Patent ID: 6406399
Filing Date: 2002-06-18
Classification: F16H

Abstract:
A traction drive transmission which is organized about a center axis, said transmission comprising: a sun roller; first and second inner raceways mounted on the sun roller and being tapered such that their large diameter ends are presented toward each other; first and second outer raceways tapered such that their large diameter 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, one of the first raceways being rotatable relative to its corresponding second raceway and the other of the first raceways being generally locked with respect to its corresponding second raceway; first planet rollers arranged in a row between the first raceways and having tapered side faces which contact the first inner and outer raceways and second planet rollers arranged in a row between the second raceways and having tapered side faces that contact the second inner and outer raceways, the first and second planet rollers being arranged in pairs, with the first planet roller of any pair backing and serving to axially position the second backing roller of the pair and vice versa; and a carrier connected to the first and second planet rollers.