Cleaning head assemblies having touch-free attachment and alignment technology
US10226159B2 · kind B2 · utility
3Cited by
27References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2014 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Apr 8, 2035 |
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 driver, wherein the pad 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.