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:
Mar. 20, 1984
Filed:
Mar. 22, 1982
Applicant:
Inventors:
Peter Wulf, Ennepetal, DE;
Annegret Schlecht, Wuppertal, DE;
Assignee:
Vorwerk & Co. Interholding GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15 4 / ; 51176 ;
Abstract
A carpet cleaning device having brush rollers which extend cantilevered on both sides of their point of drive and are plug-engaged in head pieces rotating on a shaft, the head pieces being extended by coupling bushings which engage at their free end, by means of coupling claws, into mating claws of the hub of a drive gear which turns on the shaft.