H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/139
H01H 85/30 (2006.01)
Patent
CA 1148591
ABSTRACT OF THE DISCLOSURE A blown fuse indicator for an electric fuse having a tubular casing of insulating material, a pair of terminal caps mounted on the ends of the casing to close the ends thereof, a fuse link conductively interconnecting the terminal caps and an arc quenching filler material filling the casing to embed the fuse link, the fuse indicator including an indicator housing supported by one of the end caps, a pin type indicator positioned within the housing and biased outwardly from the housing to pierce a plate provided at the outer end of the indicator housing and a pair of members formed of a non-conductive material and having corresponding openings in the form of holes or notches with a fuseable wire threaded through the openings to prevent relative movement between the members, one of the members being supported by the housing and the other of the members being connected to the indicator, on fusing of the wire the member connected to the indicator being released allowing the indicator to move to the indicating position.
381544
Rte Corporation
Smart & Biggar
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