Automatic sample treatment apparatus

Details Automatic sample treatment apparatus Automatic sample treatment apparatus

1997-07-07

1999-05-04

Williams, Hezron

Measuring and testing

Sampler, sample handling, etc.

Automatic control

7386401, 7386431, 422 67, 141130, 1983391, 1983451, G01N 110

Patent

active

059005572

ABSTRACT:
In an automatic sample treatment apparatus of the invention, a tray for vials is provided with slits for a home position and vial positions. The slits for the vial positions have shapes different from that of the slit for the home position. When the apparatus is used, a position detecting sensor detects a desired sample position, and a vial detecting sensor recognizes that the vial is disposed. Then, a syringe is lowered to suck a sample from a vial. Accordingly, even if a stepping motor becomes out of tune, the tray can be transferred to a position in which a needle is securely inserted into the vial.

REFERENCES:
patent: 4854355 (1989-08-01), Chazot et al.
patent: 4947695 (1990-08-01), Lohr
patent: 5380666 (1995-01-01), Wuerschum
patent: 5411065 (1995-05-01), Meador et al.
patent: 5582795 (1996-12-01), Nishina et al.

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