| 摘要 |
<p>Semi-rigid helmet to protect the frontal, temporal, occipital and parietal parts of the head that is meant to be used during sporting activities, particularly roller hockey. The aforementioned helmet is made up of a series of at least two plates (1) glued together; the aforementioned plates (1) are cut in the shape of a rounded rectangle which covers both the front and sides of the head; two trapezoidal extremities further cover the sides of the head. The aforementioned helmet is also equipped with vents (2) on the sides and an adjustable fastening system at the back (3) and it is held place by a velcro strap (4) which is be adjusted under the chin.</p> |
