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:
Aug. 08, 1989
Filed:
Nov. 03, 1988
Applicant:
Inventors:
Martin E Wiese, South Bend, IN (US);
Dexter K Lehman, Elkhart, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15320 ; 15401 ;
Abstract
An automatic floor scrubbing machine provided with a mopping device in the form of a trailing squeegee having a pivotable squeegee bar with adjustable wheels. The adjustable wheels a spring biased toward the floor and are maintained at a certain level above the floor by means of a spring. The trailing squeegee is constrained to follow the movement of the scrubbing machine when it turns without drifting sideways.