Disconnection mechanism for a dark current fuse

Details Disconnection mechanism for a dark current fuse Disconnection mechanism for a dark current fuse

1995-08-31

1997-05-13

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337194, 337198, 337201, 337216, 439250, 439621, H01H 8502, H01H 8552, H01R 1364, H01R 1368

Patent

active

056296630

ABSTRACT:
A disconnection mechanism for a dark current fuse provides a connecting terminal connecting the dark current fuse, a fuse block body receiving the connecting terminal, and a fuse holder slidably engaged with the fuse block body in a direction of connecting the dark current fuse, the fuse holder provides a cutaway opening exposing a head of the dark current fuse being therein, an engaging projection disposed at an opening edge of the cutaway opening for engaging the head, and a supporting wall portion contacting a trunk of the dark current fuse. The disconnection mechanism is not necessary to store the extracted dark current fuse after a dark current fuse circuit is opened, so that there arises no possibility of missing the extracted dark current fuse, the dark current fuse can be extracted by using a puller, and the dark current fuse is surely held and prevented from slipping off.

REFERENCES:
patent: 4221455 (1980-09-01), Cairns
patent: 4238140 (1980-12-01), Cairns
patent: 4560227 (1985-12-01), Bukala
patent: 5145414 (1992-09-01), Oikawa
patent: 5171293 (1992-12-01), Umemoto
patent: 5215479 (1993-06-01), Araki
patent: 5221217 (1993-06-01), Oikawa
patent: 5224872 (1993-07-01), Noda
patent: 5277626 (1994-01-01), Oikawa
patent: 5488345 (1996-01-01), Seki

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