Invention Grant
- Patent Title: Self-propelled surface cleaning machine and method for operating a self-propelled surface cleaning machine
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Application No.: US14722853Application Date: 2015-05-27
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Publication No.: US09949607B2Publication Date: 2018-04-24
- Inventor: Juergen Merz , Frank Nonnenmann , Michael Oesterle , Bernd Noller
- Applicant: Alfred Kärcher GmbH & Co. KG
- Applicant Address: DE Winnenden
- Assignee: Alfred Kärcher GmbH & Co. KG
- Current Assignee: Alfred Kärcher GmbH & Co. KG
- Current Assignee Address: DE Winnenden
- Agency: Womble Bond Dickinson (US) LLP
- Main IPC: A47L11/28
- IPC: A47L11/28 ; A47L11/30 ; A47L11/40 ; B62D61/08 ; B62D9/00 ; B62D11/10 ; B60L1/00 ; B60L11/18 ; B60L15/20

Abstract:
A self-propelled surface cleaning machine is proposed, including a floor cleaning device, a steerable front wheel, a steering device associated with the front wheel, a rear wheel device having at least one left rear wheel and at least one right rear wheel, a first drive device for driving the front wheel, a second drive device for driving the rear wheel device and a differential device for the rear wheel device that allows different speeds of rotation for the at least one left rear wheel and the at least one right rear wheel.
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Information query