Rung or upright for cable ladder cable ladder and process for assembling same
US6343771B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2000 |
| Grant date | Feb 5, 2002 |
| Priority date | — |
| Expiry date | Jun 27, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention relates to a rung for a cable ladder which comprises at least one orifice for passage of an attachment member to an upright and two elements in relief disposed on each side of this orifice and adapted to be engaged in an oblong perforation in the upright in which the attachment member is received.In the case of an upright, it is the upright which bears the orifice and the elements in relief adapted to be engaged in an oblong perforation in the rung.A cable ladder according to the invention is easier to assemble due to the self-centering obtained, and the screws or rivets used for attachment are subjected to less shear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.