Protective headgear equipment with respirator and optical shield
US7549420B2 · kind B2 · utility
7Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2003 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Jan 17, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B7/14
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention concerns a protective headgear comprising a respirator (2) capable of being connected to a breathing mixture source, an eye protecting shield (5) and first (32) and second (56) lock elements, respectively located on the respirator (2) and on the shield (6) and adapted to co-operate with each other to secure the shield (6) to the respirator (2), when the respirator is in its use position on the user's face, the first (32) and second (56) lock elements being adapted to be mutually engaged and interlocked by a movement bringing the shield (6) closer to the respirator (2), from above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.