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:
Jul. 24, 1990
Filed:
Dec. 15, 1988
Applicant:
Inventor:
Kurt Helm, Nahe, DE;
Assignee:
Hako-Werke GmbH & Co., Bad Oldesloe, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; A47L / ;
U.S. Cl.
CPC ...
15 5 / ; 15 4 / ; 15320 ; 180 192 ;
Abstract
A hand-guided mobile cleaning machine particularly a scrubbing machine having a cleaning tool positioned between a rear roller drive assembly and a front roller steering assembly, the steering assembly being operated by a handle-bar mounted on the rear of the machine, the handle-bar being operatively coupled to the steering assembly by either a set of Bowden cables, a sprocket and chain arrangement, or a motor driven gear arrangement.