公开(公告)号：US06568385B2

公开(公告)日：2003-05-27

申请号：US09933945

申请日：2001-08-22

申请人： Kazuma Sekiya ,  Naoki Omiya ,  Yohei Kanno

发明人： Kazuma Sekiya ,  Naoki Omiya ,  Yohei Kanno

IPC分类号： B28D102

CPC分类号： B23Q11/0841 ,  B23Q11/0816 ,  B28D5/0076 ,  B28D5/024

摘要： A cutting machine of a type having bellows means disposed at least on one side of a chuck table to be reciprocated. A protective sheet covering the upper surface of the bellows means is disposed. One end of the protective sheet is reciprocated in accordance with the reciprocation of the chuck table, while the other end of the protective sheet is connected to winding means. When the chuck table is moved forward or backward, the protective sheet is gradually wound up by the winding means. When the chuck table is moved backward or forward, the protective sheet is gradually wound off from the winding means.