Rotating member and forming method thereof

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United States of America

PATENT NO 12013021
SERIAL NO

16986565

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Importance

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Abstract

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To provide a rotating member and a forming method thereof that allow formation of protrusions biting into an opposite surface to achieve high slip torque with a simple configuration. The rotating member includes a boss part and an anti-slip surface at least on one of both axial end faces of the boss part. The anti-slip surface has a plurality of corrugated rib parts, which includes a main groove and at least one auxiliary groove extending parallel to the main groove, with a ridge protruding higher than the anti-slip surface between the main groove and the auxiliary groove.

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Patent Owner(s)

Patent OwnerAddress
TSUBAKIMOTO CHAIN COOSAKA 530-0005

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takagi, Yudai Osaka, JP 12 54
Yoshida, Osamu Osaka, JP 242 2213

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