Patent · US Active

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

US10952902B2 · kind B2 · utility

1Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2017
Grant dateMar 23, 2021
Priority date
Expiry dateNov 8, 2037

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.