Telephone protector module having heat coil fired flag indicator

Details Telephone protector module having heat coil fired flag indicator Telephone protector module having heat coil fired flag indicator

1976-12-27

1978-05-23

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

337244, H02H 322

Patent

active

040914356

ABSTRACT:
A telephone protector module is provided with indicating means actuated by the actuation of heat sensitive means within the module to provide a visual indication of such actuation externally of the module casing. The indicating means is in the form of an elongated member secured at one end thereof to a moving member of the heat sensitive means. The free end of the indicating member projects through an opening in the end of the casing element, and normally lies flush with the outer surface thereof. Upon actuation of the heat sensitive means, the free end extends outwardly of said surface to be immediately visible to service personnel.

REFERENCES:
patent: 2914636 (1959-11-01), Kozacka
patent: 3879696 (1975-04-01), Imajyo et al.
patent: 3947730 (1976-03-01), DeLuca et al.

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