Rotary body driving apparatus
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United States of America Patent
Stats
-
Jan 31, 2017
Grant Date -
Dec 31, 2015
app pub date -
Jun 29, 2015
filing date -
Jun 30, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The rotary body driving apparatus for rotating a rotary body comprises: a rotor shaft, to which the rotary body and a rotor are attached, being rotatably held by a bearing section; a rotor magnet being attached to the rotor and partially exposed as a position detecting magnet; a first positioning section being formed in the rotor, the first positioning section corresponding to the position detecting magnet; and a second positioning section corresponding to a reference surface of the rotary body. The rotary body is attached to the rotor in a state where the first positioning section and the second positioning section are aligned so as to make circumferential positions of the reference surface and the position detecting magnet correspond to each other.
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