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:
Aug. 02, 2022
Filed:
Jan. 10, 2018
Lg Electronics Inc., Seoul, KR;
Changhwa Sun, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A cleaner according to the present invention includes a cleaner main body, and a suction unit provided with a nozzle portion configured to suck air containing foreign substances on a floor into the cleaner main body, and a brush assembly detachably mounted on the nozzle portion, wherein the brush assembly includes a frame coupled to the nozzle portion and provided with an opening that is open toward the front and positioned adjacent to the floor, a brush rotation bar accommodated in the frame and having at least one end portion rotatably supported on the frame, and a variable shutter rotatably mounted on the frame, and configured to close a part of the opening by being rotated by pressing force upon being brought into contact with the floor, whereby air suction force can be varied to correspond to a state of the floor, thereby improving cleaning performance.