Multi-force compounding power lever power unit e.g., for children's bicycles, has power arms slots provided above and below roll-off acceleration curves

摘要

Force compounding multi-power lever unit has the primary force of a lever alternately displaced with variable incline by several control sliding shoes, power utilization is manifested in the slotted power arms from zero to maximum with the control wheels of the slotted power arms, with or without pressure control wheels, and with/without permanent magnets on the slotted control wheel lugs, and the slots of the power arms, have above and below particular roll-off accelerated curves.