Foldable hinge system with quick -change visor for helmets

摘要

foldable hinge system with quick -change visor for protective helmets (1),marked by it,that a quadrilateral system (A) is installed for optimal movement of the visor,which with a top,Helm -close joint for lower rotation (2) upper,the middle joint (3) and the upper outer joint (4) for the upper rotation and the lower;the outer joint (5) is equipped for the lower rotation and the upper positions of the joint (2 and 3) have been carried out with minimal distance to the helmet in order to achieve a minimum overhang and a maximum reduction of the acceleration and resistance forces in the case of high -tilted visors (6) reach.