Patent · US Expired

Floor care device

US4360939A · kind A · utility

5Cited by

5References

7Claims

0Family size

Assignee

VORWERK & CO. INTERHOLDING GMBH · DE

Inventors

Heinz-Gerhard Krumm · Sinn, DE
Peter Wulf · Ennepetal, DE
Wieland Guhne · Remscheid, DE

Key dates

Filing date	Nov 12, 1980
Grant date	Nov 30, 1982
Priority date	—
Expiry date	Nov 12, 2000

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L11/4075
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A floor care device has a rotary tool rotatable about an axis of rotation, a motor arranged to drive the rotary tool in rotation through a power transmission, and a supporting element formed as an angle lever which supports the tool, the motor and the power transmission and freely turns about a pivot axis which is offset relative to the axis of rotation of the tool in a substantially upright direction.

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