Eyeglass frame
US7422322B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 4, 2006 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Apr 13, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An easily connected and assembled eyeglass frame comprises a frame, a pair of temples and two connecting assemblies, both sides of the frame are provided with a recess, the recess is provided with an upper and a lower column-shaped hole respectively. The connecting assembly is connected to the temple, two cantilevers extend from an upper end, an upper column protrudes upward from one of the cantilevers, a lower column protrudes downward from the other cantilever. The upper and lower columns are engaged in the upper and the lower column-shaped holes respectively. The top ends of the upper column and the upper column-shaped hole are provided with a cross-shaped shallow groove or a cross-shaped protrusion respectively that are engaged with each other. The frame and the temples are connected without using screws, which can reduce the cost. In addition, the temples are symmetrical, and the connecting assemblies have good elasticity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.