Patent · US Active

Floor cleaning machine

US11457790B2 · kind B2 · utility

2Cited by

29References

20Claims

0Family size

Assignee

ALFRED KÄRCHER SE & CO. KG · DE

Inventors

Alexander Braendle · Gundelsheim, DE
Manuel Schulze · Kornwestheim, DE
Fabian Moser · Schorndorf, DE
Moritz Irion · Cologne, DE
Swen Sorgenfrei · Schwaikheim, DE

Key dates

Filing date	Aug 27, 2020
Grant date	Oct 4, 2022
Priority date	—
Expiry date	Dec 11, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L11/4083
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A floor cleaning machine is provided, in particular a hand-guided and/or hand-held floor cleaning machine, including a support device, at least one cleaning roller arranged on the support device, capable of being driven in rotation and provided with a cleaning substrate, said cleaning substrate being made of a textile material; and at least one mouth towards the at least one cleaning roller that includes a first and a spaced second mouth wall having a mouth opening therebetween, wherein the first mouth wall is positioned above the second mouth wall relative to the direction of gravity, wherein the first and/or second mouth wall protrude(s) into the cleaning substrate of the at least one cleaning roller.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.