the device is activated by the two pedal devices and self reinforcing effect is includes a structure placed on the back of the user and is attached to the upper torso of the user, as well as separate frames articulated legs straight and fast che.these are connected by joints in a rotating manner to the lower parts of the structure is mounted on the back of the user.the feet of the user are set in the context of the legs so that the lower parts of the leg frames are in contact with the ground, and not to the feet of the user, and behind the point where each foot is attached to its respective leg.an actuator is mounted on the structure is mounted on the back of the user and the main spring similar to a rope end is engaged with the actuator spring.power lines left and right from left and right frames of the legs until the spring actuator are arranged so that the leg frames caused by compression force of the downward movement of the user's feet, and torso are on the floor power lines for applying a tensile force on the actuator are spring-loaded and stretchgood key. the power lines are attached to a part of the leg, so that the extension of the leg of the user has a pulling effect on the power lines stretching the main springs.the energy stored in the springs is then referred to the chest leading to the user, and at the foot of the user into the user into the air by boosting a height above the ground, which is approximately proportional to the degree of compression of the ca dr. leg stretch and the amount transferred to the main spring.separate recovery springs connected to each leg part to maintain power lines in a positive state, so that the voltage on each
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