Crane rigging lighting system and method
US9067768B1 · kind B1 · utility
1Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Dec 12, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V33/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides devices and methods for remotely illuminating the hook assembly and/or other load-end portions (e.g., a ball hook, block hook, crane spreader-bar and the like) of a crane rigging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.