Fire alarm signal station

Details Fire alarm signal station Fire alarm signal station

1980-04-18

1981-07-21

Pitts, Harold I.

Communications: electrical

Systems

Signal box type

G08B 2500

Patent

active

042801206

ABSTRACT:
This disclosure relates to an apparatus for fire alarm signaling which is economical and versatile and which makes use of the properties and characteristics of the material of which it is made. All components of the assembly snap together. An auxiliary cover as well as the main cover may be used. A lower break-rod is mounted on the base and cammed aside as the main cover is closed and then the break-rod returned to a position to be broken in response to opening the main cover, an upper break-rod may be associated with the auxiliary cover. Up to three switches may be provided and each has a latched position. A simple tool is used to release the switch latch. The latch comprises an integral part of the base and/or switch stems. During assembly selected elements may be selectively oriented to make any switch have either normally-open or normally-closed contacts. The catch between the main cover and base permits easy actuation and yet inhibits false actuation in response to a blow. No internal wiring is required.

REFERENCES:
patent: 2594369 (1952-04-01), Verkuil

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