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:
Dec. 16, 2014
Filed:
Mar. 21, 2011
Daniel Leigh Otterson, Stacy, MN (US);
Matthew Charles Burk, Forest Lake, MN (US);
Daniel Edwin Maleitzke, Hugo, MN (US);
Daniel Leigh Otterson, Stacy, MN (US);
Matthew Charles Burk, Forest Lake, MN (US);
Daniel Edwin Maleitzke, Hugo, MN (US);
Smarte Carte, Inc., St. Paul, MN (US);
Abstract
A caster wheel arrangement includes a base; a yoke rotatably mounted to the base via a kingpin; at least a first caster wheel rotatably mounted to the yoke; and an assist arrangement moveably mounted to the yoke. The assist arrangement facilitates travel of the caster wheel arrangement over a surface transition (e.g., a gap, a rise, etc.). Non-limiting example assist arrangements include a leading wheel, a leading variable radius wheel, a trailing wheel, a step member, and combinations thereof.