Strap attachment for a sports helmet
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 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.
1. A strap attachment for a sports helmet comprising:
a chin strap having a plurality of evenly spaced apertures;
a male quarter turn fastening member having a fastener head fixedly connected to a locking member, wherein the locking member comprises a male post with an arrow-shaped portion at a distal end of the male post, wherein the arrow-shaped portion lies along an insertion plane,
and wherein the fastener head has cut out regions aligning with the insertion plane;
wherein the fastener head cut out regions are on opposing sides of the fastener head creating a secure finger gripping;
a female fastening member fixedly attached to an inside wall of the sports helmet,
the inside wall having an aperture configured to align with retaining aperture of said female fastening member and any of the plurality of evenly spaced apertures on the chin strap to form an opening, wherein the opening is adapted to receive the arrow-shaped portion of the locking member;
a cover plate enclosing said female fastening member; and
a cushioning member enclosing said cover plate.
2. A strap attachment for a sports helmet as claimed in claim 1 wherein:
said chin strap apertures are oblong shaped; and
said central post having a matching oblong cross section making it easier to align an orientation of said male quarter turn fastening member with a proper orientation of said female quarter turn fastening member.
3. A strap attachment for a sports helmet as claimed in claim 1 , wherein the male quarter turn fastening member is molded from rigid plastic.
4. A strap attachment for a sports helmet as claimed in claim 1 , wherein the female fastening member has a pair of ramps on an exposed surface adapted to guide the arrow-shaped locking member into a locking position.
5. A strap attachment for a sports helmet as claimed in claim 1 , wherein the cushioning member is a polyfoam block.