Rotating load bearer
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United States of America Patent
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Mar 22, 2016
Grant Date -
Mar 14, 2013
app pub date -
May 28, 2010
filing date -
May 28, 2010
priority date (Note) -
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Abstract
An electromechanical rotating actuator arrangement (10) includes a stator (20), a rotor (30), a guide arrangement (50) and an object (40) to be moved. The stator (20) has electromechanically active actuators (22), exhibiting shape changes upon excitation, rigidly attached to a common stator block (24). The rotor (30) has a planar drive surface (32). The electromechanically active actuators (22) have a respective driving surface (26), situated in a common plane (27) parallel to the drive surface (32), for mechanical interaction with the drive surface (32) of the rotor (30). The object (40) to be moved is attached to the rotor (30), giving a rigid mechanical connection between the object (40) and the drive surface (32). The guide arrangement (50) is arranged for restricting translational motions of the rotor (30) perpendicular to the rotation axis (12). A method for driving an electromechanical rotating actuator arrangement (10) is also disclosed.
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