Vacuum cleaner having edge cleaning features
US3942219A · kind A · utility
26Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1974 |
| Grant date | Mar 9, 1976 |
| Priority date | — |
| Expiry date | Jun 3, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner having edge cleaning features comprising a cleaner body with a floor contacting suction chamber and a suction duct leading from the chamber, an edge auxiliary cleaning chamber at one end of the suction chamber and communicating through a port with the suction duct, a valve within the cleaner body movable between open and duct restricting positions for selective full nozzle cleaning and edge cleaning with suction through the auxiliary cleaning chamber when the valve is open and operating means accessible from the exterior of the cleaner for the moving of the valve between said positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.