Patent ID: 6045316
Filing Date: 2000-04-04
Classification: B60P

Abstract:
A fifth wheel rollback trailer consisting of:a pull frame having a front end, a back end, side frames, outside edges and an underside, a cross plate and an end plate fastened between said side frames,a pair of hinges mounted on said pull frame back end, one hinge on each of said side frames of said pull frame,a wheel assembly including an axle, a plurality of wheels, and a pair of leaf springs, said wheel assembly being suspended from said pull frame underside by said leaf springs, directly beneath said pair of hinges,a short lever arm and a long lever arm being pivotally mounted on each of said side frames, opposite each other, and having a rotatable bearing pivotally mounted on each of said long lever arms, each of said bearings having a ""U"" shaped bracket mounted thereon,a hydraulic cylinder having a first end pivotally mounted on each of said short lever arms and a second end pivotally mounted on said pull frame cross plate,a tilt frame having a back end and having opposite sides mounted parallel to each other, each of said sides having a top surface, said tilt frame being pivotally fastened to said pull frame on said pair of hinges mounted on said pull frame,a slide frame having a back end and having opposite sides mounted parallel to each other, each of said sides having a top surface and a bottom surface, said slide being slidably movable on said tilt frame top surfaces, said slide frame having a flat deck fastened to said sides top surface, anda hydraulic cylinder pivotally attached to said slide frame back end at a first end and pivotally attached to said tilt frame back end at a second end.