Sheet processing apparatus having reversing swing arm shaft pregripper
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United States of America Patent
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Sep 1, 2015
Grant Date -
Oct 24, 2013
app pub date -
Apr 23, 2013
filing date -
Apr 24, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A sheet processing apparatus including a sheet supply device, a first cylinder which includes at least one gripper device, a processing device, a sheet discharge device, and conveyance devices. The conveyance devices include a plurality of gripper devices including at least one reversing gripper device. The conveyance devices also include a second cylinder and reversing swing arm shaft pregripper. The second cylinder grips and conveys one edge of the sheet by one gripper device of the plurality of gripper devices. The reversing swing arm shaft pregripper is supported to be swingable between the first cylinder and the second cylinder, receives by the reversing gripper device the other edge of the sheet conveyed by the second cylinder, and transfers the received other edge of the sheet to the gripper device of the first cylinder by a gripping change.
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