| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device which are improved so as to establish the stable mutual relation of drums hardly affected by the change of force at the inside of a system. SOLUTION: By this method, load force is applied to a transfer intermediate member so as to engage the transfer intermediate member with a photoreceptive drum in terms of a nip in a copying machine, and since the load force is applied to the transfer intermediate member along a line 6 passing between the position of the center of gravity CG of a combined body consisting of the transfer intermediate member and a carriage and a buret 305, moment A to rotate the carriage and the transfer intermediate member together is formed, and the application of the load force is continued, so that the engagement E5 of the buret with a V-shaped block is obtained and the engagement E1 of a hook with a pin is released.
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