Patent · US Active

Automatic darkening filter assembly for a welding protector and a welding protector

US11376162B2 · kind B2 · utility

0Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 2021
Grant dateJul 5, 2022
Priority date
Expiry dateMar 19, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/14
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An automatic darkening filter assembly for a welding protector and a welding protector that includes the automatic darkening filter assembly. The automatic darkening filter assembly has a housing that forms an opening in which a switchable light filter is arranged. The switchable light filter is retained by a first and a second resilient gasket that are arranged on opposite sides of the switchable light filter and which each extend circumferentially adjacent a periphery of the switchable light filter. The invention helps maximizing the robustness of the welding protector and facilitates assembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.