Importance

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Abstract

A rail car skid insertion device for remotely inserting a skid onto a rail head of a rail spur to impede movement of a rail car is disclosed. The device includes a skid removably attached to a carrier arm mounted on a slide bar. The skid is attached to the carrier arm at a safe distance from a rail head. The slide bar may then be translated such that the skid is positioned on the rail head. The removable attachment allows a wheel of a moving rail car to drag the skid off of the carrier arm. The skid prevents the rail car wheel from rotating, thereby reducing the speed of the rail car. After the skid has been removed from the carrier arm, the slide bar may be retracted, and another skid attached, thereby allowing remote insertion of another skid onto the rail head after the wheel of the rail car moves from the skid, the skid rails on the rail head and falls automatically on the road bed at one side of the rail. For this purpose, the skid embodies a continuation that brings about an unbalanced net force due to gravity.

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First Claim