Rider propelled cycles with auxiliary combustion engine

Full Title

Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor > Rider propelled cycles with auxiliary combustion engine

Child Classifications

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• B62M 6/15 Control or actuating devices therefor
• B62M 6/20 power-driven at crank shaft parts
• B62M 6/25 power-driven at axle parts
• B62M 6/30 power-driven at single endless flexible member, e.g. chain, between cycle crankshaft and wheel axle, the engine engaging the endless flexible member
• B62M 6/35 power-driven by friction rollers or gears engaging the ground wheel