US Patent 7954737 Shredder thickness with anti-jitter feature
Patent 7954737 was granted and assigned to Fellowes on June, 2011 by the United States Patent and Trademark Office.
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A shredder includes a housing having a throat for receiving at least one article to be shredded, and a shredder mechanism received in the housing and including an electrically powered motor and cutter elements. The shredder also includes a detector that is configured to detect a thickness of the at least one article being received by the throat, and a controller that is configured to operate the motor to drive the cutter elements to shred the at least one article and to set a flutter threshold higher than the predetermined maximum thickness threshold, if the detected thickness is less than a predetermined maximum thickness threshold. The controller is also configured to thereafter continuously detect the thickness of the at least one article being inserted into a throat of the shredder; and to perform a predetermined operation responsive to the thickness detector detecting that the thickness of the at least one article is greater than the flutter threshold.
US Patent 07954737 Shredder thickness with anti-jitter feature US Patent 7954737 Shredder thickness with anti-jitter feature
US Patent 07954737 Shredder thickness with anti-jitter feature
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