Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Having electrical actuator
Patent
1988-10-25
1991-11-05
Green, Randall L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Having electrical actuator
623 64, 414 1, 901 40, 901 36, A61F 254, A61F 270
Patent
active
050628550
ABSTRACT:
A material handling system in the form of a grappling device or of a robotic or prosthetic limb is provided which can function for performing work. The system includes a plurality of magnets including at least one electromagnet. In preferred embodiments the magnets are hinged together at opposite ends and disposed inside a sheath. By reversing the polarity of selected electromagnets in the limb, the limb or an associated material handling device can be moved from an open position to a closed position for gripping an object. In turn, by again reversing the polarity of the electromagnets, the object can be released and the limb returned to an open position. The limb may be in the form of an anatomical hand, an arm or a foot, and the resilient casing may take the form and appearance of an artificial skin. The outer skin may be a glove with the inside of the glove having electrical conductors deposited thereon with contacts engaging opposite ends of the selected magnets. A power source is connected to the conductors for reversing the polarity of the magnets.
REFERENCES:
patent: 3449768 (1969-06-01), Doyle
patent: 3751733 (1973-08-01), Fletcher et al.
patent: 4246661 (1981-01-01), Pinson
patent: 4302138 (1981-11-01), Zarudianshy
patent: 4414984 (1983-11-01), Zarudianshy
patent: 4770662 (1988-09-01), Giampapa
patent: 4792338 (1988-12-01), Rennerfelt
patent: 4853630 (1989-08-01), Houston
Green Randall L.
Margolis Donald W.
Willse David H.
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