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Sheet finisher having an angularly movable stapler and image forming system including the same

  • US 7,207,556 B2
  • Filed: 03/25/2003
  • Issued: 04/24/2007
  • Est. Priority Date: 03/25/2002
  • Status: Expired due to Fees
First Claim
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1. A sheet finisher for executing preselected processing with a sheet introduced into said sheet finisher and then discharging said sheet, said sheet finisher comprising:

  • stacking means for temporarily stacking sheets sequentially delivered thereto;

    jogging means for jogging the sheets within said stacking means;

    stapling means for stapling a sheet stack jogged in said stacking means;

    a guide shaft supporting said stapling means such that said stapling means is movable along said guide shaft in a direction perpendicular to a direction of sheet conveyance and angularly pivots about a single axis, said single axis being an axis of said guide shaft; and

    moving means for moving said stapling means along said guide shaft in the direction perpendicular to the direction of sheet conveyance, said moving means includes cam means for controllably regulating movement of said stapling means, said cam means being fixedly mounted on a body of said sheet finisher,wherein said stapling means angularly pivots about the axis of said guide shaft by means of said cam means as said stapling means moves along said guide shaft.

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