Eyewear having an arcuate flexural member
US8602552B2 · kind B2 · utility
5Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2012 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 28, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C5/143
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An eyewear article having a flexing portion including first and second longitudinally disposed ribs is disclosed. In an exemplary embodiment, the flexing portion has a radius of curvature that is less than 80 mm. The eyewear article of the present invention provides a balance of fit and comfort suitable for a range of user head sizes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.