Method for mounting detection mechanism of planetary gear apparatus
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United States of America Patent
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N/A
Issued Date -
Jun 7, 2007
app pub date -
Oct 17, 2006
filing date -
Dec 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rotation actuator comprises a motor and a planetary reduction gear device, and an internal gear of the planetary reduction gear device has an internal gear formation portion in which internal teeth are formed, a thin cylindrical portion, and an annular flange fixed to a device housing. An external peripheral surface portion of the cylindrical portion is used as a location for attaching a strain gauge, and a space on the inner side of the cylindrical portion is used as a location for mounting an angle detector for an input shaft. By concentrically arranging the strain gauge and angle detector, a rotation actuator that has a short axial length and is provided with the two types of detection mechanisms can be achieved.
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