04698856 is referenced by 22 patents and cites 7 patents.

This invention provides a helmet provided with a ventilation arrangement wherein a duct defining an air intake opening is mounted on a window edge of the forehead of a helmet body, and within the helmet body a guide groove in communication with a blowing opening of the duct is formed by cutting a side cushion mounted internally of a shock absorbing liner and an air outflow groove is defined by cutting a part of the side cushion positioned on the side of the back of the head.

Title
Ventilated helmet
Application Number
6/910412
Publication Number
4698856
Application Date
September 22, 1986
Publication Date
October 13, 1987
Inventor
Michio Arai
12, Azuma-cho 2-chome, Ohmiya-shi, Saitama-ken
JP
Agent
Popper Bobis & Jackson
IPC
A42B 3/00
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