Wedge and wedge adaptors
US4657216A · kind A · utility
6Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1985 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Aug 22, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M11/126
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A wedge and wedge adaptor for fixing television camera or the like, to such as pan and tilt heads wherein the combination of wedge and wedge adaptor provides for each of location, automatic lock of wedge to adaptor, safety lock, a full unlock position and a frictional unlock position wherein the weight of the camera on the wedge maintains the frictional unlock position to retain the wedge in the adaptor and permits the operator use of both hands for removal of the camera, the frictional unlock position advancing to the full unlock position as soon as the weight on the wedge is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.