Sheet binding device and sheet binding method
AssigneesKabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
InventorKikuo Mizutani
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Abstract
A sheet binding device includes a sheet shifting unit, a tape cutter, and a tape attachment unit. The sheet shifting unit has a guide and is configured to stack multiple sheets on the guide with edge portions that are shifted from each other to form a sheet bundle. The tape cutter cuts tape with a target length that is varied in accordance with a thickness of the sheet bundle. The tape attachment unit is configured to attach the cut tape having the target length to an edge portion of the sheet bundle.
Claims20
A device for binding sheets comprising:
- a guide;
- a sheet shifting unit having a first roller and a second roller, outer peripheral surfaces of the first and second roller being positionable to convey a sheet bundle to be bound therebetween, wherein hardnesses of the outer peripheral surfaces of the first and second rollers are different, and the first and second rollers are configured to convey a plurality of sheets of the sheet bundle stacked on the guide such that edge portions of the plurality of sheets are shifted from each other in a sheet conveying direction by the sheet shifting unit;
- and
- a tape cutter configured to cut a tape with a target length that is varied in accordance with a thickness of the sheet bundle.
A method for binding a plurality of sheets comprising:
- stacking a plurality of sheets on a guide;
- conveying the plurality of sheets with outer peripheral surfaces of a first roller and a second roller, wherein hardnesses of the outer peripheral surfaces of the first and second rollers are different, such that edge portions of the plurality of sheets are shifted from each other in a sheet conveying direction;
- and
- cutting a tape with a target length that is varied in accordance with a thickness of the plurality of sheets.
Dependencies are inferred from the claim text.