicle anti-theft electrical switching device Key operated vehicle anti-theft electrical switching device

B - Operations, Transporting

60

R

B60R 25/04 (2006.01) H01H 27/06 (2006.01)

Patent

CA 2199185

A vehicle anti-theft device is disclosed. The anti-theft device provides a key operated switch that makes or breaks the electrical continuity of four electrical circuits. These electrical circuits are essential to the operation of the vehicle; therefore their discontinuity prevents vehicle operation. A lock housing carries a lock having a rotating spindle. The spindle carries a perpendicular dive pin which engages a bushing having a helix shaped groove in its interior surface. A tab-like raised key sliding in a keyway slot in the housing prevents the bushing from rotating. Therefore, rotation of the spindle creates art axial movement of the bushing. A male contact block, carrying four U-shaped solid contact pins may be extended by the axial movement of the bushing to engage a female contact block carrying eight female socket contacts which are connected to eight in-coming wires. When extended, each U-shaped pin creates electrical continuity between a pair of wires. When retracted, the four circuits are electrically discontinuous, and the vehicle operation is prevented

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