Snap-on sunglasses having a tension-exerting assembly
US5477281A · kind A · utility
Inventor
Key dates
| Filing date | Dec 14, 1994 |
| Grant date | Dec 19, 1995 |
| Priority date | — |
| Expiry date | Dec 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C5/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A new and improved snap-on sunglasses includes a first sunglass lens support assembly which supports a first lens frame portion. A first sunglass lens is supported by the first lens frame portion, and a first clamping arm assembly is supported by the first lens frame portion. A second sunglass lens support assembly supports a second lens frame portion. A second sunglass lens is supported by the second lens frame portion, and a second clamping arm assembly is supported by the second lens frame portion. The respective first and second clamping arm assemblies include respective clamping ends. A first variable length alignment assembly is connected between the first sunglass lens and the second sunglass lens, for maintaining the lenses in substantial co-linear alignment. A second variable length alignment assembly is connected between the first lens frame portion and the second lens frame portion, for maintaining the frame portions in substantial co-linear alignment. A tension-exerting assembly, which includes a spring, is connected between the first sunglass lens support assembly and the second sunglass lens support assembly. The tension-exerting assembly urges the first sunglass lens…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.