Cleaner
US10849474B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2017 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Aug 24, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L13/256
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaner includes a cleaner body including a main cleaning unit for generating suction force, a nozzle assembly rotatably connected to the cleaner body and including a suction port for sucking in air and dust, and an auxiliary cleaning unit connected to the nozzle assembly and including a cloth supporter to which a cloth is attached. The nozzle assembly includes a front wheel and a rear wheel spaced apart from the front wheel, and a shaft of the rear wheel is relatively movably connected to the nozzle assembly to change a contact area between the cloth and a floor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.