Patent ID: 6318955
Filing Date: 2001-11-20
Classification: B65G

Abstract:
An apparatus for depalletizing objects from a pallet where the objects are arranged in layers on the pallet with a sheet between adjacent layers of objects, the apparatus comprising:a bay in which the pallet of objects is received;a conveyor adjacent the bay for receiving layers of objects moved from the bay;a sweep supported on the bay for movement downwardly adjacent a topmost layer of objects on a pallet in the bay and movement horizontally to move the topmost layer of objects along a path of movement out of the bay and onto the conveyor;a hold back bar between the bay and conveyor which will engage objects in a layer of objects below the topmost layer of objects as the sweep moves the topmost layer of objects out of the bay and onto the conveyor;the hold back bar is movable between extended and retracted positions, where in the extended position the hold back bar engages objects in the layer of objects below the topmost layer of objects and in the retracted position the hold back bar does not engage objects in the layer of objects below the topmost layer of objects; andthe hold back bar is supported by at least one slide rod, wherein the slide rod is positioned in at least one trunion such that the slide rod will move correspondingly with the movement of the hold back bar, and wherein a collar positioned on the slide rod will limit the degree of extension of the hold back bar.