Angular motor shaft with rotational attenuation
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Aug 12, 2015
filing date -
Aug 12, 2015
priority date (Note) -
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Abstract
A linear actuator assembly has a linear actuator including a motor shaft extending from a base with a piezoelectric component oscillate the shaft. The shaft has a faceted surface. A movable carriage has a notch with at least one flat surface that receives the shaft of the linear actuator. The carriage is in direct and continuous contact with the motor shaft at the notch such that the motor shaft's facet is in contact with the flat surface of the notch, when the carriage moves linearly along a travel axis. A spring is coupled to the carriage to urge the motor shaft into contact with the notch of the carriage so as to maintain contact between the motor shaft facet and the flat surface of the notch to inhibit rotation of the motor shaft.
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