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US 12,004,585 B2Granted
Welding helmet
Assignee3M Innovative Properties Company
InventorBjörn Daniels
Life of this patent
Estimating the term…
Abstract
There is provided a welding helmet (1) comprising a face protection member (3) moveable between a lowered position in which the face protection member (3) covers a wearer's face, and an upraised position, in which the face protection member (3) uncovers the wearer's face, a headband suspension system (9) for fixing the face protection member (3) to a wearer's head, a protective cap (17) comprising a flexible outer layer (19) and at least one compressible inner liner (21).
Claims20
A welding helmet comprising:
- a face protection member moveable between a lowered position, in which the face protection member covers a wearer's face, and an upraised position, in which the face protection member uncovers the wearer's face;
- a headband suspension system for fixing the face protection member to a wearer's head;
- and
- a protective cap comprising a flexible outer layer and at least one compressible inner liner;
- wherein the at least one compressible inner liner of the protective cap is of a varying thickness.
2 more elements
A welding helmet comprising:
- a face protection member moveable between a lowered position, in which the face protection member covers a wearer's face, and an upraised position, in which the face protection member uncovers the wearer's face;
- a headband suspension system for fixing the face protection member to a wearer's head;
- and
- a protective cap comprising a flexible outer layer and at least one compressible inner liner, wherein the at least one compressible inner liner of the protective cap is of a varying thickness, wherein the at least one compressible inner liner of the protective cap consists of two or more discrete elements.
1 more element
A welding helmet comprising:
- a face protection member moveable between a lowered position, in which the face protection member covers a wearer's face, and an upraised position, in which the face protection member uncovers the wearer's face;
- a headband suspension system for fixing the face protection member to a wearer's head;
- and
- a protective cap comprising a flexible outer layer and at least one compressible inner liner, wherein the two or more discrete elements of the compressible inner liner are reversibly attached to each other.
1 more element
Dependencies are inferred from the claim text.