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:
Jan. 12, 2016

Filed:

May. 28, 2015
Applicant:

Shimano Inc., Sakai-shi, Osaka, JP;

Inventors:

Makoto Usui, Sakai, JP;

Junya Fujita, Sakai, JP;

Yasuhiro Tsuchizawa, Sakai, JP;

Assignee:

Shimano Inc., Sakai-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62M 9/123 (2010.01); F16H 61/02 (2006.01); F16H 59/14 (2006.01); F16H 59/52 (2006.01); F16H 59/44 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0213 (2013.01); B62M 9/123 (2013.01); F16H 59/14 (2013.01); F16H 59/44 (2013.01); F16H 59/52 (2013.01); F16H 2059/142 (2013.01); F16H 2061/0223 (2013.01); F16H 2061/0234 (2013.01); F16H 2061/0244 (2013.01);
Abstract

A control device for an automatic transmission for a bicycle is provided. The control device comprises a controller configured to instruct the automatic transmission to shift among a plurality of speed stages, each speed stage having an associated cadence range, wherein the controller is further configured to determine a traveling resistance of the bicycle, and if the traveling resistance exceeds a predetermined threshold, the controller is configured to adjust at least one of the cadence ranges, and following the adjustment of the at least one cadence range, the controller is further configured to operate the automatic transmission to shift based upon the adjusted cadence range and a detected cadence.


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