Headgear including force absorbing features
US11291906B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2018 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Oct 11, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Headgear includes a base configured to engage the head of the wearer. A force absorbing structure is carried by the base. In some cases, the force absorbing structure includes a surface including a coarse macrostructure configured to facilitate absorbing forces applied to the headgear. The coarse macrostructure includes a plurality of protrusions, and at least one of the protrusions has a thickness of at least about 0.50 mm. In some cases, the force absorbing structure includes a porous macrostructure configured to facilitate absorbing forces applied to the headgear. The porous macrostructure includes a plurality of passageways each having a width of at least about 2.00 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.