Patent ID: 8747028
Filing Date: 2014-06-10
Classification: B65G

Abstract:
1. Apparatus for unloading granular material from a container having concave interior corners, comprising: (a) a frame having a portion held above the ground by a plurality of legs; (b) a first tube connected to the frame for vertical movement with respect thereto, adapted for vacuum communication with a vacuum source; (c) a second tube having a first end rotatably connected to and in communication with the first tube, extending downwardly into the container over which the frame has been placed, including an elbow portion proximate a second end of the second tube; (d) a suction tube including a flexible portion and having a first end in communication with the elbow portion of the second tube; (e) a motor connected to the frame for vertical movement with respect thereto, being coupled to the second tube to rotate the second tube and the suction tube; and (f) a brush connected to the second tube and extending therefrom for urging granular material towards the interior periphery of the container as the brush rotates with the second tube, for granular material collection by vacuum at an open second end of the suction tube.