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:
Jun. 22, 2021
Filed:
Oct. 02, 2019
Lg Electronics Inc., Seoul, KR;
Jungkyu Son, Seoul, KR;
Bohyun Nam, Seoul, KR;
Jaeyong Park, Seoul, KR;
Sehwan Bae, Seoul, KR;
Jonghyun Seo, Seoul, KR;
Jinwoo Lee, Seoul, KR;
Donghoon Kwak, Seoul, KR;
Jaehwan Ko, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A vacuum cleaner includes a cleaner body, a suction hose mounted at a front surface of the cleaner body to suck in dust, moving wheels provided at both sides of the cleaner body, rotating to move the cleaner body and rotatably supporting the cleaner body, wheel motors connected to the moving wheels and rotating the moving wheels, a detecting unit provided in the cleaner body and sensing inclination of the cleaner body to determine whether the cleaner moves and stops, a plurality of detecting members provided at a front surface of the cleaner body and located at both sides of the suction hose to detect an obstacle, and a controller for controlling the wheel motors according to detected signals of the detecting unit and the obstacle detecting members.