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Automatic shredder without choosing the number of paper to be shredded

  • US 8,146,845 B2
  • Filed: 07/27/2009
  • Issued: 04/03/2012
  • Est. Priority Date: 08/06/2008
  • Status: Active Grant
First Claim
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1. The automatic shredder without choosing the number of paper to be shredded, comprising a shredder core and an automatic paper feeding device fixed on the shredder core,wherein the automatic paper feeding device comprises a driving mechanism, a paper support box, a pick-up mechanism and a paper press box covered on the paper support box,wherein the driving mechanism is fixed on the shredder core and connected with the pick-up mechanism for driving the pick-up mechanism,wherein the pick-up mechanism is positioned between the paper press box and the paper support box, and a portion of the pick-up mechanism is fixed to the paper support box to divide the paper support box to be a first zone and a second zone, and its paper feeding direction is towards the second zone,wherein one end of the paper press box is pivoted with the paper support box, the other end of the paper press box is connected detachable with the paper support box, and the paper support box is fixed on the shredder core, andwherein the second zone has a paper inlet positioned above a blade assembly of the shredder core,wherein the pick-up mechanism comprises a paper press axle, an elastic component and a pick-up axle,wherein the paper press axle is mounted in the paper press box,wherein one of the elastic component is positioned in the paper press box and props against the paper press box and the paper press axle respectively, or two ends of the elastic component are connected with the paper press box and the shredder core respectively,wherein the elastic component is for pressing the paper press axle towards the pick-up axle which is fixed and mounted in the paper support box,wherein the paper press axle is adjacent to the pick-up axle, andwherein the driving mechanism is connected with the pick-up axle for driving the pick-up axle.

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