Multi-layer helmet and method for making the same
US11871809B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2022 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Apr 1, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/064
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A protective helmet to be worn by a player engaged in a sport comprises a flexible outer shell and a multi-layer liner assembly disposed within the outer shell. The multi-layer liner assembly includes an inner-layer, a middle-layer and an outer-layer, and permits relative rotational movement between said layers when the helmet is worn by the player and receives an impact. The inner-layer is made from a first material with a first density and is mechanically coupled to the outer-layer without adhesive. The outer-layer is made from a second material with a second density that is greater than the first density of the inner-layer. The middle-layer is made from a third material that has a third density that is greater than the first density. The outer-layer also has a thickness that is greater than a thickness of the inner-layer and varies between a front region of the outer-layer and a crown region of the outer-layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.