Steering wheel lock with vibration initiated alarm circuit

Details Steering wheel lock with vibration initiated alarm circuit Steering wheel lock with vibration initiated alarm circuit

1998-07-01

1999-07-06

Hofsass, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

3404255, 70209, 70207, 70226, 70237, 70DIG49, 307 102, B60R 2510

Patent

active

059202548

ABSTRACT:
A steering wheel lock includes a lock body with a stop bar at one side, a locating device fixedly fastened to the lock body, the locating device having two vertical barrels at two opposite sides and a U-shaped retainer plate at the top, a U-shaped shackle, and a vibration-initiated alarm signal mounted inside the lock body, wherein the U-shaped retainer plate of the locating device is hooked on the periphery of the steering wheel of a car, permitting the stop bar of the lock body to be stopped at a part inside the car, and the U-shaped shackle is inserted through the barrels of the locating device into lock holes on the lock body and locked by the lock body to secure the locating device and the lock body in place and to stop the steering wheel from rotation; a radio transmitter circuit is connected to the vibration-initiated alarm circuit, the radio transmitter circuit being triggered to transmit a radio alarm signal into the air when the vibration-initiated alarm circuit is induced to alarm; a radio receiver is provided and carried by the user for receiving the radio alarm signal from the radio transmitter circuit.

REFERENCES:
patent: 5331307 (1994-07-01), Eizen
patent: 5372019 (1994-12-01), Hsiao
patent: 5381679 (1995-01-01), Cummins
patent: 5400627 (1995-03-01), Liao
patent: 5452597 (1995-09-01), Chen
patent: 5454242 (1995-10-01), Su
patent: 5636537 (1997-06-01), Chen
patent: 5765414 (1998-06-01), Yu

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