To suppress inclination of a pinion roller by yaw moment.
Inner pinion rollers 63 are arranged between a sun roller 21 and ring rollers 22, 32 while being brought into contact with the sun roller 21. Each of a plurality of outer pinion rollers 23 arranged along the peripheral direction of the sun roller 21 makes contact with the ring roller 22 and inner pinion roller 63, and each of a plurality of outer pinion rollers 33 arranged along the peripheral direction makes contact with the ring roller 32 and inner pinion roller 63. The inner pinion roller 63 makes contact with two outer pinion rollers 23 located adjacently to each other in the peripheral direction and two outer pinion rollers 33 located adjacently to each other in the peripheral direction in addition to the sun roller 21.
HAYAKAWA KISABURO
KITAKADO YOSHIMI
DENSO CORP
Jun Ishida