| 摘要 |
PROBLEM TO BE SOLVED: To easily assemble a detecting device for detecting detected bodies such as pachinko balls. SOLUTION: A detecting part 10 is provided with an upper cover 11 and a lower case 12, and a circuit board 13 inside a combination of both members. The upper cover 11 is provided with a pair of approximately L-shaped pieces 21, 22 and a pair of approximately T-shaped pieces 23. The lower case 12 is provided with a pair of projecting pieces 31, 32 engaged with the L-shaped pieces 21, 22, and a pair of projecting pieces 33, 34 engaged with the T-shaped pieces 23. The upper cover 11 and lower case 12 are combined in a single operation by the engagement of the respective pieces to form a case body of rectangular solid shape. The upper cover 11 and lower case 12 are respectively provided with through holes 41, 42 for pachinko balls to pass through. |
