| 摘要 |
PROBLEM TO BE SOLVED: To set the optimum spring and attenuation characteristic respectively in the rolling and the bounce of a vehicle, to select the proper spring characteristic and the attenuation characteristic in the rolling motion, higher than that in the bouncing motion, and to save a space. SOLUTION: Both ends 15a, 15b of a transverse member 15 extended in the vehicle width direction are connected to the wheel supporting bodies 5, a central mount part 15 deviatedly located at a rear part with respect to the transverse member 15, is mounted on a car body side through a ball joint 16 rotatably on a shaft in the longitudinal and lateral directions, and the positions of supporting central points A of the spring members 27 and shock absorber members 29 mounted in the vertical direction between an intermediate bracket 15d of the transverse member 15 and the car body is selected on an external area with respect to a straight line B connecting the central mount part 15c and the both end parts 15a, 15b. Whereby a lever ratioγR in the car body rolling motion of the supporting central points A is set to be larger than a lever ratioγB in the car body bouncing motion.
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