COUPLING DEVICE

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United States of America Patent

APP PUB NO 20200191207A1
SERIAL NO

16629257

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A coupling device according to the present invention includes: a first coupling member having first teeth on a disk surface; a second coupling member having second teeth on the disk surface; and a fastening member fastening the first coupling member and the second coupling member at central portions. A reference surface is a surface parallel to the disk surface. A tooth surface angle is an acute angle formed between a tangent line of the meshing tooth surface and a reference surface at a point C on an intersection line between the reference surface and the meshing tooth surface of the first tooth and the second tooth, in a cross section perpendicular to a radial direction of the first coupling member. Tooth surface angles α and β of the first tooth change along the radial direction of the first coupling member.

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Patent Owner(s)

Patent OwnerAddress
HITACHI ASTEMO LTD2520 TAKABA HITACHINAKA-SHI IBARAKI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HASHIMOTO, Hiroaki Tokyo, JP 64 339
IKEGUCHI, Kenburaian Hitachinaka-shi, JP 1 1
KAWASHITA, Michihiro Tokyo, JP 11 374
ONIGATA, Junichiro Hitachinaka-shi, JP 15 123

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