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:
Feb. 21, 1978
Filed:
Jul. 06, 1976
Applicant:
Inventors:
Lawrence F Howard, Walnut, CA (US);
James W Mills, Valinda, CA (US);
James L Shannon, Van Nuys, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A46B / ; A47L / ;
U.S. Cl.
CPC ...
15180 ; 15 4 / ;
Abstract
Disclosed herein is a brush for cleaning carpets which includes a base member by which the brush is secured to the underside of a rotary or oscillating machine to impart a corresponding movement to the brush; a plurality of bundles of bristles, each bundle extending from the underside of the base member and being spaced from adjacent bundles; and a plurality of freely rotatable spheres journaled in the underside of the base member and protruding therefrom to support the weight of the brush and machine and vibrate against the carpet as the brush is driven thereover.