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:
Apr. 10, 2018
Filed:
Feb. 17, 2014
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Yasushi Nakamura, Osaka, JP;
Koji Murakami, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/00 (2006.01); B60G 11/14 (2006.01); H01T 23/00 (2006.01);
U.S. Cl.
CPC ...
A47L 9/009 (2013.01); B60G 11/14 (2013.01); H01T 23/00 (2013.01); A47L 2201/00 (2013.01); B60G 2202/12 (2013.01); Y10S 901/01 (2013.01);
Abstract
Provided is a self-propelled electronic device in which performance for running over a level difference of a floor surface of a room is improved. The self-propelled electronic device includes: a housing which has a bottom plate; a pair of right and left drive wheel units which support the housing; and a resilient member which resiliently urges the drive wheel units in a direction to project toward a lower side from the bottom plate,