Speed variator of bicycle

Application Number: 00107799
Application Date: 2000.05.29
Publication Number: 1271675
Publication Date: 2000.11.01
Priority Information:
International: B62M9/02
Applicant(s) Name: Liu Wei
Inventor(s) Name: Liu Wei
Patent Agency Code: 00000
Patent Agent:
Abstract A speed variator for bicycle is composed of a big rotating gear, a small rotating gear and an axle. Said big and small gears rotate at same time. Said axle of speed variator is linked to bicycle frame. The rotating gears which are four in total are arranged according to their sizes.