| 摘要 |
PROBLEM TO BE SOLVED: To return a nose to a normal attitude without performing button operation or the like even if malfunction occurs in operating the nose in a storage attitude into a stand up attitude. SOLUTION: A detection switch S1 detecting that a control pin 32 passed is provided in a Z1 side of a second guide part 37 of a guide part 34 of an attitude variable means. Since the detection switch S1 can detect that the control pin 32 moves not in a first guide part 36 but in the second guide part 37 in a process that the nose 10 moves from the storage attitude to the stand up attitude, malfunction of of the nose 10 can be recognized. The nose can be returned to a normal condition by turning a motor in reverse direction at once and then in a regular direction. COPYRIGHT: (C)2004,JPO
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