| 摘要 |
PROBLEM TO BE SOLVED: To detect the origin position of a central rotary drum, to reduce the diameter of a rotary drum, and to arrange a plurality of rotary drums side by side almost without a gap in an axial direction or the like by providing a central origin detection means of the central rotary drum among the plurality (three) of rotary drums so as not to obstruct the rotary drums in a game machine. SOLUTION: The central origin detection means for detecting the origin position of the central rotary drum is disposed on one end side in the axial direction of the three rotary drums. The central origin detection means includes: a part to be detected, which is provided on one end side part in the axial direction of the shaft member of a rotationally driving mechanism for rotationally driving the central rotary drum; and an origin detection sensor for detecting the origin position of the central rotary drum through the part to be detected. COPYRIGHT: (C)2011,JPO&INPIT
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