Patent ID: 7301443

Claim:
An anti-theft lock for an automobile steering wheel comprising: a stationary base having a stop rod formed in a rear portion, a slot formed along a lengthwise direction of the stop rod in a front portion, a semi-circular fitting member formed under a front end, a locking housing extending out from a side and having a lock chamber in its hollow interior, said locking housing having an insert hole at an end and communicating with said slot, and an alarm chamber provided in a lower hollow interior of said stationary base; an insert pin of a T shape located in said lock chamber; a helical spring placed to fit around said insert pin; a locking core located in said lock chamber and having a rotary member in the center portion; a movable constrict base located in front of said stationary base and having a semi-circular fitting member to face to said semi-circular fitting member of said stationary base to enclose a portion of die steering wheel, and an elongate telescoping rod formed in a rear portion and bore with an insert hole in an outer end; said telescopic rod fittings into said slot and said insert pin extended into said insert hole to fix said telescopic rod in a locked position an alarm unit located in said alarm chamber; and, a cover closing up the bottom of said alarm chamber and having a plurality of sound holes in it.