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:
Jan. 26, 2016

Filed:

Aug. 21, 2012
Applicants:

Byoung IN Lee, Suwon-si, KR;

Hwi Chan Jang, Yongin-si, KR;

Hyun Soo Jung, Seongnam-si, KR;

Dong Won Kim, Hwaseong-si, KR;

Inventors:

Byoung In Lee, Suwon-si, KR;

Hwi Chan Jang, Yongin-si, KR;

Hyun Soo Jung, Seongnam-si, KR;

Dong Won Kim, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60G 11/14 (2006.01); A47L 9/00 (2006.01);
U.S. Cl.
CPC ...
A47L 9/009 (2013.01); A47L 2201/06 (2013.01);
Abstract

A driving wheel assembly and a robot cleaner having the same includes a main body and a driving wheel assembly including a driving wheel, a housing, a driving motor, a rotary member with rotation around a rotation shaft of the driving motor, where the rotary member includes a first unit and a second unit disposed at a position opposite to the driving wheel with respect to the rotation shaft of the driving motor, and a compression coil spring disposed between the housing and the second unit to apply pressure to the second unit, where a distance between a contact point where the compression coil spring and the second unit contact and the rotation shaft of the driving motor is shorter than a distance between a rotation shaft of the driving wheel and a rotation shaft of the driving motor.


Find Patent Forward Citations

Loading…