Patent ID: 9186678
Filing Date: 2015-11-17
Classification: B02C,B65H

Abstract:
1. A method for advancing paper sheets into cutter elements for shredding using a shredder comprising a tray for holding a stack of paper sheets; a motor rotating cutter elements in an interleaving relationship for shredding paper sheets fed therein; a paper stack separation mechanism to separate one or more paper sheets from the stack, the paper stack separation mechanism comprising opposing surfaces configured to separate paper sheets in the stack; and a paper feed mechanism to advance separated paper sheets into the cutter elements; wherein the method comprises: rotating the cutter elements in an interleaving relationship; moving the paper stack separation mechanism for insertion of the opposing surfaces into the stack in between paper sheets in the stack to separate one or more paper sheets for feeding into the cutter elements, and driving the feed mechanism in a feeding direction to feed the one or more separated paper sheets to the cutter elements.