| 摘要 |
PROBLEM TO BE SOLVED: To provide a drive plate for a vehicle capable of preventing a stress concentration, reducing the maximum stress and enhancing a durability by making the stresses generated in both side surfaces of a web portion about the same. SOLUTION: This drive plate E for a vehicle comprises a disc-like web portion 10 molded from a metal plate; a ring-like rim portion 20 formed on one side surface side of an outer periphery edge of the web portion 10; and a ring gear 30 continuously formed on an outer periphery of the rim portion 20. In this case, a balance-uniforming means 40 for a surface stress is disposed on a side surface 12b opposite to a side of the web portion 10 on which the ring gear 30 is formed.
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