Patent ID: 7351143

Claim:
A symbol displaying unit used for a game machine in which winning and loss are determined in accordance with a kind of a symbol combination completed on a game line crossing display windows, said symbol displaying unit including: a plurality of reel units disposed so as to intersect said game line, at least one of the reel units having a double-reel structure comprising an inner reel and an outer reel, which are coaxially and individually rotated, and at least a part of said outer reel being transparent; at least one outer symbol carried on a peripheral surface of said outer reel; a plurality of inner symbols carried on a peripheral surface of said inner reel, said inner symbol being observable through said outer reel; and animation-display-mode executing means for executing a dynamic animation display mode, at least one of the outer reel and the inner reel being rotated in the animation display mode to dynamically alter a symbol-display state of a combination of the inner symbol and the outer symbol, while maintaining a previous display combination.