Attachment system for replacement helmet respirator lens
US6102033A · kind A · utility
90Cited by
23References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1998 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Mar 10, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A replaceable lens attachment system for respiratory devices and methods of use. The replaceable lens attachment system includes a face shield having rotatable attachment members and a replaceable lens. The rotatable attachment members include cams and flanges. The attachment system may further comprise a helmet respirator with support elements disposed thereon. The method includes bowing the lens and inserting it into the frame. The rotatable attachment members are rotated to urge the lens into the frame and cover the frame. The flanges and support elements provide impact resistance to the lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.