| 摘要 |
PROBLEM TO BE SOLVED: To solve problems of a conventional plate arm by a simple structure even when an arm body is formed of a pressed metal plate in a suspension arm having a bush supporting member for press-fitting and supporting a bush connected to a fork-like lower end part of a damper across an intermediate part of the arm body with a space therebetween via a connection pin with a drive shaft passing through the space. SOLUTION: The bush supporting member 9 comprises first and second supporting bodies 11 and 12 continuously arranged in the axial direction of the bush in a split manner. Each supporting body comprises cylindrical parts 11p and 12p to be inserted in through-holes H1 and H2 in both side walls K1 and K2 of the intermediate part of the arm body 1 and outwardly-directed flange parts 11f and 12f to be lapped on and welded to outer ends of the cylindrical parts, and a bush B3 is press-fitted to the inner circumference of the cylindrical parts 11p and 12p.
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