Patent ID: 7004270

Claim:
A suspension apparatus of a multi-axle vehicle having at least three tire axles, comprising: i) a front link including an upper end portion connected to a vehicle body with a pin, and a lower end portion in a vicinity of a front axle, ii) a rear link including an upper end portion connected to said vehicle body with a pin, and a lower end portion in a vicinity of a rear axle adjacent to said front axle, and iii) a connecting link for longitudinally connecting portions in vicinities of the respective lower end portions of said front link and said rear link so as to pair said front axle and said rear axle; wherein said vehicle body, said front link, said rear link and said connecting link form a quadric link structure, and said suspension apparatus comprises at least one said quadric link structure; and wherein a side length of said connecting link is shorter than a side length of said vehicle body.