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:
Oct. 15, 1991
Filed:
Sep. 25, 1989
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Hoky, Chiba, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
1523016 ; 15 411 ; 151412 ; 15179 ; 428465 ; 428466 ; 4284763 ;
Abstract
In a rotary brush wherein the surface of a rotating basic shaft has mounted thereto at least one flexible blade, the surface of the blade made of rubber or a thermoplastic elastomer as its base material and which stands face to face with a surface to be cleaned is covered with a plastic material having wear resistance and slipperiness.