Tag Archives: gearshift

Booster apparatus for speed-change and gearshift of bicycle

Application Number: 00108154Application Date: 2000.04.29Publication Number: 1297832Publication Date: 2001.06.06Priority Information: 1999/11/30 US 09/452724International: B62M25/02Applicant(s) Name: Shimano Inc.Address: Inventor(s) Name: Fujii Kazuako;Kusumitsu YoshiokiPatent Agency Code: 72001Patent Agent: cai minjunAbstract An assisting apparatus that uses power from a rotating member to assist the operation of a bicycle transmission includes a mounting member; a cam member coupled to… Read More »