| 摘要 |
PROBLEM TO BE SOLVED: To ensure the operational stability of an operating handle provided at an openable/closable front plate. SOLUTION: A front plate 3 openable frontward being hinge-connected on one end side to a body frame 4 is provided with an operating handle 5 for shooting game balls. A columnar projecting part 61 is provided on the back face side of a front plate 3 part provided with the operating handle 5, and a cylindrical recessed part 62 fitted to the projecting part 61 when closing the front plate 3 is provided at a body frame 4 part corresponding to the projecting part 61. COPYRIGHT: (C)2004,JPO
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