| 摘要 |
PURPOSE: A structure for coupling a lower arm with a ball joint arm of a vehicle suspension device is provided to increase the coupling strength between the lower arm and the ball joint arm and reduce a damage ratio of the lower arm and the ball joint arm by completely contacting and coupling upper and lower panels of the lower arm with a first coupling part of the ball joint arm. CONSTITUTION: In a structure for coupling a lower arm with a ball joint arm of a vehicle suspension device, a first coupling part(61) of the ball joint arm(60) has an insertion groove(61c) of a predetermined size to be defined into an upper coupling panel(61a) and a lower coupling panel(61b), and an assembling part(43) of the lower arm(40) contacts the upper and lower panels for coupling the first coupling part of the ball joint arm with the upper and lower panels of the lower arm in the complete contact.
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