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:
Nov. 10, 2015
Filed:
Oct. 19, 2011
Applicants:
Guido Roberto Sgherri, La Spezia, IT;
Giovanni LA Spina, La Spezia, IT;
Inventors:
Guido Roberto Sgherri, La Spezia, IT;
Giovanni La Spina, La Spezia, IT;
Assignee:
OTO MELARA S.P.A., La Spezia, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60B 15/14 (2006.01); B60B 15/18 (2006.01); B60B 19/04 (2006.01);
U.S. Cl.
CPC ...
B60B 15/14 (2013.01); B60B 15/18 (2013.01); B60B 19/04 (2013.01); B60B 2900/551 (2013.01); B60Y 2200/20 (2013.01); B60Y 2200/24 (2013.01);
Abstract
A variable-diameter wheelincludes at least one rim or hubhaving a predetermined diameter, to which at least one drive axleof the wheelis connected; at least one outer surface external to the hub, having a diameter which is greater than the diameter of the hub. At least one diameter-variation mechanismis secured to the axleand adapted to vary the actual diameter of the wheelaccording to the torque applied to the drive axleby at least one propulsion system.