Patent ID: 7748059

Claim:
A helmet which comprises a helmet body which defines front and back sides relative to wind flow, right and left ventilation covers attached to the body to extend generally in parallel with wind flow, said ventilation covers including facing sides walls which define respective openings that are in register with one another, an adjustable rectifying member positioned between said left and right ventilation covers, said rectifying member providing an upper surface over which wind can flow and left and right sides which define indentations respectively aligned with the openings in the facing side walls of the right and left ventilation covers, and respective left and right support mechanisms in said left and right ventilation covers, each support mechanism including a support body attached to the helmet body which includes a bearing member that defines a biasing means at a forward end and ratchet steps at a rearward end, and a fitting member which is pivotally mounted at a forward end and defines ratchet teeth at a rearward end, said ratchet teeth cooperating with said ratchet steps to provide a ratchet mechanism, said fitting member including a fitting element which extends through a respective opening in the side wall of the associated ventilation cover and into an indentation in an adjacent end of the rectifying member to achieve forward, rearward and rotational adjustment of the rectifying member.