| 摘要 |
<p>This is a protective device for the head, comprising sectors which overlap each other following rotation around several hinges. Possible uses of the helmet according to the invention include the building site and fireman accident-prevention sector, the sports sector, such as a helmet for baseball players, rock-climbers, safari hunters, skiers and for snow and ice sports, for cyclists, polo-players, or as a motorbike or scooter helmet.</p> |
