Actuator
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United States of America Patent
Stats
-
Nov 3, 1998
Grant Date -
N/A
app pub date -
Dec 15, 1995
filing date -
Dec 15, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An actuator is designed such that the output shaft of an AC servo motor is rotatably supported on both sides thereof by respective bearing means. This output shaft, the rotor of the AC servo motor, secured to the output shaft, and both bearing means of the AC servo motor can be pulled out together as a unit from inside of the stator of the AC servo motor during disassembly. Another actuator is designed such that the output shaft of an AC servo motor is rotatably supported on both sides thereof by respective bearing means, loads to be respectively applied to the bearing means are transmitted to a housing disposed around the AC servo motor without going through the stator of the AC servo motor, one of the bearing means is fixed in its axial direction and the other bearing means has axial play in its axial direction.
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