A - Human Necessities – 42 – B
Patent
A - Human Necessities
42
B
A42B 3/04 (2006.01) A61F 9/06 (2006.01)
Patent
CA 2094033
2094033 9303636 PCTABS00020 A welding helmet (10) includes a breath activated protective lens assembly (17, 90) which can replace a standard lens assembly of a conventional helmet. A new lens structure (18, 91) with a pneumatic device (20, 110) operates the protective lens (40, 100) within the lens structure (18, 91) and replaces the standard lens. The lens structure includes a slidably mounted frame (42, 102) with the protective lens (40, 100) mounted within the frame (42, 102) and encompassed by safety lenses and placed together in a package. A pneumatic device (20, 110) operated by the breath of the welder pushes the protective lens (40, 100) to cover an opening (88, 97) in the housing (34, 92) of the lens structure (18, 91) to protect the eyes of the welder during welding. Sucking on the mouthpiece (24, 122) or gravity allows the frame (42, 102) to drop and thereby leaves a clear view for the welder to see the fixture that is to be welded. The breath activated lens assembly (17, 90) can be added as a kit to a standard conventional welding helmet.
Bean Richard D.
Bean Richard D.
Marcus & Associates
LandOfFree
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