| 摘要 |
PURPOSE: A coupling of a motor driven power steering system is provided to stably absorb the assembly and production tolerance so that an allophone due to the rubbing with the inner circumference of a worm gear shaft is not generated when a worm gear shaft is axially flowed at the tilted state according to the manipulation of a steering wheel. CONSTITUTION: A coupling of a motor driven power steering system is composed of a coupling body(16a), an arm(16b), and a bush part(16d). The coupling body has an assembly hole in the center so that a driving shaft of a motor is inserted. The arm is arranged in the outer circumference of the coupling body and is projected radially. The bush part is formed at one side of the coupling body at the cylindrical shape. A spring supporting a motor shaft and a worm gear shaft is installed in the bush part.
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