Break contact arrangement for pullout-type switchgear

Details Break contact arrangement for pullout-type switchgear Break contact arrangement for pullout-type switchgear

1983-09-19

1984-12-04

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Contact

200282, 339255P, H01H 144

Patent

active

044866364

ABSTRACT:
A break contact arrangement is disclosed. One piece spacers provided with angled-off arms determine the mutual spacing of contact segments and guide the contact segments within a holder comprising side walls and sheet metal covers. The contact segments are spaced by the arms of the spacers. Each spacer includes a U-shaped central portion which is received in a recess of the contact segments and extensions at opposite ends which are fastened to the side walls of the holder. The contact forces are supplied by one-piece springs which have spring arms for each contact segment. The break contact arrangement is particularly well suited for pullout-type low-voltage and medium-voltage switchgear for connecting conductors of rectangular cross section.

REFERENCES:
patent: 2273069 (1942-02-01), Rossman
patent: 2303425 (1942-12-01), Bickham
patent: 2376818 (1945-05-01), Rubel
patent: 2433115 (1947-12-01), Green
patent: 2751471 (1956-06-01), Wills
patent: 2872659 (1959-02-01), Wills
patent: 3201556 (1965-08-01), Baird
patent: 3427419 (1969-02-01), Findley, Jr.
patent: 3982806 (1976-09-01), Wilson et al.

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