Vacuum cleaner
US10765288B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Sep 3, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4063
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed herein are a vacuum cleaner including: a base including a suction opening; a main frame including a dust collecting apparatus configured to remove dust from air sucked through the suction opening; and a wheel assembly including a forward wheel and a reverse wheel, and rotatably coupled with the base, wherein when the main frame slides with respect to the base, any one of the forward wheel and the reverse wheel contacts a floor. Therefore, the vacuum cleaner may understand a user's intention without adding a senor and a control circuit, and travel actively according to the user's intention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.