| 摘要 |
A welder protection device (10) comprising a shell (1) and a transparent front cover (2) for protection of a wearer of the welder protection device (10), and an auto-darkening optical filter. The welder protection device (10) further comprises a retracting mechanism (4) arranged to move the optical filter optical filter (3) from an active position to a retracted position and vice versa, wherein
€¢ in the active position the optical filter (3) lies inside the welder protection device (10) and in the wearer's field of view, and
€¢ in the retracted position the optical filter (3) lies inside the welder protection device (10) and outside the wearer's field of view. |
