Wheel chock restraint system

Brakes – Vehicle – Railway

Reexamination Certificate

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Details

C188S032000, C414S401000

Reexamination Certificate

active

11295185

ABSTRACT:
Wheel chock restraint system comprising a wheel chock, a supporting element mounted on the ground near a loading dock and a support assembly connected by one end to the wheel chock and by another end near the loading dock. A base portion of the chock is provided with first engagement elements and the supporting elements are provided with corresponding second engagement elements, cooperating to create a retention force to prevent the chock from sliding away from the wheel of a vehicle attempting to depart prematurely. The first engagement elements comprise teeth extending downwardly under an angle and the second engagement elements are stoppers extending upwardly from the supporting element. This system also comprises an anti-theft locking device; which, together with the first and second engagement elements, securely locks the chock on the wheel of the vehicle to prevent any unauthorized removal of the chock and theft of the vehicle.

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patent: 6938734 (2005-09-01), Curl
patent: 7032720 (2006-04-01), Jette et al.
patent: 2005/0226705 (2005-10-01), Wilson
patent: 2164738 (1997-06-01), None

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