Fuse link

Details Fuse link Fuse link

1980-03-24

1982-02-23

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337231, H01H 8502

Patent

active

043170994

ABSTRACT:
An improved fuse link has a fusible element attached between first and second terminals. The first terminal is attached to, or integral with, a length of flexible stranded cable. The terminals, the fusible element and some of the cable are within an arc-extinguishing sheath. The cable is unified and stiffened for a selected distance immediately adjacent the first terminal to act thereat substantially as a solid rod. The unified region acts as a guide for the first terminal moving through the sheath, reduces binding friction between the cable and the sheath, and eliminates "mushrooming" of the cable within the sheath.

REFERENCES:
patent: 2108993 (1938-02-01), Ramsey
patent: 2283701 (1942-05-01), Smith
patent: 2394590 (1946-02-01), Boothe

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