Patent ID: 7544139
Filing Date: 2009-06-09
Classification: B62M,Y10T

Abstract:
1. A multifunctional pedaling motion bicycle having a frame and comprising a primary axle assembly rotatably mounted to the frame, a secondary axle assembly mounted to the frame at a location behind the primary axle assembly, the secondary axle assembly comprising a secondary axle having opposite ends to which secondary chain wheels are mounted, the primary axle assembly comprising a primary axle having opposite ends to which pedal cranks are mounted, each pedal cranks being provided with a one-way bearing to couple with the primary axle, a primary chain wheel being mounted to the primary axle to drive a rear hub, driving collars and clutching rings being axially mounted on the primary axle and controlled by a control mechanism, the control mechanism comprising: an engaging fork, which is in driving engagement with a respective one of the driving collars, a connector connected to each of the engaging forks with a wire and further connected to a manually operable pull wire by a spring, the engaging forks being rotatably mounted to the frame; and a secondary control block, which is selectively engageable a respective one of the clutching rings by a biasing force, whereby in condition where the engagement is established between a first tooth of the secondary control block and a second tooth of said respective one of the clutching rings, when the secondary control block is set in reversed rotation, a camming force acting between an inclination between the first and second teeth separates the secondary control block and said respective one of the clutching rings to effect idling rotation of the secondary control block.