| 摘要 |
A storage and indexing mechanism for a plurality of sample containers includes a portable tray for supporting and guiding the sample containers along preselected indexing paths on the tray. The sample containers can be pre-loaded on the tray with the tray being used for storage and transport of the sample containers. When it is desired to process the sample containers, as in a scintillator counter or other analytical instrument, the portable tray containing the sample containers is placed on a stationary stage for receiving and holding the tray on the analytical instruments. The stage includes means cooperating with the tray for indexing the sample containers along the indexing paths on the tray when the tray is mounted on the stage, and means for registering the tray and the sample containers thereon with the indexing means when the tray is mounted on the stage. Latching means are provided for releasably latching the tray to the stage in register with the indexing means, and locking means are provided for locking the sample containers against sliding movement on the tray when the tray is removed from the stage. The locking means is responsive to the release of the latching means for automatically locking the sample containers whenever the tray is released from the stage by the latching means.
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