Patent · US Active

Surface cleaning machine with cover device for dirty fluid reservoir device

US11523724B2 · kind B2 · utility

2Cited by

13References

44Claims

0Family size

Assignee

ALFRED KÄRCHER SE & CO. KG · DE

Inventors

Marc Meisenbacher · Fellbach, DE
Christoph Rufenach · Ditzingen, DE
Tobias Palmer · Baltmannsweiler, DE
Andreas Mueller · Zeitlarn, DE
Mathias Frisch · Maubach, DE

Key dates

Filing date	Feb 10, 2020
Grant date	Dec 13, 2022
Priority date	—
Expiry date	Feb 20, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L2201/04
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A surface cleaning machine is provided, including a cleaning head having at least one driven cleaning roller unit, a dirty fluid reservoir device arranged on the cleaning head, and a scraping guide device for dirty fluid that acts on the at least one cleaning roller unit, wherein the dirty fluid reservoir device has a container device for dirty fluid and a cover device for the container device, wherein a duct device for cleaning liquid is arranged on the cover device, and wherein there is arranged on the cover device an orifice device which is fluidically connected to the duct device and by means of which cleaning liquid is applicable to the at least one cleaning roller unit.

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