Reversible fastening device

Abstract

Reversible fastening device of a helmet chin guard for motorcyclist or similar, by snap fit of parts interacting on the two sides of the chin guard and of the helmet, following the insertion, in the operating position, of the chin guard thanks to reciprocally cooperating guides, the device comprising, on each helmet side, a hook belonging to the chin guard and a hook belonging to the helmet, one of which is moveable and subjected to the action of a return spring and it is releasable by a user command, characterized in that at least the hook subjected to the action of the return spring is made of metallic material.

Dependencies are inferred from the claim text.