Conductive telescopic tube, and hand-held vacuum cleaner
US11019971B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2016 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Sep 24, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/248
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed are a conductive telescopic tube and a hand-held vacuum cleaner, the conductive telescopic tube includes a plurality of sleevings capable of extending-retracting with respect to each other, and conductive assemblies disposed on each of the sleevings and capable of being connected with each other, and the conductive assemblies include mounting seats disposed on one side of the sleevings along a length direction of each of the sleevings, contact strips disposed along a length direction of the mounting seat, and a conductive joint conductively connecting every two adjacent of the contact strips respectively, wherein every two adjacent of the mounting seats are telescopically disposed, two end portions of the conductive joint are respectively located within two adjacent mounting seats, and capable of always conductively connecting the two adjacent contact strips. The hand-held vacuum cleaner includes a vacuum cleaner body, a dust suction head and the conductive telescopic tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.