Supports for cameras
US4044982A · kind A · utility
3Cited by
6References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 18, 1973 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Oct 18, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/041
- 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. Further, the support bearings include a hydrostatic control means which allows for adjustment of the bearing friction drag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.