Remote controlled vacuum cleaner
US5940930A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Dec 4, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention relates to a remote controlled vacuum cleaner comprising a motor installed in a chamber inside a main body, for creating a suction, a dust collecting bag installed at a dust collecting compartment, for collecting the dirt and dust sucked by the suction from the motor, left and right wheels for moving the main body, the wheels being driven by left/right wheel driving portions, auxiliary wheel installed at a front lower portion of the main body and rotated together with the rotating right and left wheels, a suction inlet installed at a front lower portion of the main body, which is connected to the dust collecting compartment by way of a suction duct, characterized in that an auxiliary suction inlet is arranged at a front lower portion of the main body, the auxiliary suction inlet being opened or closed in a sliding fashion. There are provided a manual operation of the cleaner by using a hose, thereby providing a convenience for a user and an improved practical use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.