Electric actuator and gear mechanism
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Feb 1, 2016
filing date -
Feb 3, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electric actuator to be mounted on an object having a stationary section and a movable section is provided. The electric actuator is configured to actuate the movable section of the object. The electric actuator is provided with a case fixedly attached to the stationary section, and includes a gear mechanism provided in the case. The gear mechanism includes a rotational member rotatable about a common axis and connected with a first motor, an internal gear formed in the rotational member, a sun gear rotatable about the common axis and connected with a second motor, and a planetary gear provided between the internal gear and the sun gear. The planetary gear is connected with an output section for actuating the movable section of the object. The rotational member is rotatably supported a bearing provided between an inner surface of the case and an outer surface of the rotational member.
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