Patent ID: 6743149
Filing Date: 2004-06-01
Classification: F16H

Abstract:
A toroidal continuously variable transmission (CVT) comprising:first and second input discs coaxially connected to an input shaft; first and second output discs coaxially disposed between the first and second input discs; pressure means for applying a pressing force along an axial direction of the toroidal CVT to the pair of the input discs; first and second power rollers disposed between the first input disc and the first output disc; third and fourth power rollers disposed between the second input disc and the second output disc; first, second, third and fourth power-roller supporting members supporting the first, second, third and fourth power rollers, respectively; a first wire wound in a shape of 8-figure to the first and second power-roller supporting members; a second wire wound in a shape of 8-figure to the third and fourth power-roller supporting members; a third wire wound around the first, second, third and fourth power roller supporting members and fixed attached to the second and third power-roller supporting members diagonally arranged; and guide walls disposed between the first and second power-roller supporting members and between the third and fourth power-roller supporting members, respectively, the guide walls bending the third wire extended between the first and second power-roller supporting members and between the third and fourth power-roller supporting members toward the output discs.