Patent ID: 6842913

Claim:
A shield mounting device of a helmet, comprising: a base plate having a guide with a circular rim wall and fixed to a body of a helmet; a connection member formed on an inner surface of the shield and engaged to an inner surface of the guide; a locker assembled to an outer surface of the rim wall of the guide and locking or unlocking the connection member engaged to the guide; an insertion groove formed in an inner side of the rim wall of the guide; a protrusion piece formed on an outer surface of the rim wall; and an engaging piece formed on an outer surface of the connection member and inserted into the insertion groove, wherein said locker includes: a center hole into which the rim wall of the guide is inserted; a flange adapted to cover a part of an edge of the inner side of the center hole; an engaging piece through hole extended from the center hole to the flange wherein the engaging piece of the connection member passes through the engaging piece through hole; a first slot and a step part longitudinally formed at the same curvature as the rim wall of the guide wherein the protrusion piece is inserted and engaged to the first slot and step part; and a handle provided in such a manner that a user can easily rotate the locker.