Goggle with a renewable protective surface
US4428081A · kind A · utility
60Cited by
3References
15Claims
0Family size
Inventor
Key dates
| Filing date | Jul 14, 1982 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Jul 14, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for providing a removable surface for protecting the lens of a viewing device such as a goggle. The apparatus includes a supply magazine for holding a protective film and a take-up magazine for receiving and holding spent film. The magazines are mounted oppositely and in spaced relation adjacent the lens to be protected. A film advance mechanism is provided for advancing the film from the supply magazine across the lens to a take-up magazine and a manual actuator is provided for the advancing mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.