| 摘要 |
PROBLEM TO BE SOLVED: To firmly connect and fix a large winning hole device body to a machine board member by screwing without projection of attaching pieces from the large winning hole device body. SOLUTION: The large winning hole device body 500 is screwed to the machine board member 700 by locking a locking part 770L disposed on the lower side of a frame-shaped part 711 of the machine board member 700 into a groove 564 of the large winning hole device body 500, inserting screw tightening parts 735 disposed on the upper side of the frame-shaped part 711 of the machine board member 700 into a pair of left front stages 635 of the large winning hole device body 500, inserting threaded portions of attaching screws 801L into screw insertion holes 737 of the pair of screw tightening parts 735 and tightening the pair of attaching screws 801L screwed into screw insertion parts 553 of the left front stages 635. Accordingly, a projecting part for screwing can be eliminated on the outer surface of the large winning hole device body 500. COPYRIGHT: (C)2011,JPO&INPIT |
