Insertion type fuse with breakage indication

Details Insertion type fuse with breakage indication Insertion type fuse with breakage indication

2006-03-06

2008-03-04

Bugg, George (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S657000, C200S308000, C337S158000

Reexamination Certificate

active

07339486

ABSTRACT:
An insertion type fuse with breakage indication comprises a seat having a long receiving chamber for receiving a metal fuse; an rectangular bi-directional SMD form LED set being located on the buckle portions; the LED set being a coating device and being high temperature tolerant; the LED set being connected to a circuit; the LED including two LEDs and being serially connected with a voltage divided resistor; a fuse wire being connected between the LED set and a load; the LED set being buckled to the buckle portions; when the fuse wire breaks, light will emit out so as to show that the fuse wire breaks; thereby a break fuse can be fined rapidly. In assembly, the seat and the cover are integrally formed. The LED set is adhered to the metal fuse and then the metal fuse is assembled into the long receiving chamber.

REFERENCES:
patent: 4387358 (1983-06-01), Knapp, Jr.
patent: 5598138 (1997-01-01), Jaronczyk, Jr.
patent: 6522234 (2003-02-01), Sturgill

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