FLAT-ARTICLE FEED DEVICE WITH A SYNCHRONIZER HAVING A PLURALITY OF MOTOR DRIVES
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United States of America Patent
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Issued Date -
Feb 24, 2011
app pub date -
Apr 6, 2010
filing date -
Apr 9, 2009
priority date (Note) -
Abandoned
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Abstract
A flat-article feed device comprising an unstacker device (4), a conveyor (5) on which the unstacked articles in series and on edge are moved with constant pitch, and a synchronization device (6) interposed between the unstacker device and the conveyor so as to compensate for variations in pitch between consecutive articles. The unstacker device (4) is servo-controlled to unstack a current article in response to a signal indicating detection of the passage of another unstacked article preceding said current article downstream from the unstacker. The synchronization device (6) is arranged to move a plurality of articles at the same time in series and on edge with different respective speed profiles in order to compensate for variations in pitch.
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