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:
Nov. 17, 1998
Filed:
May. 27, 1997
Philip M Anthony, Chicago, IL (US);
James C Hand, Glen Ellyn, IL (US);
David Pacchini, Chicago, IL (US);
Breuer Electric Mfg. Co., Chicago, IL (US);
Abstract
Disclosed is a wet/dry carpet cleaner having a large tank assembly for fluids. A bladder containing fresh or cleaning water is positioned in the large tank. Nozzles for dispensing the cleaning water to a brush, a vacuum nozzle for vacuuming and returning soiled fluid to the recovery tank portion of the tank assembly is also provided. The present invention includes the method of securing a brush head assembly pivotably to the chassis assembly and includes the driving motor, rotating brush, and spray mechanism. The pivotal securement results in the weight of the brush head assembly applying a constant force on the brush throughout the entire cleaning cycle, independent of the amount of fluid contained in the recovery tank or the bladder. Also, the method is addressed to configuring and proportioning the bladder to insure a relatively constant load on the nozzle. By balancing the nozzle loading and, therefore, the downward pressure per square inch on the nozzle throughout the cycle compensation results for fluid loss or fluid re-distribution. With the brush loading remaining constant throughout the cycle, consistency is maintained during the entire period while the carpet is being cleaned.