RAPID EXERCISE BICYCLE AND RAPID EXERCISE TRICYCLE DRIVEN BY HAND OPERATING AND FOOT PEDALING

摘要

A rapid exercise bicycle or a rapid exercise tricycle which is driven by hand operating and foot pedaling is provided for realizing a rapid and exercisable riding. Foot pedals (11), a driving gear (9) and a driving chain (12) are provided between the lower of a pivot shaft (8), which is in an upright fixed bearing (7) in the front of the frame, and a pivot shaft of the front wheel (1). In front of the rear wheel(s) (18), below and in front of the seat (22), a group of a driving gear (20), a driving chain (21) and a hand rotating gear (27'') which is connected with the driving gear (20) by the driving chain (21) is also provided. Alternatively, a group of a driving gear (20), a driving chain (21) and a hand pushing-pulling gear rod which is meshed with the driving gear (20) can be provided in the same place. While depressing the pedals (11) by feet to provide a forward driving force for the front wheel (1), the rider rotates the hand rotating gear (27''), or pushes-pulls the hand pushing-pulling gear rod by hand to provide a forward driving force for the rear wheel(s) (18) as well. The bicycle and tricycle have rapid speed and simple structures. The bicycle and tricycle do not waste energy resources and pollute air. They also make the rider have an exercise.