H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/147
H01H 85/30 (2006.01) B23K 35/32 (2006.01) C23C 26/02 (2006.01)
Patent
CA 1155158
ELECTRIC FUSE FOR ELEVATED CIRCUIT VOLTAGES Abstract of Disclosure A fuse for elevated circuit voltages having a blown fuse indicator. The fuse is characterized by its great simplicity of design. Virtually all its components, or constituent parts, form a sub-assembly capable of being inserted as a unit into the fuse tube or casing. One terminal of the fuse is formed by a plug contact that defines a heating chamber for heating one end of the restraining wire for the blown fuse indicator above all other points thereof. The other terminal of the fuse is formed by a ferrule, or terminal cap, conductively connected to a perforated metal disk, or metal plate, arranged immediately adjacent thereto. That disk or plate performs three functions, namely (1) to help support insulating rods around which the fusible element is helically wound, (2) to form one of the terminals of the fusible element and the restraining wire for the blown fuse indicator, and (3) to provide a large aperture through which the fuse is easily filled with arc-quenching filler.
378945
Ga-Tek Inc. (doing Business As Gould Electronics Inc.)
Kappel Ludlow Llp
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