B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
296/77
B60R 3/02 (2006.01)
Patent
CA 1145378
D-3791 SELF-LOCKING STEP ASSEMBLY FOR A VEHICLE ABSTRACT OF THE DISCLOSURE A self-locking step assembly is attached to a vehicle by rigidly connecting the outer cylinder of the assembly to the vehicle frame. The outer cylinder is secured with the centerline of its concentric inner and outer walls being substantially vertical. The inner cylin- der of the assembly is slidably and rotatably positioned within the inside wall of the outer cylinder. The inner cylinder has a step secured to its bottom section, with the step being substantially perpendicular to the inner cylinder. The assembly also utilizes a locking pin that is rigidly secured to one of the inner or outer cylinders, and a cam slot that is in the other of the inner and outer cylinders. The pin engages the cam slot which has first and second portions connected by a third portion. When the pin is in the first portion of the cam slot, the step is held in its used position by avitational forces. When the pin is in the second position of the cam slot, the pin is held in its stored position by the cams gravitational forces. Finally, when the pin is in the third portion of the cam slot, the operator is moving the step between its stored and used positions.
363347
Case Corporation
Meredith & Finlayson
LandOfFree
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