Patent ID: 7401776
Filing Date: 2008-07-22
Classification: B65H

Abstract:
1. A sheet conveyance apparatus, comprising: a sheet conveyance unit which conveys a sheet; a moving unit which moves said sheet conveyance unit with nipping the sheet in a direction intersecting with a sheet conveyance direction; a controller which determines a moving amount and moving speed of said sheet conveyance unit; and a pair of conveyance rotary members which is arranged on a downstream side of said sheet conveyance unit in a sheet conveying direction, said pair of conveyance rotary members being contactable with and being separable from each other, wherein said controller controls the moving speed of said sheet conveyance unit according to the moving amount of said sheet conveyance unit so that a moving speed of the sheet conveyance unit for a large moving amount is greater than a moving speed of the sheet conveyance unit for a small moving amount, and wherein when a length of the conveyed sheet in the sheet conveying direction is longer than a predetermined length, said controller separates said pair of conveyance rotary members.