Patent · US Active

Vacuum attachment for a vacuum cleaner

US8042222B2 · kind B2 · utility

2Cited by

6References

13Claims

0Family size

Assignee

MIELE & CIE. KG · DE

Inventors

Martin Behrenswerth · Hilter, DE
Markus Druecker · Vellmar, DE
Guenther Ennen · Enger, DE
Cornelius Wolf · Bielefeld, DE

Key dates

Filing date	Dec 10, 2007
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Feb 2, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L9/04
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A vacuum attachment for a vacuum cleaner including a housing having a vacuum channel. A roller is rotatably and displaceably disposed in a region of the vacuum channel and driveable during a vacuuming operation. The roller includes at least one of bristles and baffle walls configured to be in partial contact with a floor covering during the vacuuming operation. At least one roller magnet is disposed on the roller at least one end thereof. At least one housing magnet is non-rotatably disposed on the housing axially adjacent to the at least one roller magnet and configured to interact with the at least one roller magnet so as to alternately at least one of attract and repel the roller so that the roller performs an oscillatory motion as it rotates.

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