Human bipedal locomotion device

Details Human bipedal locomotion device Human bipedal locomotion device

1990-07-03

1991-05-21

Apley, Richard J.

Undertaking

272 701, 272 703, A63B 2500, A63B 2502, A63B 2506

Patent

active

050168690

ABSTRACT:
A self-actuated spring-action human bipedal device includes a back-mounted frame attached to the upper torso of a user, and separate articulated right and left leg frames pivotally attached by U-joints to lower portions of the back frame. The user's feet are secured to the leg frames so the bottoms of the leg frames contact the ground, behind and below the point where each foot is attached to its leg frame. Endless cord-like main springs are engaged with a spring actuator, which are carried on the back frame. Left and right tension lines running from respective leg frames to the spring actuator are arranged so that compression of the leg frames, caused by the force of downward movement of the user's feet and torso, pulls on the tension lines to apply a pulling force to the spring actuator for stretching the main springs. The tension lines are also each attached to a part of the leg frame which engages on the user's foot so that extension of the user's leg pulls on the tension lines, also stretching the main springs. The energy stored in the stretched main springs is then transferred back to the torso of the user and to the user's feet to cause the user to jump into the air. Separate pick-up springs connected to each leg frame keep the tension lines under positive tension and apply a pick-up force to the leg frame to raise it and prevent dragging.

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