| 摘要 |
<p>603299 A tangless helical coil insert inserting tool comprises: a mandrel, at least the end portion of which forms a threaded axis (45) in order to insert a tangless helical coil insert (100) into a workpiece; and a pivot nail (80) provided with a nail portion (81) engaged with a notch (101) of an end coil portion of the tangless helical coil insert screwed to the threaded axis. The pivot nail has an elastic linking member (83) having one end fixed to a pivot nail attaching groove (71) and the other end attached to the nail portion. The elastic linking member presses the nail portion in the outward radial direction of the threaded axis so that a hook portion (90) formed on the nail portion is engaged with the notch of the tangless helical coil insert in a spring back fashion.</p> |
