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.:

US 8011061 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 06, 2011

Filed:

Apr. 13, 2007
Applicant:

Dong-hun Yoo, Gwangju, KR;

Inventor:

Dong-Hun Yoo, Gwangju, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A nozzle assembly of a vacuum cleaner is disclosed. The A nozzle assembly includes a main casing having an air inlet formed thereto to draw in dust or dirt from a surface to be cleaned, a drum brush disposed in the main casing to brush away the dust or dirt adhered to the surface while rotating in contact with the surface, and a subsidiary brush unit disposed in front of the main casing to preliminarily brush away the dust or dirt adhered to the surface in front of the drum brush, and having a cover disposed in front of the main casing, and a subsidiary brush member to come in elastic contact with the surface. The subsidiary brush member is configured to change a relative position to the cover, and thus to selectively maintain a contact state or a non-contact state to the surface.


Find Patent Forward Citations

Yoo, Dong-Hun. (2011). Nozzle assembly of vacuum cleaner (U.S. Patent No. 8011061). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8011061

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…