Valving structure for air passageways of floor nozzle and auxiliary inlet of a vacuum cleaner
US5247720A · kind A · utility
40Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1992 |
| Grant date | Sep 28, 1993 |
| Priority date | — |
| Expiry date | Jan 10, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L5/32
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A suction cleaner includes a floor nozzle and a handle pivotally connected to the floor nozzle. A suction creating device is located in one of the handle and the floor nozzle and a filter bag is secured to the handle. A first passageway leads from the floor nozzle to the filter bag. A first valve member is located in the first air passageway. A cleaning tool hose is secured to the handle. A second air passageway leads from the cleaning tool hose to a filter bag. A second valve member is located in the second air passageway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.