Locks – Special application – For control and machine elements
Patent
1998-08-12
2000-01-25
Dayoan, B.
Locks
Special application
For control and machine elements
70226, B60R 2502
Patent
active
060166746
ABSTRACT:
The steering wheel lock and an air bag anti-theft device is adapted to fit atop a steering wheel having a hub, a plurality of spokes about a central hub axis and carrying an air bag thereon. The device includes a first and a second platform slidably engaged together. Each platform has, at opposing ends, an arcuate, steering wheel grip member with a substantially semicircular wheel grip face. Each grip face has an open mouth which faces inboard towards said central axis of said steering wheel. The device also includes first and second laterally spaced apart locking bars each carrying locking grooves. The locking bars are mounted on one of said first and said second platforms. Respective receiving channels hold and guide the first and second locking bars. The channels are formed on the other of said first and second platforms such that said locking bars slide in and out of said receiving channels in an unlocked mode. A key actuatable lock is mounted on said other of said first and second platforms. The lock includes a rotating armature acting upon two latches which move in opposite directions and mate with said locking grooves on said locking bars. The latches are biased to one of a locked or an unlocked position. In a preferred embodiment, the latches are biased to an open or unlocked position. Also, one locking bar is cylindrical and carries fine locking grooves thereon and the other locking bar is cylindrical and carries larger, circumferential locking grooves thereon. Accordingly, the fine grooves enable short, tight digital locking action on the steering wheel while the larger locking grooves provide superior locking support for the entire system. In an alternate embodiment, the fine locking grooves are omitted and the bar becomes a smooth faced, guide bar. In the alternate embodiment, the rotating armature moves a single latch. In both embodiments, depending pins capture steering wheel spokes therebetween and limit rotational movement of the entire system when placed on the steering wheel.
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Dayoan B.
Kain, Jr. Robert C.
MSO Limited
Walsh John B.
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