LIFTING DEVICE AND AUTOMATIC HANDLING SYSTEM THEREOF
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Dec 17, 2013
filing date -
Sep 27, 2013
priority date (Note) -
Abandoned
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Abstract
The instant disclosure relates to a lifting device for transporting a wafer carrier to an automatic handling system including a suspension rail and an automatic guiding vehicle configured to move along the suspension rail, comprising an elevating holder, a plurality of suspension modules, and a plurality of first drive modules. Specially, the elevating holder has a motion sensor configured to detect whether the elevating holder is in a horizontal state or a non-horizontal state. The first drive modules can be used to synchronously drive the suspension modules according the horizontal state detected by the motion sensor, and the first drive modules can also be used to individually drive each of the suspension modules according the non-horizontal state detected by the motion sensor to recover the elevating holder from the non-horizontal state as the horizontal state.
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