Dust scraping device and cleaning apparatus
US11717122B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 28, 2021 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Dec 28, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/1691
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dust scraping device for a cleaning apparatus includes a dust cup and a removable cyclone separation unit arranged in the dust cup. The dust scraping device includes a dust scraping member. The dust scraping member has a connection portion extending in a removal direction of the cyclone separation unit, and a dust scraping portion extending to an interior of the dust cup in a direction perpendicular to the removal direction and slidably abutting against the cyclone separation unit. The dust scraping device is mounted at the dust cup, and the dust scraping portion scrapes off at least part of debris on an outer side of the cyclone separation unit when the cyclone separation unit is removed from the dust cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.