Protective eyewear with retractable protective shields
US5422684A · kind A · utility
Inventor
Key dates
| Filing date | Apr 23, 1992 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Apr 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A form of protective eyewear having retractable eyeshields which protect the wearer's eyes from injury from mechanical, chemical or radiation hazards. The eyeshields have an extended position and a retracted position. In one embodiment, a mechanical actuator moves the eyeshields between the extended position and the retracted position. In another embodiment, the shields contain an inflation chamber which moves the eyeshields between the extended position and the retracted position. The eyewear may be in the form of corrective eyeglasses, sunglasses, safety glasses or safety goggles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.