Gripper assembly for tray sealing machine
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United States of America Patent
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-
Aug 14, 2012
Grant Date -
Dec 10, 2009
app pub date -
Mar 15, 2007
filing date -
Mar 17, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A gripper assembly for a tray sealing machine. The gripper assembly includes a carriage movable between extended and retracted positions; at least one gripper arm attached to the carriage and movable between gripping and releasing positions; and first and second independently operable drives separate from the carriage but coupled thereto via respective first and second drive train assemblies. The first drive train assembly is adapted to move the carriage between the first and second positions in response to the operation of the first drive, and the second drive train assembly is further adapted to cause the at least one gripper arm to move between the open and closed positions in response to operation of the first and second drives at differing speeds.
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