Loading apparatus in motor truck

A loading apparatus for a motor truck having a load supporting truck bed which is capable of moving loads on the load supporting truck bed in a rotational manner comprising two longitudinal tracks on opposite sides of the truck bed in spaced relationship and substantially covering the entire bed area of said truck with the exception of a void area at least approximately the size of the area covered by one load, and a lateral track that is positioned at the front of the truck bed between said longitudinal tracks substantially covering said void area, each of the longitudinal tracks and lateral track including a pair of spaced guide rails that extend substantially throughout the respective entire longitudinal and lateral lengths of the truck bed, a fixed load supporting means having a centrally located parallel groove being secured between each pair of guide rails secured to the truck bed, an endless chain assembly means positioned within the centrally located groove of said fixed load supporting member and being adapted to engage a movable load for rotational movement of the load around the entire area of the truck bed, each end of said longitudinal and lateral tracks being provided with a corresponding lifting means that is located directly below the truck bed and in contact with the respective end of each guide rail, such that upon actuation of the lifting means, the end of the guide rail in contact therewith is raised or lowered in the desired fashion.