Actuator and method of manufacturing thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 29, 1991
Grant Date -
N/A
app pub date -
Jan 27, 1989
filing date -
Jul 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An actuator rotatable about a support shaft rectilinearly movable along axis of a shaft and rotatably movable about the shaft includes a cylindrical magnet extending about the shaft. The cylindrical magnet has a plurality of poles in the radial direction and magnetized boundaries between poles of opposite polarity extending in a circumferential direction of the magnet and extending in an axial direction of the magnet. A plurality of yokes are provided to define magnetic poles coupled in facing relationship with the magnetic boundaries of a cylindrical magnet and having coils coupled thereto to define the magnetic poles.
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