Vacuum gripping device
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United States of America Patent
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Jun 13, 2017
Grant Date -
Aug 18, 2016
app pub date -
Sep 16, 2014
filing date -
Nov 4, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum gripping device comprising a plurality of suction bodies, each comprising a suction chamber for applying to a workpiece to be gripped, a suction valve is associated with each suction point, wherein each suction valve comprises a vacuum supply side for connection to a vacuum supply device and a suction side connected to the suction chamber of the assigned suction body, wherein the suction valve comprises a valve body, moveable between an open position and a closed position, wherein the valve body is arranged on a flexible control membrane which delimits a control chamber; in such a way that the valve body is moveable from the open position into the closed position using deformation of the control membrane, and wherein a membrane cloth extending across multiple or all suction points is arranged in the gripper housing.
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