Patent ID: 8092333
Filing Date: 2012-01-10
Classification: B62D,F16H

Abstract:
1. A traction drive transmission device, comprising: rolling bodies arranged between an input shaft and an output shaft, the traction of said rolling bodies changing the number of revolutions of said input shaft into a desired transmission ratio and output from said output shaft, and said input shaft and output shaft connected in left/right symmetry to perform two stage transmissions, wherein a first rolling body retaining portion extending between adjacent rolling bodies is provided on a first retainer provided with said input shaft, a second rolling body retaining portion extending between adjacent rolling bodies is provided on a second retainer provided with said output shaft, the input shaft, the first retainer and the first rolling body retaining portion are formed as a single part, the output shaft, the second retainer and the second rolling body retaining portion are formed as a single part, a rotation axis of said rolling bodies is arranged at an incline so that the rotation axis is not orthogonal to the axis of said input shaft and said output shaft, and said traction drive transmission device further comprises: