Patent ID: 8668199

Claim:
A sheet conveyance apparatus comprising: a conveyance roller pair configured to be movable in a widthwise direction orthogonal to a sheet conveyance direction while conveying sheets in a state in which an upstream end portion in the sheet conveyance direction of a preceding sheet and a downstream end portion in the sheet conveyance direction of a following sheet overlap each other; a movement mechanism configured to reciprocate the conveyance roller pair in the widthwise direction; a detection unit provided upstream in the sheet conveyance direction of the conveyance roller pair and configured to detect an overlapping portion where the upstream end portion in the sheet conveyance direction of the preceding sheet and the downstream end portion in the sheet conveyance direction of the following sheet overlap each other; and a control unit configured to control the movement mechanism so as to move the conveyance roller pair in the widthwise direction in a case where it is determined that the sheet overlapping portion has reached the conveyance roller pair based on detection by the detection unit.