Vehicle helmet

Details Vehicle helmet Vehicle helmet

1993-02-10

1994-09-13

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2424, 21713, A42B 302

Patent

active

053456149

ABSTRACT:
A vehicle helmet, including a cap body comprised of a shell and a shock absorbing liner fitted to an inner surface of the shell, and a longitudinally extending air duct which is provided in a wall of of the cap body, such that the inside of the cap body can be ventilated through the air duct, wherein at least a portion of the shock absorbing liner is divided into an outer layer on the side of the shell, and an inner layer superposed on an inner surface of the outer layer, the inner and outer layers having recessed grooves provided in opposed surfaces thereof to define an air duct, the inner layer having a vent hole. Thus, air-stream flowing into the air duct can flow at a high rate without any leakage, thereby reliably performing a ventilation of the inside of the cap body.

REFERENCES:
patent: 3783450 (1974-01-01), O'Connor
patent: 4006496 (1977-02-01), Marker
patent: 4115874 (1978-09-01), Hasegawa
patent: 4519099 (1985-05-01), Kamiya et al.
patent: 4555816 (1985-12-01), Broersma
patent: 4704746 (1987-11-01), Nava
patent: 5086520 (1992-02-01), Arai
patent: 5136728 (1992-08-01), Kamata

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