Electrically assisted vehicle has pedal crank drive connected via short chain or shaft and bearing to gearbox and then via drive shafts to front wheels and hub motor in rear wheel swinging frame

摘要

The device is driven by muscle power and a drive machine, preferably an electric motor. It has a pedal crank drive (1) connected via a short chain (2) or shaft and a bearing to a gearbox (3) and then via drive shafts (4) to the front wheels (5) and a hub motor (7) built into the rear wheel swinging frame (6). Two such rear wheel units may be provided.