Eccentric oscillation gear device, robot, industrial machine and method of assembling eccentric oscillation gear device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12172306
APP PUB NO 20230249335A1
SERIAL NO

18081216

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Abstract

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An eccentric oscillation gear device includes a casing, a first member supported by the casing via a first bearing, a second member supported by the casing via a second bearing, and a fastening portion fastening the first and second members in an axial direction of the casing. The fastening portion includes an internally threaded portion formed in the first member, and a fastener having an externally threaded portion. The fastener has a Rockwell hardness (HRC) of 44 or higher, and the internally threaded portion has a lower hardness than the fastener.

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Patent Owner(s)

Patent OwnerAddress
NABTESCO CORPORATION7-9 HIRAKAWA-CHO 2-CHOME CHIYODA-KU TOKYO 102-0093

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagane, Mamoru Tokyo, JP 2 0
Kumagai, Takahide Tokyo, JP 4 2
Makizoe, Yoshiaki Tokyo, JP 7 10
Nakashima, Yusuke Tokyo, JP 77 259

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