Patent ID: 6371481
Filing Date: 2002-04-16
Classification: B41J,B65H,G03G

Abstract:
A mechanism for reversing and discharging a sheet, comprising:an inlet section which includes a means for conveying the sheet in a first sheet conveyance direction; an outlet section, located at an end of a sheet conveyance path, said outlet section including a means for discharging the sheet to an outlet port in a second sheet conveyance direction, said second sheet conveyance direction and said first sheet conveyance direction being substantially the same direction; and a reversing section located between said inlet section and said outlet section, wherein said reversing section includes: a first roller for conveying the sheet; a second roller for nipping the sheet with said first roller; a first drive source for driving said first roller in a forward direction to convey a printed sheet in said first sheet conveyance direction until a trailing edge portion of said sheet arrives at a predetermined position from said first roller, and then driving said first roller in a reverse direction opposite to said forward direction; and a second drive source for driving said second roller to move back and forth on the circumference of said first roller over a predetermined angular range, said second drive source driving, when said first roller is rotated in said reverse direction, said second roller to move over the predetermined angular range in said reverse direction of said first roller at a same angular velocity as said first roller.