| 摘要 |
<p>A helmet (1) including a first semispherical bowl member (2) associated with a second member (3) by means of releasable engagement lever (7). The first and second members (2, 3) define at least an assembled condition, wherein said helmet (1) is in an operative condition, and a disassembled condition, wherein the helmet (1) is in a non operative compact condition. The engagement lever (7) may lock the members (2, 3) together in both the operative and non operative conditions.</p> |
