Patent ID: 9009862
Filing Date: 2015-04-21
Classification: A61F,F21V

Abstract:
1. A welding helmet equipped with a light switching window, including a helmet body portion which protects the worker's face and a cartridge which blocks harmful light generated during welding to protect the worker's eyes, comprising: a light switching window formed on a side surface of the helmet body portion such that external light is transmitted or blocked by the light switching window, wherein the light switching window comprises a semitransparent window and a light switching cover, the semitransparent window is formed, at a tip end thereof, with an axial protrusion, and an axial portion, in which the axial protrusion is fitted and coupled in an axial groove formed at a tip end of the light switching cover, is formed such that the light switching cover is rotatable about the axial portion.