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:
May. 20, 1986
Filed:
Aug. 08, 1985
Applicant:
Inventors:
Werner W Kochte, Ravenna, OH (US);
Susan K Nimon, Cuyahoga Falls, OH (US);
Assignee:
The Scott & Fetzer Company, Twinsburg, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15372 ; 15385 ; 15387 ;
Abstract
A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flow characteristics. Hollow space between the disc brush and turbine wheel is continuously purged of dirt and debris by ambient air passing through an associated internal circuit.