Patent ID: 8215892

Claim:
An arrangement for moving a cargo-carrying apparatus having a pivoting member between a vehicle and a storage volume having a fixed height, the pivoting member coupled to the cargo-carrying apparatus by a pivot point, and the vehicle having a longitudinal centerline and including a hook arm having a pivot end and a hook end, with the hook end coupled to the cargo-carrying apparatus, the arrangement comprising: a plurality of horizontal rollers mounted on one of the vehicle and cargo-carrying apparatus; and a pivot joint positioned in the hook arm between the pivot end and the hook end with the pivot joint proximate the pivot point of the pivoting member, wherein the hook end maintains engagement with the cargo-carrying apparatus on the vehicle throughout its motion between a first position for use outside the storage volume with the hook end above the fixed height, and a second position for use inside the storage volume with the hook end below the fixed height, wherein in the first position the hook arm and a portion of the cargo-carrying apparatus are disposed in a parallel, side-by-side position when the cargo-carrying apparatus is positioned for travel on the vehicle, and wherein the height of the arrangement in the second position is less than the height of the arrangement in the first position.