Vacuum cleaner handle lock and valve control
US8122566B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2010 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | May 10, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner having a base with a first air inlet, a rear housing, a removable handle and a socket on the housing to receive the handle. The handle has a grip, a second air inlet, and a hose connected to the second air inlet. The vacuum has a valve with a first inlet connected to the first air inlet, a second inlet connected to the flexible hose, a valve outlet connected to a vacuum fan, and a valve member that moves to connect the valve outlet to either inlet. The vacuum has a handle latch having one position in which it engages the removable handle to hold it in the socket and places the valve in one position, and a second position in which it releases the handle and places the valve member the other position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.