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.

Date of Patent:
Dec. 08, 2020

Filed:

Nov. 13, 2015
Applicant:

Kingclean Electric Co., Ltd., Suzhou, Jiangsu, CN;

Inventor:

Zugen Ni, Suzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/16 (2006.01); A47L 9/12 (2006.01); A47L 5/22 (2006.01); A47L 5/24 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1691 (2013.01); A47L 5/225 (2013.01); A47L 5/24 (2013.01); A47L 9/122 (2013.01); A47L 9/1625 (2013.01); A47L 9/1633 (2013.01); A47L 9/1683 (2013.01);
Abstract

A three-tier cyclone dust bin filtration system and a vacuum cleaner comprising the system. The filtration system comprises a tier one filtration apparatus and a spiral tier two dust-air separation apparatus in communication with an air outlet of the tier one filtration apparatus and provided with two tiers of filtration structures, where the spiral tier two dust-air separation apparatus is detachably fixed onto the tier one filtration device. The vacuum cleaner comprises a floor brush, a push rod, a main machine, and the three-tier cyclone dust bin filtration system.


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