发明名称 Helmet equipped with ventilator
摘要 A helmet having a shell and a face shield for closing an opening of the shell and equipped with a ventilator for ventilating the space between the face shield and the face of the wearer of the helmet. The air flowing into or out of the space for ventilation forms a stream along the inner surface of the face shield.
申请公布号 US4498202(A) 申请公布日期 1985.02.12
申请号 US19830469246 申请日期 1983.02.24
申请人 YAMAMOTO KOGAKU CO., LTD. 发明人 YAMAMOTO, TAMENOBU
分类号 A42B3/24;A42B3/28;(IPC1-7):A42B3/02 主分类号 A42B3/24
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