Variable pitch vehicle wheel support ramp

Claim 1

A vehicle wheel supporting device, comprising: an elongated channel-shaped base having upstanding legs and a bight portion adapted to flatly contact the surface of the earth and having an upstanding stop forming wall at its respective ends; hingedly connected ramp means transversely and longitudinally overlying an intermediate portion of said base between said legs and said stop walls, said ramp means comprising a channel-shaped elongated ramp having an upwardly disposed bight portion forming a planar wheel supporting surface, and a channel-shaped ramp brace of less length than said ramp, the hingedly connected end portions of said ramp means being vertically movable toward and away from said base about the axis of the hinge connection; bearing means comprising a generally cylindrical member having a radius of less dimension than the height of the respective said stop wall extending transversely of and connected in depending supporting relation with the end portion of said ramp and said ramp brace opposite the hinged connection and slidable on said base bight portion; and, a plurality of elongated wedges each having opposing parallel side surfaces interposed in side by side relation between one said bearing means and one said stop wall for maintaining said ramp and said ramp brace on an incline with respect to said base.