| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely move a movable body up to a preset stopping position, by making this movable body self-reciprocate, after advancing the movable body up to a predetermined position. <P>SOLUTION: A second connecting member 4 has a catcher 41 to a first connecting member 3, and has the catcher 41 so as to be movable or relatively movable in the moving direction (x) of the movable body 1. The catcher 41 is held in a standby position while receiving energizing force turned in the advancing direction xf or the return direction xb of the movable body 1. When moving the movable body 1 up to the predetermined position, the first connecting member 3 is embraced and held by the catcher 41, and the movable body 1 is made to self-travel up to the stopping position by the energization by releasing the hold. When moving the movable body 1 existing in the stopping position up to the predetermined position, the catcher 41 is held again in the standby position, and the first connecting member 3 slips out of the catcher 41. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
