Bicycle hydraulic operating device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9937978
SERIAL NO

15183321

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A bicycle hydraulic operating device is basically provided with a base member, a piston, an operating member and a hydraulic reservoir. The base member includes a cylinder bore. The piston is movably disposed in the cylinder bore. The operating member coupled to the piston to move the piston within the cylinder bore. The hydraulic reservoir includes a hydraulic reservoir tank and a reservoir lid. The hydraulic reservoir tank is fluidly connected to the cylinder bore. The reservoir lid closes a tank opening of the hydraulic reservoir tank. The tank opening defines an opening cross sectional area. The hydraulic reservoir tank defines a tank cross sectional area parallel to the opening cross sectional area. The opening cross sectional area of the tank opening is smaller than the tank cross sectional area of the hydraulic reservoir tank.

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Patent Owner(s)

Patent OwnerAddress
SHIMANO INCOSAKA JAPAN OSAKA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miki, Yoshimitsu Osaka, JP 96 928
Nishino, Takafumi Osaka, JP 63 423

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