PROBLEM TO BE SOLVED: To provide a drive unit of a movable display mechanism in a game machine, the drive unit enabling avoidance of structural complexity, securement of freedom degrees in installation, and avoidance of increase in the installation space.;SOLUTION: A drive unit includes driven cylinders 31 to 35 respectively coupled to movable portions 11 to 15 of a gimmick 1 of a game machine E; piston members 51 to 55 provided to the driven cylinders 31 to 35 respectively; pipes 41 to 45 communicating between the piston members 51 to 55 and respective driven cylinders 31 to 35 and holding liquid inside; and a drive mechanism 5 for operating the piston members 51 to 55 at a prescribed timing to operate respective driven cylinders 31 to 35 via the liquid in the pipes 41 to 45.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
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