Support arrangement for a helically wound fusible element

Details Support arrangement for a helically wound fusible element Support arrangement for a helically wound fusible element

1982-02-08

1983-05-31

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337231, 337252, H01H 8516

Patent

active

043863345

ABSTRACT:
An electric fuse having a support for helically wound fusible element or elements. The support includes a plurality of rods which are supported at their opposite ends adjacent the fuse end terminal by rod supports each of which is made from a pair of angularly arranged sheet-metal channels. The channels have a U-shaped cross-section and are arranged with their open ends facing the center of the fuse housing. Centrally positioned sections of the channels are flattened to facilitate rigid attachment of the channels to one another. The ends of the rods are received in and attached to interior portions of the U-shaped channels. A sub-assembly comprising the rods, rod supports and the wound fusible elements is pre-assembled and, when placed in a fuse housing, the ends of the channels cooperate with the inside walls of the housing to properly position the entire assembly.

REFERENCES:
patent: 3848214 (1974-11-01), Salzer
patent: 4001748 (1977-01-01), Salzer

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