摘要 |
PROBLEM TO BE SOLVED: To provide a tool holder enabling the easy replacement of a leakage prevention member. SOLUTION: This tool holder 10 detachably held on a spindle device 30 includes a holder body 11 and a coolant hose 70 which is secured to the holder body 11 and which forms a fluid flow passage between a fluid feed pipe 61 and a tool 20. The coolant hose 70 includes a first member 71 which is formed in a cylindrical member having a through-hole opened at both ends, which allows a part of the fluid feed pipe 61 to be inserted from one opening therein, and which has a packing mounting section 714 for a packing 54 disposed between the hose and the fluid feed pipe 61 inserted therein and a bush 73; and a second member 72 which is formed in a cylindrical member having the through-hole opened to both ends and which has an insertion section 723 inserted from the opening opposite to the opening in which the fluid feed pipe 61 of the first member 71 is inserted into the through-hole of the first member 71 until the insert section reaches the packing 54 attached to the packing mounting section 714. COPYRIGHT: (C)2010,JPO&INPIT
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