| 摘要 |
PROBLEM TO BE SOLVED: To prevent parts not strong against impact from being damaged at the time of carrying a part assembly. SOLUTION: The part assembly (U3a) comprising a case (UF) for encasing a plurality of parts and parts secured in the case (UF) further comprises a movable part (ROS) supported movably between a use position for holding the part assembly (U3a) at the time of use and a carrying position for holding the part assembly (U3a) at the time of carriage and held by the weight at any one of the use position or carrying position and at the other position by means of a work member (1) moving while resisting against gravity, and the work member (1) supported movably between a gravity holding position for moving the movable part (ROS) to one position and a nongravity holding position for moving the movable part (ROS) to the other position and moved to the nongravity holding position by means of a member (7) disposed on the outside of the case (UF).
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