| 摘要 |
<p>A protective helmet for a head and a method for reducing or preventing a head injury wherein the protective helmet is equipped with an outer shell made of a hard material and an interior head protection system, which is arranged on the inside of the outer shell and absorbs an impact with the head. The interior head protection system is subdivided into an insert on the shell side and an insert on the head side, and the mutually facing sides of the insert on the head side and the insert on the shell side correspond at least partially to one another. The insert on the shell side can be rotated in at least one direction with respect to the insert on the head side, wherein at least one elevation is provided on the insert on the shell side, such that this elevation engages in a recess which is larger than the elevation and is situated on the insert on the head side and/or at least one elevation is provided on the insert on the head side, engaging in a recess which is larger than the elevation on the insert on the shell side.</p> |
