| 摘要 |
PROBLEM TO BE SOLVED: To ensure to return a detection lever to a former position in which a limit switch is in an unrotatable state. SOLUTION: An auxiliary lever 45 to forcibly return the detection lever 37 is mounted on the detection lever 37. Until a roller 39 and a striker 23 are pushed, moved, and made into contact, the detection lever 37 tip is positioned on a relative transfer locus with the striker 23 so as to interfere with the striker 23, and the auxiliary lever 45 tip is separated from the relative transfer locus with the striker 23 so as not to interfere with the striker 23. When the detection lever 37 is rotated since the roller 39 and the striker 23 are pushed, moved and made into contact, the auxiliary lever 45 tip is positioned on the relative transfer locus to the striker 23 so as to interfere with the striker 23. COPYRIGHT: (C)2007,JPO&INPIT
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