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:
Dec. 21, 2010
Filed:
Aug. 31, 2006
Shinya Oseto, Osaka, JP;
Kentaro Hiratani, Osaka, JP;
Shinya Oseto, Osaka, JP;
Kentaro Hiratani, Osaka, JP;
Shimano Inc., Osaka, JP;
Abstract
A bicycle sprocket assembly includes a first sprocket, a second sprocket and at least one reinforcement member. The first sprocket includes a first main body and a first chain engagement portion. The second sprocket includes a second main body and a second chain engagement portion. The reinforcement member is coupled between the sprockets. Preferably, the reinforcement member is disposed in first and second apertures of the first and second sprockets at a radial location spaced radially outwardly of first and second inner end portions of the first and second sprockets. Preferably, a spacer is disposed between the first and second sprockets radially inwardly of the reinforcement member. The reinforcement member is preferably installable in the first and second apertures by a sliding movement generally perpendicular to a rotation axis of the first and second sprockets.