Structure of bicycle chain transmission

Details Structure of bicycle chain transmission Structure of bicycle chain transmission

B - Operations, Transporting

62

M

74/35

B62M 3/04 (2006.01) B62M 3/06 (2006.01)

Patent

CA 2023180

STRUCTURE OF BICYCLE CHAIN TRANSMISSION ABSTRACT: Disclosed is a bicycle chain transmission, which comprises a crank fastened in a bearing block on the outer side of a chain wheel and connected with a side projection of a ball bearing which is mounted on a connector which is eccentrically fastened in the bottom bracket axle of a bicycle. The rotation of the connector drives the ball bearing to rotate eccentrically and to drive the crank to automatically change its arm of force so as to minimize energy consumption in pedaling.

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