SHIELD FOR WELDING JOBS Russian patent published in 2012 - IPC A61F9/06 F16P1/06 

FIELD: process engineering.

SUBSTANCE: invention relates to welding and may be used for welder protection. Proposed shield comprises actuator secured thereon, vision slit and holder with light filter arranged to close/open vision slit, spring, tip and air line. Tip end is arranged nearby lips. Actuator is made up of bellow with rod. Air line is fixed on face shield and has its one end connected with tip and another end connected with bellow. Bellow rod is articulated with light filter turning about holder pin. Spring is secured on holder and face shield.

EFFECT: better conditions of work, higher efficiency and simplified design.

12 cl, 3 dwg