Rimless spectacles
US6588894B2 · kind B2 · utility
1Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 2002 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | May 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C1/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spectacle lens (2) has a first through-hole (22) into which a stud (16) formed in an end piece. The first through-hole (22) and the stud (16) have corresponding non-circular cross-sectional profiles. In the stud and in a contact portion of the end piece, a second through-hole (18) is formed, with a pin (24) being inserted therein, the pin having a head (28) which, with its lower side, abuts on the spectacle lens (2) on the side thereof facing away from the contact portion (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.