US Patent 7980807 Load-handling means with rolling-body circulatory guidance

A load-handling apparatus having a frame and a load movement component part accommodated on said frame in such a way that it is capable of relative movement, the load movement component part being guided on the frame by a plurality of rolling bodies for the relative movement along a guide axis, the plurality of rolling bodies comprising at least one arrangement of circulating rolling bodies, with a supporting section, in which rolling bodies in the event of a relative movement of the frame and the load movement component part roll along a guide track and a rolling track, and a return section, in which the rolling bodies during the relative movement of the frame and the load movement component part move from an outlet end region of the supporting section towards its inlet end region.