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.
Patent No.:
Date of Patent:
Aug. 24, 2010
Filed:
Nov. 08, 2007
Applicant:
Satoru Kunisawa, Osaka, JP;
Inventor:
Satoru Kunisawa, Osaka, JP;
Assignee:
Shimano Inc., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 7/18 (2006.01); F16H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The chain guide of a bicycle rear derailleur is a chain guide which is connected to a movable member so that this guide is free to swing about a center pivot axis. The chain guide has a pair of plate members rotatably supporting a guide pulley and a tension pulley. One of the plate members is provided with a chain slip prevention part which is disposed between both plate members in the vicinity of the guide pulley. Preferably, the chain slip prevention part has a width of ten mm or greater and fifty mm or less.