| 摘要 |
An extraction tool for a tangless spiral coil insert that is simple in structure and is also easy in manufacture and assemble as compared with a conventional tool, accordingly that allows reduction in manufacturing cost and besides that is excellent in operability is provided. An extraction tool 1 for a tangless spiral coil insert of the present invention has, for extracting the tangless spiral coil insert which has been attached to a work from the work, a mandrel 41 a leading end section of which is constituted as a screw shaft 45, and a pivotal claw 80 provided with an actuation section 82 which is a slender member and is provided at one end thereof with a claw section 81 engaging with a notch of an end coil section of the tangless spiral coil insert positioned on a surface side of the work and a support section 83 formed integrally with the actuation section 82. |
