Self-loading and unloading truck trailer assembly

Claim 1

A motor vehicle comprising: a wheeled chassis, a dual purpose operator's cab comprising a fixed first operator's portion including controls for operating the motor vehicle and a movable second operator's portion both located at one end of said chassis, a forklift assembly mounted at the other end of said chassis, said forklift assembly comprising a mast and a forklift for controlled movement along said mast, said mast being pivotally mounted at said other end of said chassis for movement about a horizontal axis from a position lying in a horizontal orientation on top of said chassis and extending longitudinally thereof to a vertically extending position located laterally of said other end of said chassis, a first means mounted on said chassis for pivoting said mast from said horizontally extending position to its vertically extending position and vice versa, horizontally extending and vertically rigid supporting and turning means mounting said second portion of said cab on said chassis for moving said second portion of said cab about a vertical axis located intermediate the length of said chassis for selective adjustment of said second portion of said cab either into a transit position at said one end of said chassis or into a cargo transfer position at said other end of said chassis, a reversible power transmitting means selectively operatively associated with said supporting and turning means so that actuation of said supporting and turning means by said power transmitting means in one direction will move said second portion of said cab from said transit to said cargo transfer position and in another direction will return said second portion of said cab to said transit position, and said second portion of said cab including controls for selectively operating said forklift and said motor vehicle for cargo moving activity when said second portion of said cab is in said cargo transfer position.