Proof that the contraction of the calf cannot increase the pressure on the pedal and mechanisms to make use of this fundamental discovery

摘要

To understand the present invention, it is first necessary to understand thoroughly the following discovery concerning the calf when pressure is applied on the pedal: there are two optical illusions which mislead everyone (figures 21 and 22 represent a lower limb pressing on a pedal, (6) being the thigh, (11) the leg, A+B the foot and (1) the ankle). The first illusion (fig 21) is to believe that the calf (M) increases the pressure on the pedal. The second illusion (fig 22) is not to see the force M' which cancels the force M. The entire pressure on the pedal is derived from the thigh only, the calf contraction being merely loss of energy. The invention consists in replacing the pedal by a mechanism avoiding the use of the calf thereby doubling performance without loss of power.