ELECTROMAGNETIC CLUTCH, RING HOLDING MEMBER, AND METHOD OF MANUFACTURING THE RING HOLDING MEMBER

WIPO Patent Application WO/2010/001753

A1

An electromagnetic clutch is reduced in size in the direction of the rotation axis thereof.  The electromagnetic clutch comprises a drive gear adapted to be rotationally driven by a motor, a rotor provided so as to be rotatable about the same rotation axis as the drive gear and having an electromagnetic coil provided on one end side of the rotor in the rotation axis direction, an armature mounted between the drive gear and the rotor so as to be rotatable together with the drive gear and attracted to the rotor when electricity is conducted through the electromagnetic coil, a clutch case having provided therein the drive gear, the rotor, and the armature, a pair of slip rings having different radii and mounted coaxial with the rotating shaft to either that portion of the rotor which is on the clutch case side and on the side opposite the armature or that portion of the clutch case which is on the rotor side, and a pair of brush members provided to the other and respectively making contact radially with the pair of slip rings.

ISHIDA Toshihiko (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)
石田俊彦 (〒50 愛知県刈谷市朝日町二丁目一番地　アイシン精機株式会社内 Aichi, 〒4488650, JP)

JP2009/061319

January 07, 2010

June 22, 2009

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AISIN SEIKI KABUSHIKI KAISHA (1 Asahi-machi 2-chome, Kariya-shi Aichi, 50, 〒4488650, JP)
アイシン精機株式会社 (〒50 愛知県刈谷市朝日町二丁目一番地 Aichi, 〒4488650, JP)
ISHIDA Toshihiko (1 Asahi-machi 2-chome, Kariya-sh, Aichi 50, 〒4488650, JP)

F16D27/02; F16D27/06

KITAMURA Shuichiro (3-3 Nakanoshima 3-chome, Kita-ku Osaka-sh, Osaka 05, 〒5300005, JP)

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