| 摘要 |
<p>Crash helmet provided with a visor (1) housed flush, which visor is provided, at its left and right sides, with a visor-holder (2) substantially shaped as a circular section, which is properly formed and provided with sliding and locking means (18,19,20), said visor-holder (2) being elastically coupled to sliding means which allow said visor (1) to perform simple and continuously combined multidirectional movements, said movements allowing said visor (1) to leave its peripheral seat, rotate rearwards, and clearing the visual field.</p> |
