Electrical switch

Details Electrical switch Electrical switch

1980-03-19

1982-08-17

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200255, 200260, H01H 138, H01H 144

Patent

active

043451292

ABSTRACT:
An electric switch having contact elements designed in the form of contact pins is disclosed. Contact pins and flat springs are arranged in units, each unit having a contact pin and an associated flat spring, and each unit extending in the make/break direction of the switch. Each contact pin-flat spring unit is held between a contact carrier and a cage. The cage may be held in place by outer ends of the flat springs. A tubular conductor or a contact blade can be used as a mating contact. The mating contact is in electrical connection with the contact pins when the switch is in the make position. The individual contact elements can be easily replaced, and a standard design contact element can be used in switches of various sizes and types. A switch according to the present invention is particularly suitable for use with large surge currents.

REFERENCES:
patent: 2300893 (1942-11-01), Hayford
patent: 2303425 (1942-12-01), Bickham
patent: 2376818 (1945-05-01), Rubel
patent: 2433115 (1947-12-01), Green
patent: 2458792 (1949-01-01), Nijland
patent: 2923800 (1960-02-01), Borde et al.
patent: 3560688 (1971-02-01), Bachler
patent: 4087668 (1978-05-01), Nakanishi et al.
patent: 4188516 (1980-02-01), Patel et al.

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