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:
Jan. 10, 2012
Filed:
Dec. 19, 2007
Applicants:
Xiaolan Ai, Massillon, OH (US);
Gerald Fox, Massillon, OH (US);
Inventors:
Xiaolan Ai, Massillon, OH (US);
Gerald Fox, Massillon, OH (US);
Assignee:
The Timken Company, Canton, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F16H 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A friction drive () having a plurality of planet assemblies (A,B,C) pivotally mounted to a carrier (), a sun shaft () rotatably mounted with the carrier () and having a first raceway (), and an outer ring member () having a second raceway () concentric to the first raceway () and having a ring shaft (). The plurality of planet assemblies (A,B,C) frictionally engaged with the first raceway () and the second raceway () for transferring power between the sun shaft () and the outer ring member ().