Abstract: A staple removing device configured to remove a staple from a sheet bundle bound by the staple, the staple removing device includes a support part comprising a placement surface capable of placing the sheet bundle thereon, an insertion part configured to be insertable between the sheet bundle and the staple in a state in which the sheet bundle is supported on the support part, and configured to remove the staple from the sheet bundle by the insertion, and a controller configured to control an operation of the insertion part. The controller is configured to reciprocally move the insertion part multiple times between the sheet bundle and the staple in a process of removing the staple from the sheet bundle.

Abstract: A staple removing device includes an aligning part with which a fold of a booklet stitched by a staple having a crown portion and leg portions and folded along an extension direction of the crown portion is brought into contact, a guide part that guides the fold of the booklet to the aligning part; and a removing part having an operating part that moves in a direction intersecting with the fold of the booklet, to engage with the crown portion of the staple that stitches the booklet.

Abstract: A staple removal device includes: a placement table on which a paper bundle is placed, the paper bundle being bound by a staple and including a first paper surface; a moving portion arranged at a position facing the first paper surface, the moving portion being movable in a direction along the first paper surface and including a wedge plate inclined in a wedge shape toward a tip end thereof; a driving portion configured to move the moving portion toward a crown portion and insert the wedge plate between the crown portion and the first paper surface; and an abutment portion arranged at a position facing the first paper surface, the abutment portion being abutted against the crown portion from a direction opposite to an insertion direction of the wedge plate after the wedge plate is inserted between the crown portion and the first paper surface.

Abstract: A staple removing device includes a device body, a removing part provided in the device body and configured to execute a staple removing operation of removing a staple from a sheet bundle, an accommodation unit detachably mounted to the device body and configured to accommodate the staple removed by the removing part, a count unit configured to count a number of operation times of the staple removing operation, a detection unit configured to detect whether the accommodation unit is attached or detached with respect to the device body, a measurement unit configured to measure an elapsed time after the detection unit detects that the accommodation unit is removed from the device body, and an operation-times reset unit that resets the number of operation times when the elapsed time becomes a predetermined time or longer.

Abstract: A staple removing device includes: a placement part on which a bundle of paper bound with a staple can be placed; a paper pressing part that is configured to be movable toward the bundle of paper, and presses the bundle of paper against the placement part by movement; a removal part that is configured to be insertable between the bundle of paper and the staple, and removes the staple from the bundle of paper by the insertion; a load detecting part that detects an insertion load of the removal part when the removal part is inserted between the bundle of paper and the staple; and a control part that adjusts a pressing force of the paper pressing part based upon the insertion load detected by the load detecting part.

Abstract: A staple removing device includes: a placing table on which a sheet bundle bound by a staple is placed; a removing part located below the placing table configured to remove the staple from the sheet bundle placed on the placing table, and including a tip end portion that can be inserted between the sheet bundle and the staple and is configured to be movable along the placing table between a standby position and a removal position and to be inserted between the sheet bundle and the staple when the tip end portion moves to the removal position; and a first motor configured to move the removing part, wherein the tip end portion moves while maintaining a state of protruding from the placing table via an opening portion at least until passing through the removal position from a front of the removal position.

Abstract: A staple removing device includes a placing table on which a sheet bundle bound by a staple is placed; a removing part including a tip end portion that can be inserted between the sheet bundle and the staple and is configured to be movable along the placing table between a standby position and a removal position and to be inserted between the sheet bundle and the staple when the tip end portion moves to the removal position; a first motor configured to move the removing part; and an accommodation part configured to accommodate the staple removed by the removing part, wherein the first motor is located below the removing part when the tip end portion is at the standby position, and the accommodation part is located below the removing part when the tip end portion is at the removal position.

Abstract: A staple removing device configured to remove a staple of a paper bundle bound by the staple includes a loading portion on which the paper bundle is loaded and a pressing member (120A) configured to press the paper bundle to the loading portion. The pressing member (120A) includes a staple support portion (126) configured to position the staple at a removing position at which the staple abuts against the staple support portion (126).

Abstract: A staple removing device includes a device body, a removing part provided in the device body and configured to execute a staple removing operation of removing a staple from a sheet bundle, an accommodation unit detachably mounted to the device body and configured to accommodate the staple removed by the removing part, a count unit configured to count a number of operation times of the staple removing operation, a detection unit configured to detect whether the accommodation unit is attached or detached with respect to the device body, a measurement unit configured to measure an elapsed time after the detection unit detects that the accommodation unit is removed from the device body, and an operation-times reset unit that resets the number of operation times when the elapsed time becomes a predetermined time or longer.

Abstract: A staple removal device includes: a placement table on which a paper bundle is placed, the paper bundle being bound by a staple and including a first paper surface; a moving portion arranged at a position facing the first paper surface, the moving portion being movable in a direction along the first paper surface and including a wedge plate inclined in a wedge shape toward a tip end thereof; a driving portion configured to move the moving portion toward a crown portion and insert the wedge plate between the crown portion and the first paper surface; and an abutment portion arranged at a position facing the first paper surface, the abutment portion being abutted against the crown portion from a direction opposite to an insertion direction of the wedge plate after the wedge plate is inserted between the crown portion and the first paper surface.

Abstract: A pair of tooth portions has a plurality of convex portions and is arranged to engage with each other when approaching each other. The convex portion of at least one tooth portion of the pair of tooth portions has, on an opposing surface thereof opposing the convex portion of the other tooth portion, an abutting surface abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other and a non-abutting surface not abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other.

Abstract: A staple removing device includes an aligning part with which a fold of a booklet stitched by a staple having a crown portion and leg portions and folded along an extension direction of the crown portion is brought into contact, a guide part that guides the fold of the booklet to the aligning part; and a removing part having an operating part that moves in a direction intersecting with the fold of the booklet, to engage with the crown portion of the staple that stitches the booklet.

Abstract: A staple removing device includes: a placement part on which a bundle of paper bound with a staple can be placed; a paper pressing part that is configured to be movable toward the bundle of paper, and presses the bundle of paper against the placement part by movement; a removal part that is configured to be insertable between the bundle of paper and the staple, and removes the staple from the bundle of paper by the insertion; a load detecting part that detects an insertion load of the removal part when the removal part is inserted between the bundle of paper and the staple; and a control part that adjusts a pressing force of the paper pressing part based upon the insertion load detected by the load detecting part.

Abstract: A bookbinding apparatus includes a sheet aligning unit which stacks and aligns plural sheets having holes formed therein, a binding mechanism which binds the sheets aligned in the sheet aligning unit by conveying a binding component in an axial direction while rotating the binding component in a circumferential direction, a binding component storing unit which stores therein plural binding components; a binding component conveyance path which conveys the binding component from the binding component storing unit to the binding mechanism. The binding component conveyance path forms a curved conveyance path for conveying the binding component with being curved with respect to the axial direction to an end portion of a side of the aligned sheets at which the binding mechanism starts inserting the binding component, at a position that is distant from the end portion by a distance smaller than a length of one binding component.

Abstract: A pair of tooth portions has a plurality of convex portions and is arranged to engage with each other when approaching each other. The convex portion of at least one tooth portion of the pair of tooth portions has, on an opposing surface thereof opposing the convex portion of the other tooth portion, an abutting surface abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other and a non-abutting surface not abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other.

Abstract: A binding component holding sheet is configured to detachably hold a binding component obtained by spirally winding a wire rod and includes a holder configured to hold the binding component by insertion of a circumferential portion of the spirally wound binding component. The holder is configured to hold the binding component so that an area greater than a half of the binding component in a circumferential direction protrudes to one side of the binding component holding sheet and an area less than the half of the binding component in the circumferential direction protrudes to the other side of the binding component holding sheet.

Abstract: A staple removing device configured to remove a staple of a paper bundle bound by the staple includes a loading portion on which the paper bundle is loaded and a pressing member (120A) configured to press the paper bundle to the loading portion. The pressing member (120A) includes a staple support portion (126) configured to position the staple at a removing position by allowing the staple to abut against the staple support portion (126).

Abstract: A binding component holding sheet is configured to detachably hold a binding component obtained by spirally winding a wire rod and includes a holder configured to hold the binding component by insertion of a circumferential portion of the spirally wound binding component. The holder is configured to hold the binding component so that an area greater than a half of the binding component in a circumferential direction protrudes to one side of the binding component holding sheet and an area less than the half of the binding component in the circumferential direction protrudes to the other side of the binding component holding sheet.

Abstract: A bookbinding apparatus includes a sheet aligning unit which stacks and aligns plural sheets having holes formed therein, a binding mechanism which binds the sheets aligned in the sheet aligning unit by conveying a binding component in an axial direction while rotating the binding component in a circumferential direction, a binding component storing unit which stores therein plural binding components; a binding component conveyance path which conveys the binding component from the binding component storing unit to the binding mechanism. The binding component conveyance path forms a curved conveyance path for conveying the binding component with being curved with respect to the axial direction to an end portion of a side of the aligned sheets at which the binding mechanism starts inserting the binding component, at a position that is distant from the end portion by a distance smaller than a length of one binding component.

Abstract: A stapler 1 is provided with a cutter unit 12 for cutting a leading end portion of a staple leg projected to a back face side of sheets. A staple cartridge 20 containing a number of staples is formed with a chip containing portion 23 for containing a chip of the staple leg. The chip of the staple leg cut by the cutter unit 12 is guided into the chip containing portion 23 of the staple cartridge 20 by a chute 22 formed on the cutter unit 12. The chip of the staple leg is collected in the staple cartridge 20.