| 摘要 |
PROBLEM TO BE SOLVED: To easily raise a stop-log structure 1 which was inserted and dropped to a guide groove 9. SOLUTION: The stop-log structure has a female screw member 6 on a horizontal surface 5 of a linkage member 4 installed to the downstream side, and the stop-log 1 can be moved up or down as a single body united with the female screw member 6 by the rotating operation of a screw shaft 3. COPYRIGHT: (C)2005,JPO&NCIPI
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