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US 4,360,939 AGranted
Floor care device
AssigneeVorwerk & Co. Interholding GmbH
InventorsHeinz-Gerhard Krumm, Peter Wulf, Wieland Guhne
Life of this patent
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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.
Claims7
A floor care device, comprising a rotary tool rotatable about an axis of rotation;
- a motor arranged to drive said rotary tool in rotation;
- power-transmitting element between said motor and said rotary tool;
- supporting means including an angle lever which supports said tool, said motor and said power-transmitting element freely turning about a pivot point which is offset relative to said axis of rotation of said tool in a substantially vertical direction, said supporting means including a first part formed as a first housing which is arranged to run over a floor or the like, and a second part forming said angle lever and formed as a second housing which has one portion located inside and another portion located outside said first housing and is freely turnable about said pivot point;
- and a guiding handle arranged to transport the floor care device, said guiding handle being mounted on said first housing and connected with the latter in said pivot point.
1 more element
Dependencies are inferred from the claim text.