Spectacle frame
US4747680A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1985 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Jun 3, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C5/008
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spectacle frame comprises a pair of plastic rim members suitable for containing individual lenses therein and formed in an open ring-like shape, each of the rim members having at the ends of the open ring thereof a pair of coupling portions in which the rim members are closed by the coupling portions being coupled to each other, a pair of temple members, and fastening means provided to fasten the coupling portions to each of the rim members. The fastening means includes a metal member having one end provided with an internal thread and the other end provided with a hinge piece coupled to one of the pair of temple members, a portion of the metal member including the one end being embedded in one of the coupling portions, and a male screw threadably engaged with the internal thread through the other of the coupling portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.