Power saving fast bicycle

• Main Author: HONGBING SU
• Format: Patent
• Language: English
• Published: 11.06.2003
• Edition: 7
• Subjects: CYCLE AXLE SUSPENSIONS; CYCLE FRAMES; CYCLE SIDE-CARS, FORECARS, OR THE LIKE; CYCLE STEERING DEVICES; CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING

The utility model relates to a power saving fast bicycle, comprising a vehicle frame, a tap, a seat cushion, front and rear wheels, a large chain wheel, chains and a flying wheel. The large chain wheel (1) is fixed with a small chain wheel (3), the flying wheel (2) is fixed with a chain wheel (4), the small chain wheel (3) is connected with a chain wheel (B) in an inertia gear group (5) through the chain, the chain wheel (4) is connected with a chain wheel (C) in the inertia gear group (5) through the chain; two small chain wheels (10) with large teeth are respectively arranged at the two sides, and the chain wheels of the two small chain wheels (10) are the chain wheel(B) and the chain wheel(C). The bicycle has at least one concentric consubstantial large-gear-pinion (11), the large teeth of the small chain wheels (10) are engaged with the small teeth of the concentric consubstantial large-gear-pinion (11), and the large teeth of the concentric consubstantial large-gear-pinion (11) are engaged with the small teeth of another concentric consubstantial large-gear-pinion (11); an inertia gear (12) is arranged between the two concentric consubstantial large-gear-pinions(11). The utility model has the advantages of labor-saving, fastness, comfort, security and stability.