Patent ID: 9650221
Date: 2017-05-16
CPC Classifications: B65H

Claim:
1. A conveyor comprising: a drive motor; a conveyor roller unit including a conveyor roller; a transmission mechanism configured to transmit a driving force from the drive motor to the conveyor roller; a driven roller unit including a driven roller which opposes the conveyor roller and is configured to convey a sheet while holding the sheet with the conveyor roller; a supporting member which supports the conveyor roller unit and the driven roller unit to allow the conveyor roller unit and the driven roller unit to take a conveyance position where the conveyor roller and the driven roller convey the sheet while holding the sheet or a retracted position where a holding force by which the sheet is held by the conveyor roller and the driven roller is smaller than a holding force in the conveyance position; and a movable member which is engaged with at least the conveyor roller unit among the conveyor roller unit and the driven roller unit and is movable between a first position where the conveyor roller and the driven roller take the conveyance position and a second position where the conveyor roller and the driven roller take the retracted position, wherein: when the movable member is at the second position and the conveyor roller is rotated in one direction, the conveyor roller engages the movable member to move the movable member from the second position to the first position by the driving force of the conveyor roller; when the movable member is at the first position and the conveyor roller is rotated in a direction opposite the one direction, the conveyor roller does not engage the movable member so that the movable member is retained at the first position.