Cleaning head including cleaning rollers for cleaning robots
US10905297B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2018 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Oct 8, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A robot that includes a cleaning head including a first cleaning roller comprising a first sheath comprising a first shell and a first plurality of vanes extending along the first shell and extending radially outward from the first shell, the first shell tapering from end portions of the first sheath toward a center of the first cleaning roller, and the first plurality of vanes having a uniform height relative to a first axis of rotation of the first cleaning roller; and a second cleaning roller comprising a second sheath comprising a second shell and a second plurality of vanes extending along the second shell and extending radially outward from the second shell, the second shell being cylindrical along an entire length of the second cleaning roller, and the second plurality of vanes having a uniform height relative to a second axis of rotation of the second cleaning roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.