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File folder

  • US 7,448,818 B2
  • Filed: 09/16/2005
  • Issued: 11/11/2008
  • Est. Priority Date: 03/17/2003
  • Status: Expired due to Fees
First Claim
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1. A file folder for fastening a plurality of sheets, each sheet comprising a plurality of holes located next to an edge of the sheet, the file folder comprising:

  • a portfolio comprising a front wall, a rear wall and a spine;

    a fastening assembly for the plurality of sheets, the fastening assembly comprisinga first plate attached to one of the front and rear walls in a position proximal to the spine,a plurality of spaced-apart toothed narrow strips perpendicularly upright from the first plate;

    a second plate comprising a plurality of headers, each of the plurality of headers for mating with a respective one of the plurality of strips for clamping the plurality of sheets between the first and second plate;

    a third plate attached to a respective other of the front and rear walls such that the first and third plate face are disposed on opposite sides of the spine, the third plate comprising a plurality of recesses, each of the plurality of recess for receiving a respective one of the plurality of headers,wherein each of the plurality of headers comprises a plurality of interior teeth, the teeth limiting movement of the strips in one direction to resist loosening pressure on the plurality of sheets and cause unintended tearing of the plurality of sheets; and

    wherein each of the plurality of strips comprise a material permitting each of the plurality of strips to be cut level with the respective header of the second plate.

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