Patent ID: 6739601
Filing Date: 2004-05-25
Classification: B60D

Abstract:
An improved jack for supporting and moving a horizontally extending trailer tongue above the earth's surface comprising:a longitudinally extending support shaft having an upper portion and extending therefrom a telescoping and axially rotatable lower portion; a bracket rotatably supporting said support shaft upper portion to a trailer tongue by which the support shaft may be pivoted between a horizontal position substantially parallel to the trailer tongue and a vertical position; a vertically extending wheel housing affixed to said support shaft lower portion and having an upper end and a lower end; a ground-engaging wheel rotatably supported adjacent said wheel housing lower end and having a wheel gear affixed thereto; a crank arm rotatably supported by said wheel housing adjacent said upper end thereof at a height closer to the trailer tongue than the earth's surface; and a rotation transfer system coupling said crank arm to said wheel for moving said trailer tongue, the elevation of said crank arm requiring reduced bending over by an operator standing on the earth's surface.