Helmet equipped with device for supplying atmospheric air

Details Helmet equipped with device for supplying atmospheric air Helmet equipped with device for supplying atmospheric air

1983-02-24

1985-03-05

Recla, Henry J.

Surgery

Respiratory method or device

Means for keeping viewing member clear

12820125, 12820512, A62B 704

Patent

active

045024804

ABSTRACT:
A helmet comprising a face shield and a device for supplying atmospheric air to the interior of the helmet. The device has filters for removing dust particles and noxious substances from the atmospheric air to be drawn in and supplied to the inner surface of the face shield.

REFERENCES:
patent: 2365779 (1944-12-01), Schwab
patent: 3223086 (1965-12-01), Denton
patent: 3736927 (1973-06-01), Misagi
patent: 4083065 (1978-04-01), Warncke
patent: 4115874 (1978-09-01), Hasegawa
patent: 4402316 (1983-09-01), Gadberry

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