| 摘要 |
PROBLEM TO BE SOLVED: To simply and favorably adjust the angle of a corner cut. SOLUTION: Knife bases 70A and 70B supporting single edged knives 51A and 51B respectively are constituted to horizontally rotate around a fulcrum shaft 58; an angle between rotating plates 52A and 52B can be freely changed by actuating a rotating motor 53A, and the rotating plates 52A and 52B are rotated 180°around the fulcrum shaft 58 by actuating the rotating motor 53B. The angle of the corner cut V can be set from an operation panel and a control part 100 controls according to the set angle to simply and favorably form the corner cut V. COPYRIGHT: (C)2007,JPO&INPIT
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