| 摘要 |
PROBLEM TO BE SOLVED: To enhance the positioning accuracy of collectors on a turntable when conveying the collectors between stations by using the turntable as to a radioactive substance measuring instrument. SOLUTION: Below a station row, the turntable is provided having a transport opening row arranged along its circumferential direction. Each of transport openings is provided with two positioning units 120 and 122. Each of the positioning units 120 and 122 exerts the positioning function of hitting against a collector put in a transport opening to shift the center of the collector toward the center of the transport opening. Specifically, each of the positioning units 120 and 122 has a roller 138 and an arm 132, and a positioning function arises when they are brought from a popped-up state to a thrown-down state. Each of the rollers 138 has a shape constricted in the middle and enlarged on both sides thereof. COPYRIGHT: (C)2010,JPO&INPIT
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