Worm gear drive aiming and locking mechanism
US7434967B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2005 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Jun 13, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V17/168
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to a one embodiment of the instant invention an adjustable downlight assembly comprises a collar, a yoke adjustable through an arcuate distance, the yoke pivotally connected to the collar, and a worm gear drive assembly operably engaging the yoke and the collar for pivoting the yolk about a horizontal axis. The worm gear drive assembly comprises a worm and a gear. The worm gear drive assembly is adjustable by rotation of the worm. The adjustable downlight assembly further comprises a biasing member fastened to a casting, the casting extending from an inner surface of the collar. The worm gear drive assembly inhibits unintentional movement of the yoke after adjustment is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.