Piston assembly for human-powered vehicle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11572128
APP PUB NO 20210362802A1
SERIAL NO

16877873

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Abstract

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A piston assembly is provided for a human-powered vehicle. The piston assembly includes a main body, a primary seal and a secondary seal. The main body is configured to be movable from a rest position to an actuated position along an actuation direction in a cylinder bore. The primary seal includes a primary seal body arranged on the main body, the primary seal body being made of the first seal material. The secondary seal includes a secondary seal body arranged on the main body at upstream of the primary seal with respect to the actuation direction. The secondary seal body is made of a second seal material that is more elastic than the first seal material.

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Patent Owner(s)

Patent OwnerAddress
SHIMANO INC3-77 OIMATSU-CHO SAKAI OSAKA 590-8577

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Nobuyoshi Osaka, JP 27 210
Komada, Yasuyuki Osaka, JP 56 179
Obuchi, Kohei Osaka, JP 25 81

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