Strain relief
US3961833A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 29, 1975 |
| Grant date | Jun 8, 1976 |
| Priority date | — |
| Expiry date | Jan 29, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R13/58
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is an electrical apparatus comprising a housing having an aperture extending between an inner and an outer surface, an electrical cord including an inner wire and an outer sheath including a strain relief portion comprising a first enlarged part engaging the housing outer surface and a second enlarged part of lesser size than the first enlarged part, extending through the aperture and including therein, inwardly of the housing inner surface, a groove extending at least partially peripherally of the second enlarged part, a U-shaped retaining clip received in the groove and including a surface engagable with the housing inner surface to prevent withdrawal of the cord through the aperture, a cover removably secured to the housing and preventing withdrawal of the clip from said groove, and edges on the clip and walls on the housing and cord engaging the clip edges for preventing relative rotation between the cord and the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.