Pedal crank assembly for bicycle, such as electric bicycle, has pedal cranks, which are optionally locked to one another in two positions, where pedal cranks are displaced to one another around one hundred eighty degree in former position

摘要

The pedal crank assembly has an electric drive, which is provided with two pedal cranks (2,3). The pedal cranks are coupled by a bottom bracket that is arranged in a bottom bracket housing (1). The pedal cranks are optionally locked to one another in two positions. The pedal cranks are displaced to one another around 180 degree in the former position. The pedal cranks are aligned parallel to each other in the latter position. The pedal cranks are rotary locked in a lower position.