| 摘要 |
A cassette puller for an automated storage and retrieval system that stores biological or chemical samples in freezers maintained at ultra-low temperature (e.g.,−80° C.) or cryogenic temperatures includes a vertical sleeve into which the selected cassette is lifted. The cassette puller is mounted to a traveling gantry and transports cassettes from one freezer location to another and to the system input/output module, and also includes an ejection mechanism that inserts and retrieves tube storage racks or plates from a selected shelf on the cassette. Other components such as a rack robot, a tube picking mechanism, a sample identification station, etc. are mounted on the traveling gantry as well.
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