| 摘要 |
Mechanism to removably anchor a side area (3) of a visor (20) to the cap ( 2) of a helmet so that the visor rotates in relation to the eyeport opening (12 ) of the helmet, of the type comprising: - a base structure (1), anchored to the cap, and provided with at least one circular guide groove (4a) substantially orthogonal to the axis of rotation (A-A) of the visor and which has at least one widened portion defining an opening (5a); - at least one hooking element (22a) integral with said side area of the visor and suitable to engage slidingly inside the circular groove, the hooking element being held in place by the circular guide groove except when corresponding to the opening defined by the widened portion; The mechanism also comprises at least one locking tab (6) substantially positioned corresponding to the widened portion and made to translate, along an axis coinciding with or substantially parallel to the axis of rotation (A-A) of the visor, between a position in which said locking tab intercepts the widened portion, reducing the opening (5a), and a position in which the locking tab is disengaged from the widened portion and frees the opening (5a).
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