Patent ID: 6364419
Filing Date: 2002-04-02
Classification: E01C

Abstract:
In combination with a vehicle having a motor powered mechanism for operating a vertically movable rear lift gate having an upwardly facing platform and a bottom surface which in use resides in a substantially horizontal plane; a system for working on a road surface; said system comprising:a road surface working apparatus secured to the upward facing platform of said lift gate and having a working portion thereof being mounted on a rotatable drive shaft extending laterally of said gate and said working portion projecting below said bottom surface of the lift gate, whereby with said gate in a lowered position, said working apparatus can engage the surface of the road on which said vehicle rests; motor means, secured to said gate, and connected to power said drive shaft; and means to selectively adjust the vertical position of said lift gate with respect to the surface of the road by controlling said motor powered mechanism, to thereby control the vertical position of the working apparatus and thus the degree of excavation produced by said working apparatus in the road.