Crank arm for crank assembly of human powered vehicle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11505277
SERIAL NO

17568689

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A crank arm comprises an arm body, an axle fastener, and a biasing element. The arm body includes a crank-axle receiving opening and an axle-fastener receiving opening. The axle-fastener receiving opening has a second opening axis. The axle-fastener receiving opening is partly in communication with the crank-axle receiving opening by a connection opening. The axle fastener includes a fastener body having a splined portion. The splined portion is configured to engage with the splined end of the crank axle in a mounted state where the crank arm is mounted to the crank axle. The biasing element is configured to bias the axle fastener in a biasing direction parallel to the second opening axis.

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First Claim

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Patent Owner(s)

  • SHIMANO INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamanaka, Masahiro Sakai, JP 71 861

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