Electrical contact for use in a current-interrupting unit

Details Electrical contact for use in a current-interrupting unit Electrical contact for use in a current-interrupting unit

1984-03-29

1985-12-31

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Contact

200258, 200164R, H01H 144

Patent

active

045623244

ABSTRACT:
A female interrupting contact for a current-interrupting unit includes a smoothly contoured, apertured pressure ring which is held in a groove formed in the wall of a bore through a contact body. A spring in the groove maintains the ring to one side of the bore so that the aperture is normally misaligned with the path of a male contact through the bore. When the male contact enters the aperture, it moves the ring against the action of the spring to align the aperture with its path. This alignment effects intimate sliding engagement between the male contact and both the ring and the wall of the bore, one or both of the latter of which are conductive so that a reliable electrical path through the contacts and the interrupting unit is established.

REFERENCES:
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patent: 2816982 (1957-12-01), Barta
patent: 2816994 (1957-12-01), Mikos
patent: 3009043 (1961-11-01), Goodwin, Jr. et al.
patent: 3127492 (1964-03-01), Date
patent: 3526736 (1970-09-01), Rampath
patent: 3560688 (1971-02-01), Bachler
patent: 4087668 (1978-05-01), Nakanishi et al.
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patent: 4271339 (1981-06-01), Meister et al.
patent: 4345129 (1982-08-01), Czech et al.
patent: 4427862 (1984-01-01), Lin

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