Patent ID: 6010433
Filing Date: 2000-01-04
Classification: A63B,B62M

Abstract:
An exerciser bike comprising:a frame including a front portion having a front wheel and a handle for steering said front wheel, and including a rear portion having two rear wheel axles,two rear wheels rotatably secured to said rear wheel axles, andtwo driving means for driving said rear wheels separately, said two driving means each including a ratchet sprocket wheel secured on said rear wheel axles, a foot support having a middle portion pivotally coupled to said frame at a pivot shaft and having a first end and a second end, a foot pedal secured on said first end of said foot support, and a chain engaged on said ratchet sprocket wheel and having a first end secured to said frame and a second end secured to said second end of said foot support, for allowing said rear wheels and said ratchet sprocket wheels to be driven by said foot supports via said chains,said exerciser bike being allowed to be turned with said rear wheels when said rear wheels are actuated with different speeds with said two driving means.