Pedalgetriebenes Fahrrad mit einem Hilfsantriebsmittel

摘要

PCT No. PCT/CN95/00022 Sec. 371 Date Jan. 2, 1998 Sec. 102(e) Date Jan. 2, 1998 PCT Filed Apr. 3, 1995 PCT Pub. No. WO96/30249 PCT Pub. Date Oct. 3, 1996A pedal bicycle is provided which includes an auxiliary power source such as an internal combustion engine or a DC electric motor. The bicycle further includes a clutch-transmission having an input shaft connected to the auxiliary power source and an output shaft. A bicycle chain wheel is mounted on the pedal assembly of the bicycle and is connected to a bicycle free-wheel mounted on the hub of the rear wheel. The bicycle further includes a second chain wheel mounted on the output shaft of the clutch-transmission for rotation therewith and a second free-wheel connected to the second chain wheel by a second chain. The second free-wheel may be mounted on the hub of the rear or front wheel of the bicycle depending upon the mounting location of the auxiliary power source and the clutch-transmission. The bicycle free-wheel and the second free-wheel are driven in the same direction.