Vehicle dump body with auxiliary inner movable body

Claim 1

An unloading device for a vehicle body, which device comprises in combination with the dump body of a vehicle; a. an elongated outer body which comprises, 1. a supporting structure, b. a wheeled, inner, auxiliary body at least partially within said elongated outer body, which outer body having a floor and at least three upstanding sides, 1. the wheels of said auxiliary inner body being in rolling relation with the lower inner surface of the outer body, 2. wiper elements on the rear portion of the respective sides of said inner, auxiliary body, which wiper elements are in close wiping relation with the inner surfaces of said outer body walls, 3. a scraper element is secured to the rear lower end of said auxiliary inner body to scrape the upper surface of the floor of the outer body, c. power means interconnecting between the forward end of said elongated outer body and said inner auxiliary body to move said inner auxiliary body within the length of said outer body, 1. an end gate in the rear end of said outer body, 2. said inner, auxiliary body adapted to be moved rearwardly by said power means to direct material outward through the end gate in said elongated outer bOdy while said outer body is in a horizontal position, and 3. power means interconnecting the forward end of said elongated outer body and said supporting structure to elevate the forward end of said elongated outer body to discharge material from the ends of said bodies.