Device for dividing the air flow entering in a helmet into a cen

Details Device for dividing the air flow entering in a helmet into a cen Device for dividing the air flow entering in a helmet into a cen

1987-06-15

1988-03-22

Joyce, Harold

Apparel

Guard or protector

For wearer's head

21713, 2436, A42B 302

Patent

active

047318856

ABSTRACT:
A device to direct on the vizor the central part of the air flow entering from the helmet's front grating, while the other two air flows entering through lateral slots (12,12') are directed sidewise. The entry of the lateral air flows can be adjusted by means of hinged valves (30) made of flexible plastic material, the hinged ends of said valves being oriented toward the center line of the helmet, the valves being shifted by sliders (50) engaging with inclined plane (34) of the valves themselves.

REFERENCES:
patent: 4498202 (1985-02-01), Yamamoto
patent: 4538303 (1985-09-01), Schnitzler
patent: 4612675 (1986-09-01), Broersma
patent: 4615052 (1986-10-01), Hava
patent: 4667348 (1987-05-01), Sundahl

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