Protective headgear assembly
US8161576B2 · kind B2 · utility
24Cited by
52References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2007 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Sep 16, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention generally relates to protective headgear worn by a user to protect his eyes, head, and face. More particularly, the present invention is directed to a protective headgear assembly used by welders and the like wherein a headgear strap can be tightened or loosened upon the ratcheting of a knob connected to the headgear strap. The headgear strap can also be automatically disengaged for removal of the headgear by pulling the knob away from the user's head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.