Resilient leg design for hopping running and walking machines

Details Resilient leg design for hopping running and walking machines Resilient leg design for hopping running and walking machines

2007-09-18

2007-09-18

Rimell, Sam (Department: 2164)

Amusement devices: toys

Figure toy or accessory therefor

Including spring for returning limb or foot during walking

C446S315000

Reexamination Certificate

active

09569641

ABSTRACT:
A leg for use on hopping, running, jumping and walking machines. As incorporated into the bow leg hopper robot, a thrust actuator provides elastic energy to the leg which is automatically released during stance to control hopping height. Lateral motion is controlled by directing the leg angle at touchdown, which determines the angle of takeoff. The leg pivots freely on a hip bearing, and is automatically decoupled from the leg-angle positioner during stance to preclude hip torques that would disturb body attitude. Upright attitude is maintained without active control by allowing the body to hang from the hip joint. The leg may also be incorporated into multilegged running robots, and recreational vehicles.

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