Adjustment device of the position of a first part with respect to a second part and protective helmet comprising one such device
US-9820523-B2 · Nov 21, 2017 · US
US2016249701A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016249701-A1 |
| Application number | US-201514631963-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 26, 2015 |
| Priority date | Feb 26, 2015 |
| Publication date | Sep 1, 2016 |
| Grant date | — |
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A headgear for a head safety product such as a face shield, hardhat or welding helmet includes a headband with hangers extending therefrom to engage the head safety product being worn, at least one crown strap engaged with the headband to support the headgear over the wearer's head and a self-adjusting elastomeric nape belt configured to extend over the occipital portions of the wearer's head. The elatomeric nape belt depends from symmetric rear strap extensions of the headband and is configured to elastically self-adjust to the occipital area of the wearer's head.
Opening claim text (preview).
What is claimed is: 1 . A headgear for a head safety product comprising: a headband at least partially encircling the wearer's head, the headband having a front portion configured to extend across a forehead area of the user and further having opposing rearward ends; a plurality of hangers extending from the headband; a crown assembly having engaged with the headband; opposing headband extensions extending downwardly and rearwardly from said opposing rearward ends of said headband; and an elastomeric nape belt having an elongated central body portion and opposing end portions extending from said central body portion, said opposing end portions being respectively anchored to said opposing headband extensions whereby said elastomeric nape-belt extends across occipital areas of the wearer's head and elastomerically self-adjusts to said wearer's head. 2 . The headgear of claim 1 wherein the opposing end portions of said nape belt include a plurality of longitudinally spaced anchor openings which releasably engage with anchors on said headband extensions whereby an elastic tension of said nape belt can be adjusted by selecting between said anchor openings. 3 . The headgear of claim 1 wherein said headband extensions further include slots, said opposing end portions of said nape belt extending through said slots and engaging said anchors. 4 . The headgear of claim 2 wherein said headband extensions further include slots, said opposing end portions of said nape belt extending through said slots and engaging said anchors. 5 . The headgear of claim 1 wherein said central body portion of said nape belt has at least one relief opening to facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 6 . The headgear of claim 2 wherein said central body portion of said nape belt has at least one relief opening to facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 7 . The headgear of claim 3 wherein said central body portion of said nape belt has at least one relief opening to facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 8 . The headgear of claim 4 wherein said central body portion of said nape belt has at least one relief opening to facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 9 . The headgear of claim 1 wherein said central portion of said nape belt has a plurality of longitudinally spaced relief openings which facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 10 . The headgear of claim 2 wherein said central portion of said nape belt has a plurality of longitudinally spaced relief openings which facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 11 . The headgear of claim 3 wherein said central portion of said nape belt has a plurality of longitudinally spaced relief openings which facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 12 . The headgear of claim 4 wherein said central portion of said nape belt has a plurality of longitudinally spaced relief openings which facilitate elastomeric conformation of the nape belt to the occipital areas of the wearer's head. 13 . The headgear of claim 9 wherein said plurality of longitudinally spaced relief openings comprises a central generally oval relief opening and symmetrically opposing generally trapezoidal relief openings having a longer dimensions extending toward the upper and outer corners thereof. 14 . The headgear of claim 10 wherein said plurality of longitudinally spaced relief openings comprises a central generally oval relief opening and symmetrically opposing generally trapezoidal relief openings having a longer dimensions extending toward the upper and outer corners thereof. 15 . The headgear of claim 11 wherein said plurality of longitudinally spaced relief openings comprises a central generally oval relief opening and symmetrically opposing generally trapezoidal relief openings having a longer dimensions extending toward the upper and outer corners thereof. 16 . The headgear of claim 12 wherein said plurality of longitudinally spaced relief openings comprises a central generally oval relief opening and symmetrically opposing generally trapezoidal relief openings having a longer dimensions extending toward the upper and outer corners thereof. 17 . The headgear of claim 1 wherein said central portion of said nape belt has an upwardly curved upper peripheral edge and a downwardly curved lower peripheral edge. 18 . The headgear of claim 2 wherein said central portion of said nape belt has an upwardly curved upper peripheral edge and a downwardly curved lower peripheral edge. 19 . The headgear of claim 3 wherein said central portion of said nape belt has an upwardly curved upper peripheral edge and a downwardly curved lower peripheral edge. 20 . The headgear of claim 4 wherein said central portion of said nape belt has an upwardly curved upper peripheral edge and a downwardly curved lower peripheral edge.
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