BALL RETURN PREVENTION DEVICE FOR PACHINKO MACHINE

摘要

PROBLEM TO BE SOLVED: To provide the ball return prevention device of a pachinko machine capable of sending a ball without affecting the speed of a hit ball and preventing a return ball without losing the function by utilizing the principle of a pendulum. SOLUTION: This ball return prevention device of the pachinko machine is provided with a guide member 20 for preventing the backflow to a guide part of pachinko balls and a turning shaft for turnably supporting the guide member 20 and the guide member 20 allows the hitting onto a game surface of the pachinko ball by being turned in the direction of opening the exit 4 of the guide part and blocks the return to the guide part of the pachinko ball hit to the game surface by being turned in the direction of closing it. The guide member 20 is provided with an opening and closing part for opening and closing the guide part exit 4 to the turning shaft and a weight part 25 for energizing the opening and closing part in the direction of closing the guide part exit 4 at all times. A case body for covering at least the weight part 25 of the guide member 20 and preventing the collision of the pachinko balls to the weight part 25 is provided.