PROBLEM TO BE SOLVED: To provide a pin mirror cutter fitting mechanism with excellent fitting workability which can realize clamping and driving by one member. ;SOLUTION: A pin cutter 1 is held by a clamper 10 turnably provided on a cutter fitting part 7 in the vicinity of an outer circumferential part while fitted to an inner circumferential part of the cutter fitting part 7. An end face 10b is formed on the forward side of the rotational direction A out of a part disposed in a first recessed part 11a of the clamper 10, and a second end face 14 in contact with the end face 10b is formed on the first recessed part 11a. A projecting part 12 having an inclined surface 15 is formed on a part of the clamper 10 facing the cutter fitting part 7, and a second inclined surface 16a in slidable contact with the inclined surface 15 is formed on a second recessed part 16 fitted to the projecting part 12.;COPYRIGHT: (C)2003,JPO
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