| 摘要 |
A strap attachment for a helmet with a chin strap, a male quarter turn fastening member, a female quarter turn fastening member, a female fastening member cover plate and a polyfoam padding block. The chin strap has a plurality of apertures. The male fastening member has a dome shaped top portion and a centrally located post attached to its underside. The dome shape is trimmed inwardly creating a secure finger gripping location. The post terminates in an arrow shape. The female fastening member is attached to the inside wall of the sports helmet. The helmet wall has an aperture aligning with the the male and female fastening member location. The cover plate placed over the female fastening member. The padding block covers the female fastening member cover. The male fastening member inserted into the female member and turned ninety degrees to lock the two fasteners together. |
