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:
Sep. 30, 2003
Filed:
Aug. 23, 2001
Hendrikus Jan Kapaan, Nieuwegein, NL;
Johannes Albertus Van Winden, Heidelberg, DE;
Eduardus Gerardus Maria Holweg, Delft, NL;
Alexander Jan Carel Vries, Tiel, NL;
Jacobus Zwarts, Nieuwegein, NL;
SKF Engineering and Research Centre B.V., Nieuwegein, NL;
Abstract
A continuously variable transmission unit comprises two pulley sets ( ) which each comprises a pair of discs ( ) and a screw mechanism ( ) which is concentrated with respect to a pulley set ( ) for moving the discs ( ) of the pulley set ( ) towards and from each other, each pair of discs ( ) enclosing a V-shaped groove, a belt ( ) stretching between the pulleys and accommodated in the grooves thereof, the screw mechanism ( ) being controllable by a control device, the discs ( ) of each pulley set ( ) being accommodated on a support shaft ( ). The screw mechanism ( ) is accommodated in the bore in the shaft ( ) and engaging at least on of the discs ( ).