Apparatus and method for aligning sheet stacks and sheet processing machine having the apparatus
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United States of America Patent
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Feb 9, 2010
Grant Date -
Jul 17, 2008
app pub date -
Jan 15, 2008
filing date -
Jan 15, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for aligning sheet stacks in a feeder of sheet processing machines includes a motor-driven aligning plate and a movement converter situated between a motor drive and the aligning plate. The movement converter forces a movement describing approximately a circular path onto the aligning plate. A vertical speed component of the aligning plate during aligning corresponds to an upward speed of a feeder stack. A method for aligning sheet stacks in a feeder of a sheet processing machine as well as a sheet processing machine, are also provided.
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