Patent ID: 6689008
Filing Date: 2004-02-10
Classification: F16H

Abstract:
A traction drive transmission organized about a center axis comprising:a sun roller having first and second inner raceways, the raceways being tapered such that their large ends are presented toward each other; first and second outer raceways tapered such that their large ends are presented toward each other, the first outer raceway being located around the first inner raceway and the second outer raceway being located around the second inner raceway; a first plurality of planet rollers arranged in a row between the first inner raceway and the first outer raceway and having a first tapered side face that contacts the first inner raceway and a second tapered side face that contacts the first outer raceway; a second plurality of planet rollers arranged in a row between the second inner raceway and the second outer raceway and having a first tapered side face that contacts the second inner raceway and a second tapered side face that contacts the second outer raceway; the first and second planet rollers being arranged in pairs, with the first planet roller of any pair directly backing and directly serving to axially position the second planet roller of the pair; and a carrier connected to the first and second planet rollers.