Cleaning head assemblies having touch-free attachment and alignment technology
US10251524B2 · kind B2 · utility
5Cited by
23References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Jul 2, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4038
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad or a brush driver, wherein the driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.