摘要 |
PROBLEM TO BE SOLVED: To weld an arm base end part and a pivot supporting cylinder without specially largely forming a recessed part for an assembling work provided on an inside surface of the arm base end part, in a suspension arm of an automobile. SOLUTION: The arm base end part 3 and an arm part 4 are constituted into a closed sectional structural body by mutually welded lower half member 20 and upper half member 21. In the lower half member 20 and upper half member 21, each of front side supporting part 27 and rear side supporting part 28 arranged with an interval on front and rear sides to abut on one side of an outer peripheral surface of a pivot supporting cylinder 5 is formed. Each abutting part of the front side supporting part 27, the rear side supporting part 28 and the pivot supporting cylinder 5 is welded on a vehicle body front side. COPYRIGHT: (C)2006,JPO&NCIPI
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