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Sheet bundle folding apparatus with movable push-in member

  • US 6,276,677 B1
  • Filed: 12/18/1998
  • Issued: 08/21/2001
  • Est. Priority Date: 12/27/1997
  • Status: Expired due to Term
First Claim
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1. A sheet bundle folding apparatus comprising:

  • fixed folding member positionally fixed at a predetermined position;

    a movable folding member separably contactable with said fixed folding member; and

    a sheet bundle push-in member movable toward an area between said fixed folding member and said movable folding member to push a bundle of sheet into the area between said fixed folding member and said movable folding member;

    wherein said sheet bundle push-in member is capable of moving in a sheet folding direction along a guide groove via a sliding member, wherein said sheet bundle push-in member is capable of moving also in a retracting direction of said movable folding member by providing an allowance between said sliding member and said guide groove, wherein said sheet bundle push-in member follows a folding position of the bundle of sheet pushed into an area between said fixed folding member and said movable folding member by said sheet bundle push-in member, and wherein said sliding member includes two members provided along the sheet folding direction, and wherein one member of said two members has a width smaller than a width of said guide groove and the other member has a width substantially equal to the width of said guide groove.

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