Electromagnetic fasteners

Details Electromagnetic fasteners Electromagnetic fasteners

1992-07-14

1994-11-01

Brown, David H.

Material or article handling

Vertically swinging load support

Grab

244159, 244161, B66C 104, B25J 1510

Patent

active

H00013781

ABSTRACT:
An electromagnetic fastener for manipulating objects in space uses the matic attraction of various metals. An end effector is attached to a robotic manipulating system having an electromagnet such that when current is supplied to the electromagnet, the object is drawn and affixed to the end effector, and when the current is withheld, the object is released. The object to be manipulated includes a multiplicity of ferromagnetic patches at various locations to provide multiple areas for the effector on the manipulator to become affixed to the object. The ferromagnetic patches are sized relative to the object's geometry and mass.

REFERENCES:
patent: 3672999 (1972-06-01), Barbera
patent: 4181188 (1980-01-01), Dessert
patent: 4323329 (1982-04-01), Chlad
patent: 4921292 (1990-05-01), Harwell et al.
patent: 4921293 (1990-05-01), Ruoff et al.
patent: 5125601 (1992-06-01), Monford, Jr.
patent: 5145227 (1992-09-01), Monford, Jr.

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