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. 15, 2020
Filed:
Dec. 01, 2016
Applicant:
Piaggio & C. S.p.a., Pisa, IT;
Inventors:
Assignee:
PIAGGIO & C. S.p.A., Pisa, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 9/12 (2006.01); F16H 55/56 (2006.01); F16H 9/18 (2006.01); F16H 61/662 (2006.01);
U.S. Cl.
CPC ...
F16H 9/125 (2013.01); F16H 9/18 (2013.01); F16H 55/563 (2013.01); F16H 61/66254 (2013.01);
Abstract
A continuously variable transmission device () for a two-wheel, three-wheel or four-wheel motorcycle includes a gear shift regulation device suitable to operate on special rollers () through an adjustable axial action independently of the number of engine revolutions. The device influences the centrifugal movement of the rollers () and thus influences the gear shift.