Elevator assembly for robotic positioning of a workpiece
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United States of America Patent
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Nov 13, 2012
Grant Date -
May 6, 2010
app pub date -
Nov 3, 2008
filing date -
Nov 3, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An elevator assembly includes a carrier, a first arm, and a second arm. Each arm has a primary portion pivotally connected to the carrier and a secondary portion pivotally connected to the primary portion. A first gear system interconnects the first arm and the second arm for synchronous rotation with respect to the carrier in opposite directions. A pair of second gear systems establish a geared relationship between the secondary portions of the arms and the carrier. A support member is connected to the secondary portions of the arms, wherein rotation of the primary portions of the arms with respect to the carrier drives the support member between a neutral position and at least a first extended position.
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