| 摘要 |
<p>Positioning rule stopper apparatus (11; 12), for use when a process board is to be positioned on top of a sacrifice board on top of a suction table (9) in a numerical control router, comprises a plurality of rule stoppers (13, 14) located by one side of the table (9) and a plurality of rule stoppers (19) located by another side of the table (9), with all of said rule stoppers (13, 14; 19) being movable towards and away from said table (9) under the control of respective cylinders (17, 18; 22) to assist in precise positioning of the sacrifice board and the process board without being obstructive. <IMAGE></p> |
