Locks – Special application – For control and machine elements
Patent
1995-05-15
1996-09-24
Boucher, Darnell M.
Locks
Special application
For control and machine elements
180287, 70257, 70237, 307 103, B60R 2502
Patent
active
055579574
ABSTRACT:
A steering wheel anti-theft system for an automobile having an ignition key switch assembly and a steering wheel wherein a pair of extendable rods are built into the transverse body of the steering wheel for radial extension and retraction in between an extended position wherein they are visible and interfere with the driving of the automobile and a storage position wherein they are retracted in the steering wheel and do not so interfere. The steering column ignition key assembly includes an electric switch which is opened and closed by the turning of a key for connecting or not connecting a source of electrical power to electronically operated latches for securing said rods in extended positions when said switch is opened or allowing it to be retracted only when said switch is closed. The disclosed latches are solenoids in the steering wheel that retract a spring loaded pin when electrically energized but when unenergizied allow the pin to be driven into a hole in the extended rod to latch it in that position. Only by operating the ignition key switch can the rods be unlatched and manually retracted and only that one key switch need be operated to unlatch the anti-theft system and start and run the automobile.
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Boucher Darnell M.
Kinney Richard G.
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