Emergency air vent structure

Details Emergency air vent structure Emergency air vent structure

1978-05-01

1981-12-08

Downey, Kenneth

Movable or removable closures

Thermal releaser or actuator

Nonfusible

49 13, 49 31, 49141, 49379, E05F 1520

Patent

active

043040705

ABSTRACT:
An emergency air vent structure actuated by smoke, gas or oxygen deficiency sensors to permit the influx of fresh air to an enclosure. The emergency air vent structure is characterized by a spring-actuated panel which is released by means of a rocker arm and latch actuated by a solenoid which solenoid is operated by any one of a number of detectors such as smoke, gas or oxygen deficiency. Upon opening of the panel, an alarm is sounded giving an audible warning of the unsafe conditions within the building.

REFERENCES:
patent: 509116 (1893-11-01), Callahan
patent: 3800687 (1974-04-01), Nozawa
patent: 3818635 (1974-06-01), Morita
patent: 4068417 (1978-01-01), Anghinetti
patent: 4090437 (1978-05-01), Bogaert

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