Patent ID: 8701700

Claim:
An apparatus for emptying a sewage storage tank of a vehicle into a sewage disposal unit, the apparatus comprising: a platform coupled to a base by a tilting unit, the base rotatably coupled to a surface within a recess of the vehicle; a chain reel coupled to the platform; a self-supporting chain mounted on the chain reel, a first end of the self-supporting chain coupled to the chain reel and the self-supporting chain being unwindable from the chain reel to move a second end of the self-supporting chain from a retracted position to an extended position, the self-supporting chain comprising stops to limit links of the self-supporting chain from moving beyond a generally linear position when in the extended position, the self-supporting chain being coupled to an outlet of a sewage conduit of the sewage storage tank for moving the outlet of the sewage conduit into communication with an inlet of the sewage disposal unit prior to opening a valve of the sewage storage tank; and a control panel in communication with a driving mechanism of the apparatus to control extension and pivoting of the self-supporting chain relative to the vehicle; wherein the apparatus is sized to be received in a recess of the vehicle when the self-supporting chain is in the retracted position.