Cyclist helmet with multiple apertures rim

Details Cyclist helmet with multiple apertures rim Cyclist helmet with multiple apertures rim

A - Human Necessities

42

B

A42B 3/28 (2006.01) A42B 3/06 (2006.01) A42B 3/12 (2006.01) A42C 2/00 (2006.01)

Patent

CA 2284130

The helmet (20) includes a shell (22), made of polystyrene, and a rim (24), made of polypropylene and integrally connected to the shell (22). Both the shell (22) and the rim (24) have air ventilation apertures (27, 28). Chin straps (26) integrally depend from the internal face of the shell (22). The shell (22) and the rim (24) are interconnected by cross-sectionally L-shape fingers (30), integral to the rim (24), and complementary cavities (32a), made in the shell peripheral edge (32) and engaged by the fingers (30). The rim apertures (28) are obliquely inclined at the lateral sides thereof, to promote air ventilation around the wearer's head. A set of arcuate metallic wires (38), embedded into the helmet (20) and preferably made of titanium, may also integrally interconnect the shell (22) to the rim (24).

Casque (20) comprenant une coque (22) de polystyrène et un bord (24) en polypropylène d'un seul tenant avec la coque (22). La coque (22) et le bord (24) présentent tous deux des ouvertures (27, 28) de ventilation. Les bandes (26) de la mentonnière sont intégrée à la surface intérieure de la coque (22). La coque (22) et le bord (24) sont reliés par des ergots (30) présentant un profil en L, intégrés au bord (24), et des ouvertures (32a) complémentaires pratiquées dans le pourtour du bord (32) de la coque, dans lesquelles les ergots (30) viennent s'insérer. Les ouvertures (28) dans le bord présentent des bords latéraux inclinés pour favoriser la circulation d'air autour de la tête de l'utilisateur. Un ensemble de câbles (38) métalliques arqués encastrés dans le casque (20) et formés de préférence de titane peuvent en outre relier de manière continue la coque (22) au bord (24).

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