Electric fuse with plate-supported fusible element

Details Electric fuse with plate-supported fusible element Electric fuse with plate-supported fusible element

1976-01-06

1977-05-03

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337295, 403284, H01H 8504, H01H 8520

Patent

active

040217655

ABSTRACT:
An electric fuse has helically wound fusible element means which are supported by a mandrel made up of insulating plates. The latter engage grooves provided in terminal plugs of the fuse. The mandrel-forming plates are locked in position inside said grooves by cooperating abutment means. These abutment means are formed by recesses in the mandrel-forming plates, and by projections formed by displaced portions of the metal of which the plug terminals of the fuse are made, which portions enter into said recesses in said mandrel-forming plates and preclude relative movement of the latter and the plug terminals.

REFERENCES:
patent: 2733788 (1956-02-01), Farmer
patent: 3797194 (1974-03-01), Ekstein
patent: 3846728 (1974-11-01), Salzer

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