Patent ID: 6601501
Filing Date: 2003-08-05
Classification: B41F

Abstract:
A paper discharging apparatus provided in a screen printing machine, wherein the screen printing machine includes a rotatable printing cylinder for guiding a printed sheet of paper to one of a first discharging position and a second discharging position, the paper discharging apparatus comprising:a first gripper unit for receiving the sheet at a predetermined holding position and transferring the sheet to the first discharging position; a first holding portion defined in the first gripper unit for holding the sheet; a second gripper unit for receiving the sheet at the holding position and transferring the sheet to the second discharging position, wherein the second gripper unit is adjacent to the first gripper unit at the holding position; and a second holding portion defined in the second gripper unit for holding the sheet, wherein the position of the second holding portion is selectively shifted between a first position and a second position relative to the second gripper unit, the second holding portion being allowed to hold the sheet when the second holding portion is in the first position, and the first holding portion being allowed to hold the sheet when the second holding portion is in the second position.