GAME MACHINE

PROBLEM TO BE SOLVED: To provide a game machine where a drive mechanism is made to be as small as possible for securing an installing space easily and securing the installing space of board surface components in a pachinko machine and curving of a game board is prevented for preventing causing of a fault in the state of flowing down of pachinko balls, by using shape memory alloys in the state of fine wires as drive sources. SOLUTION: The machine is provided with: the game board 3 having the board surface parts such as a variable display device 13 or the like mounted thereon; a transparent plate holding frame 4 which is arranged on the front side of the game board 3 to cover its front surface with a transparent plate 7; and first to fourth movable members 23a, 23b, 39, 57 and 58 operating installed to the board surface components for raising the atmosphere of a game. The first to fourth movable members 23a, 23b, 39, 57 and 58 are made to operate by the driving sources 2855a, 55b and 71 consisting of the shape memory alloy in the state of the thin wired which vary in a length direction by energizing. COPYRIGHT: (C)2006,JPO&NCIPI