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. 07, 2017
Filed:
Dec. 21, 2011
Nicholas Gerald Grey, Spetchley, GB;
Nicholas Gerald Grey, Spetchley, GB;
GREY TECHNOLOGY LIMITED, , GB;
Abstract
This invention relates to a vacuum cleaner (), and in particular a vacuum cleaner () having a rotatable brush (). The vacuum cleaner () has a travelling head () adapted to be moved across a surface to be cleaned, the travelling head () having a leading end () and a trailing end. The travelling head () has a rotatable brush (), the rotatable brush () being located in a brush chamber () at the leading end of the travelling head (), the brush chamber () having an opening () through which a part of the rotatable brush () projects, the opening () and the rotatable brush () spanning substantially the full width of the travelling head (). The travelling head () also has an impeller (), and a motor () for driving the rotatable brush () and the impeller (). The travelling head () has a removable dirt-collection chamber () spanning substantially the full width of the travelling head, and a filter means () located between the dirt-collection chamber () and the impeller (), the filter means () also spanning substantially the full width of the travelling head.