Apparatus for sheet feeding for use in printing machine.

摘要

The present invention, whose auto sheet feeder (17) is demountably mounted on a printing machine (1), which includes a sequential arrangement of a reversible motor (3), a transmission mechanism (10), and a rotatable platen (4), is provided with an input gear (44), an arm (46, 47) whose one end is supported by the input gear (44) for rotation around its axis of rotation and is urged to move toward a gear (16) of the transmission mechanism, and a planetary gear (48,49) rotatably provided at the end of the arm (46,47) to be constantly in mesh with the input gear (44) and opposite to the periphery of the gear (16) of the transmission mechanism