Sports headgear apparatus
US7186159B1 · kind B1 · utility
36Cited by
8References
15Claims
0Family size
Inventor
Key dates
| Filing date | Jan 23, 2006 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Jan 23, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C9/21
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A sports headgear apparatus includes a head covering that has a concave inner surface and a convex outer surface. The head covering comprises a panel that has a substantially semi-spherical shape. The panel has a bottom perimeter edge defining an opening into the head covering. A perimeter tube is attached to and is coextensive with the bottom perimeter edge. The tube is substantially airtight. A canister having compressed air therein is fluidly coupled to the tube. A pressure sensitive valve is fluidly coupled to the to canister and opening the canister when the pressure sensitive valve detects a predetermined water depth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.