| 摘要 |
An armature (11) of a small DC motor, comprising a rotor installed inside a casing, the rotor having a steel core (9) on which armature windings (10) are wound in a coiled shape, wherein paper insulating members (25, 26) having an electric insulation and containing at least plain paper are bonded to both end surfaces of the steel core (9) at least at a part where the armature windings are wound, whereby the steel core is prevented from coming in direct contact with the armature windings.
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