Patent ID: 8678411

Claim:
A retractable stair assembly for a vehicle comprising: a track assembly adapted to be engaged to a portion of the vehicle's frame; said track assembly comprising: a first track and a second track disposed parallel to each other; wherein each of the first and second tracks has an interior surface, an exterior surface, a top, a bottom, a first end and a second end; a space defined between the interior surface of the first track and the interior surface of the second track; a slot defined in each of the first and second tracks, said slot extending from proximate the first end thereof to proximate the second end thereof; a step assembly having a first end and a second end; a first pivot assembly securing the first end of the step assembly to the track assembly; a second pivot assembly securing a portion of the step assembly intermediate the first and second ends thereof to the track assembly; and wherein the step assembly is movable between a storage position and an operational position; and when the step assembly is in the storage position the step assembly is disposed in the space between the first and second tracks; and when the step assembly is in the operational position the step assembly extends outwardly and downwardly from the first ends of the first and second tracks and is adapted to extend downwardly toward a surface upon which the vehicle rests.