Railcar flexible gear coupling and railcar bogie including same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11008024
APP PUB NO 20200182344A1
SERIAL NO

16313535

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Abstract

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A flexible gear coupling includes two external gears and two internal gears meshing with the respective two external gears. A tooth root crowning radius of each external gear is smaller than a tooth tip crowning radius of the external gear. The external gear is formed such that a reference tooth height that is a tooth height at a tooth width direction middle position is smaller than an end tooth height that is a tooth height at a tooth width direction end position. A ratio of the end tooth height to the reference tooth height is set to 1.21 or more, and/or a ratio Rc/Rb of the tooth root crowning radius to the tooth tip crowning radius is set to 0.37 or less.

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Patent Owner(s)

Patent OwnerAddress
KAWASAKI RAILCAR MANUFACTURING CO LTD1-18 WADAYAMA-DORI 2-CHOME HYOGO-KU KOBE-SHI HYOGO 6520884

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Susumu Munakata, JP 26 1390
Nishimura, Takehiro Kobe, JP 65 355
Sato, Yoshi Sanda, JP 38 160

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