Robot cleaner
US10500894B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2016 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Nov 14, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wheel for a robot cleaner includes an outer ring in contact with a surface to be cleaned, an inner ring which is disposed inside the outer ring and receives a driving force, a plurality of spokes which connect the outer ring and the inner ring, and form a plurality of independent spaces through which air passes, and a plurality of ribs disposed in the plurality of independent spaces, each of the plurality of ribs having a shorter length than a length of each of the plurality of spokes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.