A sheet processing apparatus includes a first holding unit configured to hold one or more sheets and movable in a sheet transport direction, a first drive unit configured to move the first holding unit in a first direction along the sheet transport direction, a biasing member that biases the first holding unit in a second direction opposite to the first direction, and an energy storage unit that stores energy discharged from the biasing member.

A sheet processing apparatus includes a first holding unit configured to hold one or more sheets and movable in a sheet transport direction, a first drive unit configured to move the first holding unit in a first direction along the sheet transport direction, a biasing member that biases the first holding unit in a second direction opposite to the first direction, and an energy storage unit that stores energy discharged from the biasing member.

Automatic unwinder of flexible materials comprising feeding means for feeding the operating machine with at least a flexible material, defining a mouth, susceptible of being traversed in the advancement direction of the material, and at least a slide guide, extended between a first end, in proximity to the mandrels, and a second end, in proximity to the mouth, and a rack, at which portions of flexible materials can be retained. The automatic unwinder further comprises at least a carriage, provided with a retention gripper, and movement means in order to move the carriage along at least a slide guide between a grip position, in which the carriage is at the first end and the gripper is susceptible of grippingly receive a free flap of the flexible material, and a release position, in which the carriage is at the second end to release the free flap at the rack.

A sheet processing apparatus includes a first holding unit configured to hold one or more sheets and movable in a sheet transport direction, a first drive unit configured to move the first holding unit in a first direction along the sheet transport direction, a biasing member that biases the first holding unit in a second direction opposite to the first direction, and an energy storage unit that stores energy discharged from the biasing member.

A sheet processing apparatus includes a first holding unit configured to hold one or more sheets and movable in a sheet transport direction, a first drive unit configured to move the first holding unit in a first direction along the sheet transport direction, a biasing member that biases the first holding unit in a second direction opposite to the first direction, and an energy storage unit that stores energy discharged from the biasing member.

Provided is a print medium finishing apparatus including a print medium stacking plate; a stacker tray; and a print medium discharging apparatus configured to discharge, to the stacker tray, print media on the print medium stacking plate, wherein the print medium discharging apparatus includes at least one driving gear that is rotatable; a moving member configured to move linearly and curvilinearly with respect to the at least one driving gear and including a motion converting gear configured to engage the at least one driving gear and convert rotation of the at least one driving gear into a linear motion and a curvilinear motion; and a grip member configured to be moved linearly and curvilinearly by the moving member while holding the print media on the print medium stacking plate, and to place the print media on the stacker tray.

Provided is a print medium finishing apparatus including a print medium stacking plate; a stacker tray; and a print medium discharging apparatus configured to discharge, to the stacker tray, print media on the print medium stacking plate, wherein the print medium discharging apparatus includes at least one driving gear that is rotatable; a moving member configured to move linearly and curvilinearly with respect to the at least one driving gear and including a motion converting gear configured to engage the at least one driving gear and convert rotation of the at least one driving gear into a linear motion and a curvilinear motion; and a grip member configured to be moved linearly and curvilinearly by the moving member while holding the print media on the print medium stacking plate, and to place the print media on the stacker tray.

A sheet loading apparatus for carrying a sheet loaded in a first tray to a second tray includes: a grip portion configured to grip the sheet; a sliding portion configured to move the grip portion between a sheet gripping position and a sheet release position; a lift portion configured to move the grip portion and cause the grip portion to emerge from the sheet loading surface; and a common power transmission portion configured to transmit power to both the sliding portion and the lift portion, wherein in one cycle, after the sliding portion moves the grip portion to a downstream side, the lift portion moves the grip portion downward of the sheet loading surface to cause the grip portion to reach the release position, and after the sliding portion moves the grip portion to the upstream side, the lift portion moves the grip portion to the gripping position.

A sheet loading apparatus for carrying a sheet loaded in a first tray to a second tray includes: a grip portion configured to grip the sheet; a sliding portion configured to move the grip portion between a sheet gripping position and a sheet release position; a lift portion configured to move the grip portion and cause the grip portion to emerge from the sheet loading surface; and a common power transmission portion configured to transmit power to both the sliding portion and the lift portion, wherein in one cycle, after the sliding portion moves the grip portion to a downstream side, the lift portion moves the grip portion downward of the sheet loading surface to cause the grip portion to reach the release position, and after the sliding portion moves the grip portion to the upstream side, the lift portion moves the grip portion to the gripping position.