Patent ID: 8251359
Filing Date: 2012-08-28
Classification: B65H

Abstract:
1. A spine formation device for forming a spine of a bundle of folded sheets, the spine formation device comprising: a sheet conveyer to convey the bundle of folded sheets, with a folded portion of the bundle forming a front end portion of the bundle; a clamping unit disposed downstream from the sheet conveyer in a sheet conveyance direction in which the bundle of folded sheets is transported, for squeezing the folded portion of the bundle in a direction of thickness of the bundle, the clamping unit including: a contact member disposed downstream from the clamping unit in the sheet conveyance direction and including a flat contact surface against which the folded portion of the bundle is pressed; an elevation unit to move the contact member in the direction perpendicular to the sheet conveyance direction; and a controller operatively connected to the sheet conveyer, the clamping unit, and the elevation unit.