| 摘要 |
Locking device of the visor for helmets for motorcyclists, of the type comprising a plate (1) integral with the helmet cap through a pin, a visor (3) and a cylinder (9) opposite to a prewound spring for the engagement in notches (20, 21) obtained in the edge of the visor opening; the device comprises a lid (2) which revolves within an opening obtained in the body of plate (1) integral with a locking cylinder (16a) opposite to a prewound spring and connected to a stop arm (15), suitable to be led through the rotation of lid (2) in a first notch (11) obtained in the cylindrical body (5) of plate (1) causing at the same time the engagement of said arm (15) in a notch (22) of the visor, realizing in this way the locking of the visor; the rotation of the lid in the opposite direction leads the locking cylinder (16a) in another notch (12) of the plate and disengages arm (15) from the visor, allowing in this way the rotation of the visor between the two open and closed positions. <IMAGE> |
