US Patent 10479387 Transporting device that can be moved by hand

A transporting device includes a first carrying device and a second carrying device arranged above the first carrying device. The first carrying device is wider than the second carrying device. The first carrying device has first fixing members each arranged in the rear area of the carrying device and on both sides. A handle device for moving the carrying device is fixed to each first fixing members. The second carrying device has second fixing members each arranged in the rear area of the carrying device and on both sides. Each handle device is additionally fixed to the nearest of the two second fixing members. Between the two handle devices an interspace is formed, which is used by the second carrying device of a rear transporting device when the latter is pushed into a transporting device located in front.