Motor with cup-shaped rotor having cylindrical portions of different diameter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 24, 1990
Grant Date -
N/A
app pub date -
Jun 22, 1989
filing date -
Jul 16, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Motor structure having a shaft supported on a frame rotatably by bearings, a core arranged outside of the shaft, a cup-shaped rotor arranged outside of the core, and a magnet fitted to the rotor, the rotor having a rotor body integrally incorporated with the above-mentioned shaft, and the rotor body having an opened end part from which a magnet mounting section is bulged out, whereby the above-mentioned magnet is fitted to the magnet mounting section, facing the shaft.
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