Differential impulse conveyor with improved drive
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United States of America Patent
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Nov 29, 2011
Grant Date -
Oct 6, 2011
app pub date -
Apr 6, 2010
filing date -
Apr 6, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A differential impulse conveyor (10) includes a tray (12) laterally moveable in a forward direction at a first speed and in a backward direction at a second speed greater than the first speed, thereby moving goods along the tray. A plurality of legs (18, 20) support the tray during lateral movement, and a motor (30) powers a drive pulley (30). A driven pulley (36) is powered by the drive pulley, and a flexible member (34) interconnects the driven pulley and the drive pulley. At least the driven pulley has an eccentric pulley axis, thereby imparting lateral movement to the tray. A tension mechanism (38, 40) is provided to take up slack in the flexible member.
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