Environmentally protected camera with an interchangeable drawing type finder
US4209247A · kind A · utility
12Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1978 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Dec 15, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera having an interchangeable finder with rails or rail grooves that is detachably mounted on a camera body by being moved back and forth. The camera body has rail grooves (or rails) engaging the interchangeable finder. A viscoelastic member and a resin member or a metal member are secured in combination to the interchangeable finder of the drawing type or the camera body. When the interchangeable finder of drawing type is mounted on the body, the resin member or the metal member abuts against the camera body or the interchangeable finder of drawing type to thereby establish an environmental seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.