The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 21, 2020

Filed:

May. 20, 2016
Applicant:

Shimano Inc., Sakai, Osaka, JP;

Inventor:

Kenji Kamada, Osaka, JP;

Assignee:

Shimano Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62M 3/00 (2006.01); B62M 9/10 (2006.01); B62M 9/00 (2006.01);
U.S. Cl.
CPC ...
B62M 3/00 (2013.01); B62M 9/105 (2013.01); B62M 9/00 (2013.01);
Abstract

A bicycle crank assembly has a sprocket, a first crank arm, a second crank arm and a crank axle, A first axial distance is defined between the first pedal attachment surface and the second pedal attachment surface in an axial direction. A second axial distance is defined between the first transverse center plane of the sprocket and the second axial center plane of the crank axle in the axial direction. The first axial distance is smaller than or equal to 170 mm. The second axial distance is larger than or equal to 55 mm.


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