| 摘要 |
The stepped shaft has external splines for torque transmission, its ends being of smaller dia. than the middle portion. It is a hollow body of constant wall thickness, and with widened portions (2) extending over part (3) of its length. These portions can extend over all or part of the periphery, teeth or splines being formed in their external surfaces. The shaft can be in one piece, or alternatively in two or more. |
