Lightweight tilt mounting heads
US4466590A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1982 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Mar 25, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tiltable mounting with a tilt counterbalancing mechanism, the mechanism being connected between the tilting platform and the base and comprising a base connected member to which a slide is pivoted; the slide having an end restrainer fitted at each end; springs sandwiched between two plates slidable along the slide but not past the restrainers, plate position controlling arms pivoted to the tilting platform to force one of the plates; dependent on direction of tilt; to compress the springs against the other plate which is prevented from sliding by its associated restrainer. The ratio of the angular movement of the tilting platform and the slide being 2:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.