Device for protecting the operating section of a camera from water drops and dust
US4244591A · kind A · utility
16Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 11, 1979 |
| Grant date | Jan 13, 1981 |
| Priority date | — |
| Expiry date | Sep 11, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Water- and dust-proof connections between movable components mounted externally on a camera and the camera casing are achieved by using a viscoelastic sheet inserted at one end into either the component or casing and frictionally engaging the other to provide the leak-proof seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.