FRAME STRUCTURE BODY FOR SEAT

摘要

PROBLEM TO BE SOLVED: To accurately spot-weld a frame of thin plate thickness to a support plate. SOLUTION: By spot-welding a frame 1 through a patch 2 to a supporting plate 3, this structure body integrally connects the three. In this case, the patch 2 is provided with a projected piece part 21A to be inserted to through-holes 11 and 31 respectively provided on the frame 1 and the supporting frame 3 and a bend piece part 22 for preventing the rotation of the patch 2.