Damping mechanisms
US4177884A · kind A · utility
4Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1978 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Jun 2, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention comprises an adjustable damping mechanism for such as pan and tilt heads comprising two or more mateable surfaces operating with lubrication wherein the pressure of one surface on the other is variable and combines solidity when stationary, drag proportional to velocity in movement up to whip pan velocity after which the drag remains substantially constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.