Protective helmet

Abstract

Protective helmet to be worn and to protect the head of a user against impacts and including a rigid outer shell delimiting an inner space for housing the head of user and including a front opening. The protective helmet includes a shield removably coupled to the outer shell and adapted to move at least between an operative position wherein the shield covers the front opening without allowing entrance of air in the inner space and an inoperative position wherein the inner space is accessible from the outside through the front opening, the shield being provided with a front hole. The protective helmet includes a locking device to lock the shield in the operative position. The locking device is positioned on the outer shell and includes a rotatable engaging member to engage the front hole of the shield when in the operative position.

Dependencies are inferred from the claim text.