Patent ID: 9221630
Filing Date: 2015-12-29
Classification: B60D,B60S,B62D,B65G

Abstract:
1. A portable trailer restraint for restraining a parked freight trailer at a loading dock, the portable trailer restraint comprising a portable frame repositionably coupled to a vertically floating spring-biased king pin receiver configured to receive a king pin of the parked freight trailer, the portable trailer restraint also including a repositionable connector configured to releasably mount to an anchor remote from the portable trailer restraint and the parked freight trailer, the connector repositionable between a first position and a second position, where the first position couples the portable trailer restraint to the anchor, and where the second position decouples the portable trailer restraint from the anchor, wherein the floating king pin receiver includes a fifth wheel pivotally connected to a support in order to change the horizontal angle of the fifth wheel with respect to the support, the support and portable frame operatively coupled to a spring that biases the floating king pin receiver with respect to the portable frame, wherein the support comprises a cross-member that is pivotally connected to the fifth wheel, the cross-member concurrently mounted to a pair of spaced apart vertical beams and the spring interposes the support and the portable frame to allow the fifth wheel to vertically float upon the portable frame.