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. 06, 2016
Filed:
May. 25, 2015
Shimano Inc., Sakai, JP;
Etsuyoshi Watarai, Sakai, JP;
Tooru Iwai, Sakai, JP;
Tetsu Nonoshita, Sakai, JP;
Toyoshi Yoshida, Sakai, JP;
SHIMANO INC., Sakai, JP;
Abstract
A bicycle rear sprocket assembly comprises a plurality of sprocket members and a supporting member. The plurality of sprocket members have a rotational center axis. The plurality of sprocket members are arranged in an axial direction parallel to the rotational center axis. The plurality of sprocket members each include a sprocket body and a plurality of sprocket teeth. The plurality of sprocket teeth extend radially outwardly from the sprocket body with respect to the rotational center axis. The supporting member is a separate member from the plurality of sprocket members. The supporting member includes a supporting portion and a hub engagement portion. The supporting portion is configured to support the plurality of sprocket members. The sprocket body of each of the plurality of sprocket members is attached to the supporting portion of the supporting member without using a separate metallic fastening member.