Patent ID: 6620074
Filing Date: 2003-09-16
Classification: B60K,F16H,Y10S

Abstract:
A center differential unit of a planetary gear type comprising:a carrier; a first sun gear for receiving an output from a transmission and positioned interiorly of said carrier; a second sun gear provided on an output side with respect to said first sun gear and positioned interiorly of said carrier; a first pinion meshing with said first sun gear; a second pinion meshing with said second sun gear; a pinion member carrying said first pinion and said second pinion therearound, said pinion member having a shaft-receiving hole; and a pinion shaft having at least a surface of carbon/carbon composite, said pinion shaft supported by said carrier at one end on the output side and directly supporting said pinion member so as to rotate by being inserted into said shaft-receiving hole.