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Trimming apparatus and bookbinding apparatus provided with the same

  • US 20100278617A1
  • Filed: 04/30/2010
  • Published: 11/04/2010
  • Est. Priority Date: 05/01/2009
  • Status: Active Grant
First Claim
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1. A sheet bunch trimming apparatus for trimming and cutting a bunch of sheets subjected to bookbinding using an adhesive, comprising:

  • a transport path for feeding a bunch of sheets to a predetermined trimming position;

    a trimming blade disposed in the trimming position;

    a bunch position changing means disposed in the transport path to change a position of the bunch of sheets in the trimming position;

    a blade receiving member disposed opposite to the trimming blade with the bunch of sheets in the transport path therebetween; and

    driving means traveling between a cut position for bringing the trimming blade into contact with the blade receiving member and a spaced waiting position,wherein in the blade receiving member are set first and second, at least two, blade receiving areas with different blade receiving surfaces coming into contact with the trimming blade,while shift means for shifting positions between the first and second blade receiving areas is provided, andcontrol means for controlling the shift means faces the first blade receiving area and second blade receiving area of the blade receiving member selectively to the trimming position corresponding to a trimming side of the bunch of sheets in a position changed by the bunch position changing means.

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