Stepping motor with rotor-positioning magnet
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United States of America Patent
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-
Aug 2, 1983
Grant Date -
N/A
app pub date -
Dec 7, 1981
filing date -
Dec 9, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ring (16) of non-magnetic material is engaged in the opening bounded by the pole shoes (6,7) of a pole plate (5), between the pole shoes and the rotor (12). A magnet (18) serving to define the position of rest of the rotor is mounted on this ring, which can be accurately positioned by means of a slot (11) provided in the pole plate.
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