FIXING STRUCTURE OF WATER TREATMENT PAD FOR CORE DRILL

摘要

PROBLEM TO BE SOLVED: To provide a fixing structure of a water treatment pad for a core drill capable of rapidly and certainly fixing the water treatment pad and preventing the loosening of a height regulation bolt. SOLUTION: The press metal fitting 7 attached to the pedestal 1 of the core drill is constituted of a material having elasticity such as spring steel or the like and a pawl 7d is provided to the leading end of the arm part 7c of the press metal fitting 7 coming into contact with the water treatment pad 2. Further, the height regulation bolt 3 used for attaching the press metal fitting 7 is screwed in the pedestal 1 through a holder 5 not only to prevent the loosening of the height regulation bolt 3 by the holder 5 and a thumb screw 6 but also to fix the press metal fitting 7 by the nut 8 threaded with the outer periphery of the holder 5.