NOZZLE FOR SUPPLYING LIQUID TO ROTATING TOOL

摘要

PROBLEM TO BE SOLVED: To attain easy mounting/demounting of liquid supply nozzle by providing a fixed part with a fastening part being extendable radially and fitted in a receiving opening part. SOLUTION: A fixed part 22 is formed at the main body of each nozzle 7 so that the positional change of a nozzle 6 to an adjacent receiving operating part can be made speedily and easily from a receiving opening part 7. The part 22 has a fastening part 8 extendable in the radius direction. The fastening part 8 formed as an expanding ring 11 is fixed in an expanded condition by frictional restriction to a part between a side 9 of the fixed part 22 and an inner wall 10 of the receiving opening part 7.