| 摘要 |
FIELD: personal use articles. ^ SUBSTANCE: protective helmet comprises body, which represents dome in the form of semi-ellipsoid with longitudinal stiffening rib and with truncated plane in forehead part, and also inner fittings. On body surface along the edge of dome peripheral part there are six equidistant ledges that form seats of identical shape on inner side. On lateral sides of dome there are two slots oppositely installed for fixation of antinoise headphones, as well as two groups of ventilation holes. At the same time stiffening rib has semicircular convex shape, sides of which are formed by two symmetrical broken lines, which expand in central part of body and narrow in cervical and forehead parts. At the same time stiffening rib in cervical part smoothly merges with surface of body, and cut plane in front body is arranged on stiffening rib. At the same time helmet fields are arranged as of different sizes, with gutter, expanding towards peak in cervical and side parts, and outer edge of peak has smoothly rounded shape also with gutter, and inner edge of peak repeats part of helmet dome contour in plan. Fittings are additionally provided with brackets for fixation of pelerine. ^ EFFECT: invention is aimed at development of helmet, which provides for comfortable conditions of human labour due to expansion of its functional capabilities. ^ 5 dwg |
