Dustproofing device for thin vertically disposed camera
US4571043A · kind A · utility
4Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1983 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Sep 16, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dustproofing mechanism for a thin, disc film cartridge type camera having windows in its front wall for the camera viewfinder and objective lens includes a cover structure guided for movement to alternative positions opening or closing both windows and an operating member accessible through one of the windows is connected to the cover structure to permit the manual selective movement of the cover structure to the window open or closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.