Vacuum extractor
US5657509A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | May 9, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4061
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The vacuum extractor of the present invention is a self contained system for delivery of hot cleaning solution to a surface and vacuum removal of the spent solution either simultaneous with its application or at a later time through a vacuum system which deposits the spent cleaning solution in an upper housing. The extractor is configured to dump the cleaning solution from an upper housing which may be pivotally tipped upwardly from the front to enhance the draining of spent solution. The rear of the extractor of the present invention is configured to enable the extractor to be back up to and located adjacent a toilet bowl. The upper housing containing the spent solution is high enough to be pivoted over the toilet bowl and emptied, while still pivotally attached to the lower housing. The dump valve is positioned to be protected from damage from bumping surrounding structure. The point of pivotal movement of the upper housing is significantly rearward of the junction between the upper housing and the lower housing to enable the dump valve to be positioned further rearwardly upon tilting of the upper housing. The lower housing defines an inwardly spaced area to assist the extractor …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.