| 摘要 |
PROBLEM TO BE SOLVED: To minimize torque required for the rotation of a swing arm in a prize machine provided with the rotating swing arm. SOLUTION: This prize machine 10 is provided with a play field 40 moved with premiums 47 placed thereon, and the swing arm 50 rotated above the play field 40. An arm guide 36 provided with a rack indented at a specified pitch is arranged along the rotating locus of the swing arm 50, and the swing arm 50 is provided with a pinion gear with a pitch meshed with the rack of the arm guide 36, are an arm motor 61 for rotating the pinion gear.
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