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 7213663 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2007

Filed:

Mar. 19, 2004
Applicant:

Ki-man Kim, Gwangju, KR;

Inventor:

Ki-man Kim, Gwangju, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 11/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A driving device of a robot cleaner with a shock-absorbing unit. The driving device includes a robot cleaner body and a pair of motors disposed in the robot cleaner body which are driven by respective power supplies. The driving device also includes a pair of driving wheels rotated by the pair of motors, a pair of driven wheels following the pair of driving wheels, and a driving force transmitting means which causes the driving wheels and the driven wheels to move in association with each other. A frame unit is disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels, and a shock-absorbing unit is disposed in the frame unit to absorb shock that occurs from a cleaning surface.


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