Vacuum cleaner
US11523721B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Sep 16, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/322
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner including: a suctioning unit; a main body including a cyclone part for separating dust from suctioned air and a dust container for storing the separated dust, and a body cover for opening and closing the lower side of the body; a filter unit, disposed in the body, for filtering air separated from the dust; an actuating unit capable of moving in the body between the outside of the filter unit and the inner circumference surface of the body; an operating unit disposed outside the body which operates in order to move the actuating unit; a transmission unit penetrating the body and connecting the actuating unit with the operating unit; and an elastic member disposed outside the body which elastically supports the operating unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.