| 摘要 |
PROBLEM TO BE SOLVED: To enable a ball putout device in a Pachinko game machine to be attached stably and firmly without any positional deviation, and also to be easily and simply attached and detached. SOLUTION: An engaging fulcrum part 12 is formed on the attaching surface 8 of a base member 1, a pair of shelf parts 13 are projected at an appropriate interval on one part of the attaching surface away from the engaging fulcrum part, the receiving surface 14 of the shelf part is formed into a roughly circular face shape for which the engaging fulcrum part is a curvature center, and a rotatable tightening knob 16 is provided near the shelf part of the base member further. A projection piece 24 is formed on the ball putout device, and a mounting surface 25 in the roughly circular face shape for which the projection piece is the curvature center is formed on both side faces of the ball putout device. By engaging the projection piece with the engaging fulcrum part and sliding the mounting surface onto the receiving surface by rotating the ball putout device, the ball putout device is supported in the state of being clamped between the shelf parts. In the state, the tightening knob is rotated and the ball putout device is closely attached to the base member. COPYRIGHT: (C)2006,JPO&NCIPI
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