| 摘要 |
PURPOSE: A reaction shaft support assembly of oil pump for vehicle is provided to increase torsion torque by forming a key groove on a reaction shaft and a reaction shaft support of the oil pump and inserting a key. CONSTITUTION: A square, diamond, circular or arc key groove(28) is formed between an axial hole(26) and a periphery of a reaction shaft(22) for secure joining of the reaction shaft and a reaction shaft support(24) to endure strong torque without expanding a knurled part of the reaction shaft to improve durability of a machine and to prevent knurled parts of the reaction shaft support and the reaction shaft.
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