Light rotation assembly
US8267558B1 · kind B1 · utility
3Cited by
9References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | May 22, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q3/85
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A light fixture for and method of rotating a rotatable light source. The light fixture having a flange with a rotating member positioned within the flange. The rotating member houses a light source. A first self-lubricating ring is located proximal to the front of the flange and at least partially encircles the rotating member. A second self-lubricating ring is located distal to the front of the flange and also at least partially encircles the rotating member. A compression device, held in place by a retaining ring, is located behind the second self-lubricating ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.