| 摘要 |
A reel unit according to this invention includes a reel equipped with a frame body 3 0, on the outer periphery of which a plurality of kinds of symbols are formed; a drivingmotor 30 for driving the reel; and a speed reduction gear 40 for reducing an output from the driving motor, arranged at the center of the frame body so that it can be rotated integrally to the frame body. The reel unit is characterized in that an engaging portion 30 is formed radially outside its center of the frame body and an engaged portion 40 to be engaged with the engaging portion is formed at the corresponding position of the speed reduction gear 40.
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