Patent ID: 8443966
Filing Date: 2013-05-21
Classification: B64D,B65G

Abstract:
1. A device for transporting freight containers in freight compartments of an aircraft, comprising: a power drive unit (PDU) having a drive cylinder mounted in a frame, wherein the drive cylinder is mounted between two auxiliary frames which are pivotably connected by joints to the frame; a hollow cylindrical lifting unit, the lifting unit comprises a hollow shaft having at one end a drive output planet gear carrier fixedly connected to a frame limb of the frame, wherein the hollow shaft is rotatably mounted with respect to the frame limb and a drive unit is integrated within the hollow shaft, wherein the drive unit comprises an electric motor and either a single-stage or multi-stage planetary gear set, the drive unit located in the hollow cylindrical lifting unit is associated with the drive cylinder for raising the drive cylinder; and a controller is provided between the auxiliary frames in the region of the joints, and in an end-side region of the auxiliary frame, the drive cylinder is provided with rolling elements, wherein the hollow cylindrical lifting unit with hollow shaft and cam disk is arranged at an end of two frame limbs of the frame, wherein the hollow cylindrical lifting unit is in engagement with the rolling elements of the auxiliary frame.