Emergency breathing apparatus

Details Emergency breathing apparatus Emergency breathing apparatus

1977-02-07

1978-09-26

Recla, Henry J.

Surgery

Truss

Pad

2 5, 2205, A62B 700

Patent

active

041162374

ABSTRACT:
An emergency breathing apparatus which comprises a tubular frame and which carries a hood capable of extending over the head of an individual using the apparatus. The frame contains a pair of frame sections constructed of tubular members having internal chambers containing oxygen under pressure. The frame sections are normally shifted to a closed position and when opened, a switch on the frame permits the passage of oxygen into a plenum area surrounded by the hood. Moreover, the hood is capable of being attached to the individual in such fashion that an essentially air-tight plenum chamber is created around the face portion of the user of the apparatus. The apparatus also serves as a crash helmet inasmuch as the crown of the hood is reinforced. Moreover, the hood is provided with a two-way communication system which is automatically energized upon donning of the apparatus.

REFERENCES:
patent: 645408 (1900-03-01), Vajen
patent: 2488261 (1949-11-01), Bedini
patent: 2850011 (1958-09-01), Schaefer
patent: 3180333 (1965-04-01), Lewis
patent: 3521629 (1970-07-01), Reynolds
patent: 3895625 (1975-07-01), DeLest
patent: 3910269 (1975-10-01), Ansite et al.
patent: 4022201 (1977-05-01), Diggs

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