Patent ID: 8662217

Claim:
A transporting device having a chassis, having four casters fitted to the chassis, and at least one further auxiliary roller contactable with the floor, wherein the auxiliary roller is mounted on a rigid frame and can be raised or lowered, together with the frame, relative to the chassis by pivoting, and wherein, furthermore, a drive motor secured to the frame is provided for the auxiliary roller, and a separate pivoting drive is provided for raising and lowering the auxiliary roller, wherein the separate pivoting drive is entirely secured to the frame and pivots entirely along with the frame and the auxiliary roller but not with the chassis, wherein the separate pivoting drive uses an eccentric to move the frame relative to the chassis, wherein the frame comprises two opposite frame walls, and wherein shafts of the auxiliary roller and of the eccentric are mounted one after the other longitudinally along the frame walls, and wherein the frame walls are connected to one another by the shafts and by a transverse connection.