Box with knock-outs for build-in equipment, in particular electrical equipment
US5125527A · kind A · utility
17Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/085
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A box for equipment to be built into a wall or the like comprises at least one inlet provisionally closed by a knock-out. The knock-out is delimited by a line of reduced strength. A pull member is fastened to it to facilitate the application of a traction force to it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.