Central vacuum inlet mounting plate with removable protector
US5938061A · kind A · utility
10Cited by
52References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/185
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A backing plate for an inlet valve for a central vacuum system is disclosed. The backing plate includes a tubular portion, which on one side is secured to vacuum conduits, and on the other side carries a vacuum opening having a rubber seal. The backing plate further includes a removable protective element or router disc to protect the rubber seal, such as for example during installation of dry wall over the backing plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.