Rotational joint assembly for the prosthetic leg

Details Rotational joint assembly for the prosthetic leg Rotational joint assembly for the prosthetic leg

1976-07-30

1977-08-02

Frinks, Ronald L.

3 21, A61F 108, A61F 104

Patent

active

040387054

ABSTRACT:
A rotational joint assembly for a prosthetic leg which enables an artificial foot to rotate slightly when a person is walking, running or turning. The prosthetic leg includes upper and lower tubular members with the rotational joint assembly interposed therebetween. The rotational joint assembly includes a restrainer mechanism which consists of a pivotably mounted paddle element engaging a resilient device for applying a limiting force to control the rotation of the foot and also restoring torque to return the foot back to its initial position.

REFERENCES:
patent: 3731323 (1973-05-01), Glancy
patent: 3842443 (1974-10-01), Weber
patent: 3906552 (1975-09-01), Weber
patent: 3956775 (1976-05-01), Moore

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