Vacuum cleaner current-carrying hose connection system
US7226302B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2003 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Jul 11, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/246
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner current-carrying hose connection system is disclosed having a female connection end on a first vacuum cleaner current-carrying hose adapted for receiving a male connection end on a second vacuum cleaner current-carrying hose. The male connection has at least two male receptor plugs configured for inserting into female receptor holes in the female connection end.A vacuum cleaner hose connection system is further disclosed having a male connection end that has at least two male receptor plugs for transmitting current, a female connection end having at least two female receptor holes for receiving the male receptor plugs, and the male and female connection ends being rotatably movable, about the longitudinal axis of at least one of the female connection end and the male connection end, between an unengaged position and an engaged position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.