Patent ID: 7228582

Claim:
An extendable ramp apparatus comprising a frame with a front end, a back end, and two tracks each extending between the front end and the back end, the frame having a roller aligned with each track and positioned at the back end; a ramp with a first ramp end and a second ramp end; a carriage with a plurality of wheels engaging the tracks for reciprocal movement thereon, the carriage being pivotally attached to the first ramp end, the carriage oriented proximate the front end, the ramp oriented proximate the back end, wherein the ramp is supported by the carriage and the rollers; and a motor attached to the frame, the motor arranged to move the carriage in a first direction towards the back end and in a second direction towards the front end, the motor controlled by a switch having a first position causing the carriage to move in the first direction and a second position causing the carriage to move in the second direction.