Cellular raceway
US4986045A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Jul 13, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/283
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cellular raceway constructed of roll formed pieces all welded together including a base member, an upper member, and a barrier. The base member has a center section and outboard sections with ribs respectively connecting the center section to the outboard sections. The upper member has a center section disposed over the base center section, outboard sections respectively disposed over the base outboard sections together with outboard walls extending toward and welded to the base outboard sections. The barrier may comprise angle pieces or a hat-shaped piece. The barrier provides electrical separation for the forming of power and communication cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.