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:
Aug. 13, 2019

Filed:

Sep. 20, 2016
Applicant:

Shimano Inc., Sakai, Osaka, JP;

Inventors:

Yuki Hirose, Osaka, JP;

Atsuhiro Emura, Osaka, JP;

Tetsu Nonoshita, Osaka, JP;

Assignee:

Shimano Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62M 9/10 (2006.01); F16H 55/30 (2006.01); B62M 9/12 (2006.01); B62M 1/36 (2013.01); B62M 9/00 (2006.01);
U.S. Cl.
CPC ...
B62M 9/105 (2013.01); B62M 9/12 (2013.01); F16H 55/30 (2013.01); B62M 1/36 (2013.01); B62M 2009/007 (2013.01);
Abstract

A bicycle front sprocket assembly is basically provided with a first sprocket, a second sprocket, a sprocket carrier and a chain guiding portion. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth disposed on a first outer periphery of the first sprocket body, The second sprocket includes a second sprocket body and a plurality of second sprocket teeth. The second sprocket teeth are disposed on a second outer periphery of the second sprocket body. The sprocket carrier includes a torque transmitting profile and a sprocket mounting portion. The chain guiding portion is positioned between the first and second sprockets in an axial direction parallel to a rotational center axis of the bicycle front sprocket assembly. At least one of the first and second sprockets is mounted to the sprocket mounting portion of the sprocket carrier by a non-threaded fastener.


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