| 摘要 |
<p>TITLE OF THE INVENTION Method of and means for holding a securing member in an existing attachment slit A tongue or other insert part of a securing member for accessories such as ear muffs, is held in place in an attachment slit at the rim of a protective helmet by a substantially wedge-shaped locking adaptor provided with barbs or saw-teeth engaging in recesses in the tongue of the securing member. The locking adaptor, together with tongue of the securing member, substantially fills the attachment slit, thus wedging the securing member in position. The barbs or saw-teeth may be formed on the tongue of the securing member and complementary recesses formed in the wedgeshaped adaptor.</p> |
