COMPLEX REDUCTION MECHANISM OF LINEAR ACTUATOR
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United States of America Patent
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Issued Date -
Sep 29, 2011
app pub date -
Mar 27, 2010
filing date -
Mar 27, 2010
priority date (Note) -
Abandoned
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Abstract
A complex reduction mechanism of linear actuator includes a primary reducing unit and a secondary reducing unit arranged in an axial direction of the primary output shaft. The primary reducing unit includes a primary input shaft, a primary output shaft and a primary reducing set. The primary input shaft is rotationally drivingly coupled with a power output shaft of the power source for transmitting rotational power to the primary reducing set. The primary reducing set reduces the rotational speed and transmits the rotational power to the primary output shaft, which transmits the rotational power outward at lower rotational speed. The secondary reducing unit includes a secondary reducing set and a secondary output section. The secondary reducing set serves to reduce the rotational speed output from the primary output shaft and transmit the rotational power to the secondary output section for driving the actuation shaft to linearly axially reciprocally move.
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