Nut type raintight threadless couplings and connectors for electrical conduits
US6988746B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Apr 23, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Jul 12, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L19/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In fittings designed to connect threadless electrical conduits, the improvement of providing raintight fittings, having a hollow cylindrical housing with a bore adapted to receive an end of a conduit to be connected with such a fitting and a compression ring with a solid ring portion assembled on the conduit along with a seal, with the solid ring portion of the compression ring providing a radial surface for advancing the seal along the conduit and to compress the seal radially against the conduit to effect a raintight seal between the housing and such conduit and a compression means which is forced against such conduit by a nut system to lock such conduit in the fitting when the radial face of the compression ring abuts against the housing after compressing the elastomer seal against such conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.