| 摘要 |
PURPOSE:To facilitate and enhance the accuracy of positioning of an intermediate guide and facilitate passing wires, by providing a rearmost intermediate guide with a column extending toward a main guide for the purpose of fixing the intermediate guide. CONSTITUTION:A main guide 10 and an intermediate guide are provided with respective holes at central parts thereof, the hole in the intermediate guide being greater. A rear guide 12 is provided at a central part thereof with a stepped cylinder extending toward the main guide 10. The intermediate guide is positioned by an intermediate step of the cylinder while the main guide 10 is positioned at a tip step of the cylinder, by fixing the guides to the cylinder by spring functions. Further, the main guide 10 is positioned by a head frame 7. |
