Gripping device with electromagnetic actuating means

Details Gripping device with electromagnetic actuating means Gripping device with electromagnetic actuating means

2005-10-25

2005-10-25

Chiu, Raleigh W. (Department: 3711)

Amusement devices: games

Physical skill or ability

Game element capture or pick up using manual dexterity

Reexamination Certificate

active

06957813

ABSTRACT:
A device for grasping and subsequently displacing an object to a delivery position, comprising a gripper suspended from a trolley and provided with at least three prongs which are each pivotable relative to a carrier and which are displaceable by control means from a spread position to a closing position and vice versa, wherein the control means are formed by a coil connected to the carrier and a magnetic core which is movable in the coil and coupled to the prongs and which consists of a system of permanent magnets, which coil can be energized by a current, wherein the magnets are disposed such that their combined flux will form a constant pattern relative to the coil in all positions, whereby the gripping force is constant in the diverse closing positions.

REFERENCES:
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patent: 4685673 (1987-08-01), Verstraeten
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patent: 6428070 (2002-08-01), Takanashi et al.
patent: 2004/0026865 (2004-02-01), Verstraeten
patent: 0875981 (1998-11-01), None
patent: 11114865 (1999-04-01), None
“Linear Magnetic Actuator” IBM Technical Disclosure Bulletin, IBM Corp. New York, US, vol. 35, No. 3, 1992, pp. 39-40.

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