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 8453294 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 04, 2013

Filed:

Jan. 04, 2012
Applicant:

Byung-jo Lee, Gwangsan-gu, KR;

Inventor:

Byung-jo Lee, Gwangsan-gu, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

An upright vacuum cleaner having a path switching apparatus are provided. The upright vacuum cleaner may include: a cleaner body, a hose which introduces air including dust into a dust collection unit, an extension pipe which is connected to the hose and is attached to/detached from the cleaner body, a suction port assembly connected to a bottom of the cleaner body, and a path switching apparatus installed in the cleaner body. The path switching apparatus includes an actuator, a rotary valve which pivotally rotates when the actuator operates, and a valve housing in which the rotary valve is built, wherein the rotary valve is curvedly formed so that the rotary valve forms a duct along with an inner circumferential surface of the valve housing to select a first path or a second path.


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Lee, Byung-jo. (2013). Upright vacuum cleaner having path switching apparatus (U.S. Patent No. 8453294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8453294

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