초록

A vehicle driveshaft 10 having first and second splined members 12,16 which are manufactured of aluminum, which are anodized, and which respectively include relatively long and wide respective spline portions 14, 18, thereby cooperatively forming a relatively stiff driveshaft 10.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method for forming a driveshaft having increased stiffness, said method comprising the steps of:forming a first splined member from a relatively lightweight aluminum material, said first splined member being formed having a relatively wide first diameter of a certain

[ What is claimed is:] [1.]1. A method for forming a driveshaft having increased stiffness, said method comprising the steps of:forming a first splined member from a relatively lightweight aluminum material, said first splined member being formed having a relatively wide first diameter of a certain value and a first splined portion having a length of about three times said certain value;forming a second splined member which movably extends a certain length within the first splined member, said second splined member being formed from a relatively lightweight aluminum material, and having a second splined portion with a length of about three times said certain value; andhardening said first and said second splined portions.