| 摘要 |
A self-aligning mechanism for positioning analyte receptacles (108) comprises a loading carriage (200) which bears a tray (244). In one embodiment, the carriage (200) is slidingly mounted in a structure (202) and includes three guide pins (222, 224, 226) and a stop pin (238). In this embodiment, the tray (244) has a leaf spring (280) attached at the rear thereof, a lateral protuberance for contacting the structure (202), and two frontal and one lateral oblique slots (252, 254, 258). A pair of vertical contact planes (272, 274), orthogonally disposed with respect to each other, are formed on the top surface of the tray (244).
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