| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for easily attaching/detaching a metal returning ball avoiding unit onto/from a synthetic-resin inner-rail. SOLUTION: The metal returning ball avoiding unit 50 is disposed in a retaining part 34 provided on a shooting opening side end of the synthetic-resin inner-rail 22. The retaining part 34 comprises a main body 36 joining with the rail 22, a first wall part 38 joining with the main body 36 and extending in a direction apart from an outer rail, a second wall part 40 formed on an end apart from the main body 36 of the first wall part 38 and an engagement hole 48 provided inside the main body 36. The returning ball avoiding unit 50 comprises a base 54 abutting on the main body 36, a prevention piece part 60 allowing a pachinko game ball to be shot with its elastic deformation and preventing the ball from entering a guide rail from a game region, a contact piece part 56 abutting on the second wall part 40, an engagement projection 55 formed on the base 54 and engageably/disengageably engaged with the hole 48 and an action part 58 provided on the base 54 and for disengaging the hole 48 and the projection 55. COPYRIGHT: (C)2007,JPO&INPIT
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