Driveshaft
AssigneeDana Corporation
InventorBarry L. Zackrisson
Life of this patent
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Abstract
A driveshaft having a heat-treated aluminum alloy tube and a heat-treated aluminum alloy connection member partially telescoped within each end of the tube and joined to it by welding. The tube has a constant outside diameter and a wall thickness which is constant throughout most of the length and which increases adjacent each end.
Claims11
A driveshaft comprising a heat-treated aluminum alloy tube with first and second ends, said tube having a constant wall thickness throughout most of its length and an increased wall thickness adjacent each end, the outside diameter of said tube at each end being at least as great as the outside diameter of said tube throughout its length, a first aluminum alloy connection member partially telescoped within said first end of said tube and joined to said tube by welding, and a second aluminum alloy connection member partially telescoped within said second end of said tube and joined to said tube by welding, wherein the hardness of each end of said tube is about T1 or less adjacent each end thereof.
Dependencies are inferred from the claim text.