The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 2008
Filed:
Nov. 26, 2003
Peter Worwag, Staad, CH;
Peter Worwag, Staad, CH;
Düpro AG, Romanshorn, CH;
Abstract
A cleaning tool for a vacuum cleaning device has a housing and a motor arranged in the housing. A tool carrier and a rotatingly driven working tool are provided. The working tool has two ends rotatably supported in the tool carrier. The tool carrier and the working tool form a changing unit. The tool carrier is detachably secured on the housing by catch elements. A gear system is connected between the motor and the working tool, wherein the motor drives via the gear system the working tool. The gear system has a driving wheel driven by the motor and a driven wheel fixedly connected to the working tool. The tool carrier and the housing have wall sections that overlap one another and align the tool carrier relative to the housing and the driven wheel relative to the driving wheel when the changing unit is inserted into the housing.