Patent ID: 6591424
Filing Date: 2003-07-15
Classification: A42B,A61F

Abstract:
A welder helmet comprising:a curved shield holder defining front and rear sides, and having horizontally spaced apart left and right ends; a head set disposed rearwardly of said shield holder and mounted pivotally to said left and right ends; a fixed face shield extending downwardly from said shield holder; a movable face shield disposed frontwardly of said fixed face shield, and having an upper edge disposed adjacent to said shield holder; and a coupler unit coupling said movable face shield on said shield holder, and including a pivotal member in the form of a hollow body that is fixed on and that extends outwardly and frontwardly from said front side of said shield holder to define a chamber therein, and that has a front end stopper and that is formed with a pair of diametrically opposing slots extending rearwardly from said front end stopper, a bracket which is fixed on said upper edge of said movable face shield and which includes a looped portion that is hung on said hollow body and that has an engaging portion extending into said chamber and spanning said slots so as to permit turning of said movable face shield relative to said hollow body, and a spring-biased limiting unit which is mounted within said chamber and which is disposed rearwardly of said engaging portion for urging said engaging portion to abut against said front end stopper, thereby arresting unforced rotation of said movable face shield relative to said hollow body.