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DIFFERENTIAL JAM PROOF SENSOR FOR A SHREDDER

  • US 20110290924A1
  • Filed: 05/28/2010
  • Published: 12/01/2011
  • Est. Priority Date: 05/28/2010
  • Status: Active Grant
First Claim
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1. A shredder comprising:

  • a housing having a throat for receiving at least one article to be shredded, the throat having a first side and a second side and the at least one article being received therebetween;

    a shredder mechanism received in the housing and including an electrically powered motor and cutter elements, the shredder mechanism enabling the at least one article to be shredded to be fed into the cutter elements and the motor being operable to drive the cutter elements in a shredding direction so that the cutter elements shred the articles fed therein;

    a detector for use in controlling operation of the motor comprising a first contact member on the first side of the throat and a second contact member on the second side of the throat;

    the first contact member and the second contact member each extending into the throat and being independently moveable relative to one another by a thickness of the at least one article.

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