| 摘要 |
A transfer drum includes a pair of annular frames, a coupling member for coupling the annular frames, and a transfer material holding member being wrapped around the annular frames. In the transfer drum, the coupling member is attached so that a top face of a main body, other than attachment ends of the coupling member, is positioned relative to the annular frames to be lower than outer peripheral surfaces of the annular frames. The transfer material holding member has ends in a circumferential direction overlapped on and bonded to each other and ends in an axial direction stuck to the outer peripheral surfaces of the annular frames. The transfer material holding member is attached so that it is placed out of contact with the top face of the main body of the coupling member.
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