| 摘要 |
PROBLEM TO BE SOLVED: To provide a bonus device for a game machine capable of freely changing and displaying a pattern by a simple mechanism. SOLUTION: On the circumferential surface C1 of a first drum 531 , plural image display parts are provided. A second drum 551 is concentrically arranged on the inner side of the first drum 531 and the inside is divided into plural areas R1 ,... by a light shielding wall 56a. The first drum 531 is rotated at a high speed at a fixed speed at all times and the rotating operation of the second drum 551 is controlled by a control part 69. Strobes 61 are provided inside the respective areas R1 ,... and the prescribed selected image display parts are allocated to the respective areas R1 ,.... The control part 69 lights the strobes 61 provided inside the respective areas at a timing at which the respective areas rotated and moved to a prescribed position and the image display parts allocated to them overlap based on signals from a first position sensor 65 and a second position sensor 67 for detecting the positions of the respective drums. |
