| 摘要 |
PROBLEM TO BE SOLVED: To provide an attaching-detaching mechanism having a simple structure, attachable-detachable only by operation of an apparatus, and stably maintaining an installation state. SOLUTION: When installing a replacing member, an apparatus side installation element 11 is nonrotatably pushed in a replacing member side installation object member 12, and is installed by nonseparably fixing the installation object element 12 and the installation element 11, by rotating the installation object element 12 together with a holding member 14, by engaging an installation side engaging part 19 with an installation object side engaging part 16. When extracting the replacing member, the replacing member is held by the holding member 14; the installation element 11 and the installation object element 12 are rotated in the locking releasing direction; and the replacing member is separated by releasing locking, by relatively rotating an installation side engaging part 19 and an installation object side engaging part 16, by rotating only the installation element 11, after stopping rotation of the holding member 14, by allowing a stopper to abut on a stopper receiver. COPYRIGHT: (C)2005,JPO&NCIPI
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