Portable electric tool vacuum cleaner control
US6044519A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1997 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Mar 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/2842
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable electric tool vacuum cleaner control to permit use of a vacuum cleaner independent of and in conjunction with a portable electric tool is disclosed. The vacuum cleaner control includes a motor control circuit and a motor for operating the vacuum cleaner. An electrical outlet is provided on the vacuum cleaner, which is connected to the vacuum cleaner motor control circuit, to enable a portable electric tool to be plugged into the vacuum cleaner electrical outlet. A three position on/off/automatic switch is provided on the vacuum cleaner for operating the vacuum cleaner motor control circuit to enable independent operation of the vacuum cleaner or joint operation of the portable electric tool in conjunction with the vacuum cleaner, as desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.