Mounting apparatus for arc quenching plates for electric contact

Details Mounting apparatus for arc quenching plates for electric contact Mounting apparatus for arc quenching plates for electric contact

1985-04-09

1987-08-04

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200306, H01H 3308

Patent

active

046847723

ABSTRACT:
There are provided arc quenching plates for leading an arc formed by operation of electric contacts away from the contacts, and there is provided a housing for holding the arc quenching plates. The housing has grooves made into opposing internal walls, and the grooves extend from a first side of the housing for a predetermined distance into the housing, the arc quenching plates are insertable from the first side of the housing into the grooves, and a retaining plate holds the arc quenching plates in place in the grooves. The retaining plate may have an exhaust channel between the housing and the retaining plate for exhaust of arc gases in a direction substantially parallel to a plane of the retaining plate, and substantially perpendicular to a plane of the arc quenching plates.

REFERENCES:
patent: 2788421 (1957-04-01), Jones
patent: 3025376 (1962-03-01), Yarrick
patent: 3091677 (1963-05-01), Rosing
patent: 3448231 (1969-06-01), Heft
patent: 3515829 (1970-06-01), Hurtle et al.
patent: 3662133 (1972-05-01), Bould et al.
patent: 3706868 (1972-12-01), Rys
patent: 4345225 (1982-08-01), Lemmer
patent: 4401863 (1983-08-01), Lemmer et al.
patent: 4446347 (1984-05-01), Eguchi et al.
patent: 4477704 (1984-10-01), Mori et al.
patent: 4485283 (1984-11-01), Hurtle

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