Multiple lens geometries for safety glasses
US8756720B2 · kind B2 · utility
1Cited by
93References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Mar 24, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A family of eye protectors for use with a variety of shapes and sizes of heads includes a plurality of different lenses with each lens having a selected curvature and selected height and profile parameters; and a manually adjustable nose engaging element carried on each lens. The nose engaging element can include a substantially U-shaped frame which has first and second deflectable, spaced apart members joined by a third member. A plurality of identical mounting elements can be proved wherein each mounting element holds one of said plurality of different lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.