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:
Mar. 07, 2023
Filed:
Dec. 27, 2019
Applicant:
Sharkninja Operating, Llc, Needham, MA (US);
Inventors:
Catriona C. A. Sutter, Brookline, MA (US);
Ming Yao, Suzhou, CN;
William Wang, Needham, MA (US);
Andre D. Brown, Natick, MA (US);
Assignee:
SharkNinja Operating LLC, Needham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4072 (2013.01); A47L 11/4066 (2013.01); A47L 2201/00 (2013.01);
Abstract
A wheel assembly for a robotic cleaner may include a frame, a moveable arm pivotally coupled to the frame, a driven wheel rotatably coupled to the moveable arm such that the driven wheel pivots with the moveable arm, and a biasing mechanism configured to urge the driven wheel towards an extended position, the biasing mechanism being coupled to the frame and spaced apart from the moveable arm.