Locks – Special application – For control and machine elements
Patent
1991-04-01
1992-03-24
Gall, Lloyd A.
Locks
Special application
For control and machine elements
70346, 70404, F16B 4100
Patent
active
050976869
ABSTRACT:
A security locking system primarily for use in the locking of a threaded retaining member onto a vehicle wheel. In one embodiment, the threaded retaining member may adopt the form of wheel lug nuts which are threaded onto the threaded studs of a vehicle wheel. The locking system comprises a sleeve or so-called "cover" extendable over the retaining member. A locking mechanism is mounted in an end wall of the sleeve. The locking mechanism is provided with a locking element which is extendable radially for engagement with a groove in the wheel lug and provides a positive locking action. The locking mechanism is provided with a cylindrically shaped key slot and has projections in the key slot. A key is provided with certain grooves alignable with the projections in the key slot to receive the key such that only the key having the aligned and properly sized recesses can be used to open and close the locking element. In this way, a conventional tumbler system normally used in most vehice wheel locks can be avoided.
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Consolidated International Automotive, Inc.
Gall Lloyd A.
Schaap Robert S.
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