| 摘要 |
PROBLEM TO BE SOLVED: To lower the production cost and the working cost by eliminating the need for a clamp metal or the like to fix a mechanism plate closely onto the rear of a game board. SOLUTION: In a pachinko game machine equipped with a game board mounting frame which is provided on the rear side of a front frame 1 and to which a game board 3 is detachably attached and a mechanism plate 4 made of a synthetic resin to be attached to the rear of the game board 3, a plurality of hook pieces 17 each having a retaining recessed part 19 are provided on either the game board mounting frame or the mechanism plate 4 while engaging holes 18 are provided facing the hook pieces 17 and the upper end of each engaging hole 18 is retained on a retaining recessed part 19 of each of the hook pieces 17 to detachably attach the mechanism plate 4 closely to the rear of the game board 3 while a lock means is provided to maintain the engaging holes 18 retained on the hook pieces 17 by blocking upward movement of the mechanism plate 4.
|
