LONGITUDINAL MOTION ACTUATOR
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United States of America Patent
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N/A
Issued Date -
Jan 17, 2008
app pub date -
Jul 10, 2007
filing date -
Jul 11, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a longitudinal motion actuator, one pinion is fixed to a motor output shaft, and a plurality of transmission mechanisms having the same configuration are provided. Each of transmission mechanisms is configured so that both ends of a lead screw to which a gear engaging with the pinion is fixed are rotatably supported by bearings. A movable nut provided with a plurality of threaded holes engaging with thread grooves in the lead screws of the plurality of transmission mechanisms is provided, and when the motor is rotated, the lead screws are rotated in the same direction via the pinion and the gear, by which the movable nut is driven longitudinally.
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