Integral helmet

Details Integral helmet Integral helmet

1985-10-29

1987-11-10

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2425, 2436, 21713, 21845, A42B 300

Patent

active

047047461

ABSTRACT:
The chin piece of a helmet (A) having a visor has a horizontal channel to convey air from apertures to the interior of the helmet and, specifically, to strike the inner surface of the visor to avoid fogging of the visor. The helmet also has side intercepting elements. Each intercepting element is a rotating non-projecting cap to convey air into or from the interior of helmet or to close air communication. An aperture in the top of the helmet increases air circulation and is covered for suction discharge of air to the exterior.

REFERENCES:
patent: 654432 (1900-07-01), Borrow et al.
patent: 707486 (1902-08-01), Wolbrecht
patent: 4101980 (1978-07-01), Stepan et al.
patent: 4434514 (1984-03-01), Sundahl et al.
patent: 4519099 (1985-05-01), Kamiya et al.
patent: 4538303 (1985-09-01), Schnitzler
patent: 4553270 (1985-11-01), Hoffmann
patent: 4555816 (1985-12-01), Broersma
patent: 4581774 (1986-04-01), Chaise
patent: 4612675 (1986-09-01), Broersma
patent: 4622700 (1986-11-01), Sundahl
patent: 4653123 (1987-03-01), Broersma

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