Gould Inc.

I-t-e Imperial Corporation

Leonard J Kucharski

Lorne D McConnell

Gerald A Votta

A spring wire formed tulip contact comprises cylindrical male and female members. The female member is formed by placing a plurality of spring wire fingers around the outer circumference of a cylindrical stud member in such a manner that the plurality of fingers extend axially outward from the stud to form a female contact sleeve. Each of the plurality of fingers are bent axially inward with respect to the stud in order that the innermost diameter of the female contact sleeve is smaller than the outer diameter of the male contact member. The plurality of fingers are held in firm electrical and mechanical contact with the stud member by a cylindrical retaining ring.

Spring wire formed tulip contact

The nozzle of a puffer type breaker is provided with a plurality of ports of different downstream lengths having different diameters and angles of entry which communicate from the region at generated high pressure into the arcing region within the nozzle.

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Harleysville, PA, United States of America

Leonard J Kucharski