| 摘要 |
PURPOSE:To automatically assemble a part having spring hook to the fitting axis through smooth and tight engagement by fixing a member which abuts against the arm of spring hook to said part. CONSTITUTION:When the hook part 5 of spring hook 1 moreover moves downward the bracket 31 from the condition where it is in contact with the entrance of engaging hole 6, since there is a certain clearance between the recess portion 37a of clip arm 37 and a part 24, the bracket 31 moves downward a little leaving the part 24, and a push rod 14 presses the shoulder part 13 of arm of spring hook 1. Thereby, a part 24 engages smoothly with the axis 4 without generating any catching and the hook part 5 of spring hook 1 is engaged with the engaging hole 6. |
