发明名称 Protective mask
摘要 A protective helmet is provided with a detachable wire face guard firmly secured in protective relation to the sides and peak of the helmet in mutual reinforcing relation therewith. The lightweight, fully ventilated mask affords a high degree of protection, with a wide, substantially unobstructed field of view, and is well suited for use by game playing youngsters such as those playing in the Little Leagues. A close coupled upper beam portion of the mask positioned, in use, above the normal field of vision of a user has a plurality of stiffening web members extending between upper and lower chord members of the upper beam portion of the mask. A mask lower beam portion is spaced downwardly from the upper beam portion in relatively inclined relation thereto and defining in use a major visual field therebetween, being spaced apart a distance sufficient to prevent substantial ingress of a predetermined standard sized object such as a baseball therebetween. Web portions of the lower, face protective portion of the mask are downwardly and rearwardly inclined in angled relation relative to the upper beam portion of the mask, to afford significant frontal stiffening to the lower beam portion.
申请公布号 US4933993(A) 申请公布日期 1990.06.19
申请号 US19890303852 申请日期 1989.01.30
申请人 MCCLELLAND, J. B. 发明人 MCCLELLAND, J. B.
分类号 A42B3/20;A63B71/10 主分类号 A42B3/20
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