Patent ID: 7308719

Claim:
A front surface opened welding mask, to which an LCD shielding screen is connected, to protect user's eyes from strong harmful rays generated during welding, comprising: a connection opening formed through the central portion of a welding plane and provided with a receiving portion formed along the edge thereof so that the LCD shielding screen is mounted on the connection opening, said receiving portion comprising a latching protrusion formed on the lower side surface thereof and connection spaces, each having opened front and left or right portions, formed at both sides of the upper side surface thereof; a front cover comprising a transparent window connected to the central portion thereof, a latching groove formed in the lower side surface thereof correspondingly to the latching protrusion, and connection pieces, each having a connection hole, formed on the upper side surface thereof and connected to the corresponding connection spaces; and buttons, inserted into the corresponding connection spaces, each comprising an elastic member formed therein, bent in a zigzag shape, and exerting designated elastic force, a hook protrusion formed on the central portion thereof and inserted into the connection hole of the corresponding one of the connection pieces, and a press portion formed on the outer surface thereof and pressed by a user's hand for separating the hook protrusion from the connection hole of the connection piece.