Patent ID: 8458822

Claim:
A helmet comprising: a main body defining a space adapted to receive a head of a wearer; a holder that is elastically coupled to the main body to be capable of pivoting and has a pushing member; and a face shield that is detachably coupled to the holder so that the wearer can securely obtain a viewing field; and a stopper that maintains or releases an open state of the holder when the holder pivots to the open state, wherein the stopper comprises: a housing; a hook member that is elastically installed inside the housing and has a pair of folders; and a locking/unlocking unit for moving the folders of the hook member into the housing or out of the housing an elastic force, wherein the locking/unlocking unit comprises: a wire member that is pivotally installed in the housing; two passages that are formed on the hook member, the wire member to be disposed and advanced along the passages; and two inclined grooves that are formed between the passages, connected to the passages, and inclined in an opposite direction to each other, wherein the locking/unlocking unit defines a recessed point where the inclined grooves meet so that a front end of the wire member is hooked in the recessed point to hold the holder in the open state.