| 摘要 |
A rotating part for an image forming apparatus, including: a drive member; and a driven member, wherein either of the drive member and the driven member has a male part formed in the direction of a rotational shaft, wherein the other of the drive member and the driven member has a female part formed in the direction of the rotational shaft, and wherein the male part is a ratchet-shape male part to be inserted into the female part and in which when the drive member rotates in a first direction, the male part is brought into engagement with the female part to thereby transmit power from the drive member to the driven member, while when the drive member rotates in a second direction opposite to the first direction, the male part and the female part move away from each other to thereby transmit no power.
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