Vertical motion pendant arm
US8070120B2 · kind B2 · utility
10Cited by
101References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2009 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Jun 1, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/063
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Embodiments of the invention provide a vertical motion pendant arm for supporting an enclosure at a desired height. The vertical motion pendant arm can include an enclosure mounting assembly, a support mounting assembly, and one or more connectors. The vertical motion pendant arm can also include a drawbridge mechanism having a rotatable worm, a rotatable gear that engages the rotatable worm, one or more drawbridge arms coupled to the rotatable gear, and one or more gas springs coupled to the drawbridge arms and the connectors. The gas springs can provide a counterforce to the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.