Supports for cameras
US4010923A · kind A · utility
10Cited by
5References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 30, 1974 |
| Grant date | Mar 8, 1977 |
| Priority date | — |
| Expiry date | Oct 30, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/022
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This invention relates to supports for cameras and the like on tripods. Such supports normally provide for tilting and panning of the camera. The invention is concerned with the smooth operation of the support bearings and includes means for maintaining between two relatively rotating surfaces a thin film of a suitable liquid and means for adjusting the thickness of the liquid film between the rotating surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.