ROTARY CIRCULAR BLADE SUPPORTING HOLDER

摘要

PROBLEM TO BE SOLVED: To provide a rotary circular blade supporting holder capable of preventing a circular blade from being detached or sprung during the service. SOLUTION: A flange part 15a is provided on a tip of a rotary circular blade supporting shaft 15 which is inserted in and fixed to a chuck part 2 of a spindle of a circular blade drive device 1, the rotary round tooth 3 is held no the inner side (the side of the circular blade drive device 1) of the flange part 15a, and fixed by pressing the rotary circular blade against a side surface of the flange part 15a by a nut 16. Even when the nut 16 is loosened, the nut 16 or the rotary circular blade 3 are not detached from the rotary circular blade supporting shaft 15.