Patent ID: 7086501

Claim:
A step ladder comprising: a step portion comprising: ladder steps; a ladder base adapted to reside on a ladder support surface when the ladder is in use; a ladder top opposite said ladder base; and first and second ladder sides connected by said ladder steps and extending between said ladder base and said ladder top; a wheel opening in one of a group consisting of the first ladder side and the second ladder side, wherein the wheel opening is proximal to the ladder base and positioned upwardly from said ladder base and is in a surface of the ladder base substantially perpendicular to the ladder steps; an axle fixedly attached to the ladder side, the axle approximately centered on the wheel opening and substantially perpendicular to a plane passing through said ladder steps; and a wheel rotatably mounted to the fixed axle and an outer surface of said wheel extends inwardly as well as outwardly from said ladder side and does not protrude beyond the end of the ladder base to allow the end of the ladder base to engage the ladder support surface in a use position; a caster wheel attached to the ladder rail having the fixed axle wheel adjacent to the ladder top, wherein: said fixed axle wheel is adapted to rollably support said ladder when said ladder steps are substantially perpendicular to the support surface, and said fixed axle wheel and said caster wheel are residing on the support surface.