Self-adjusting tube detector

Details Self-adjusting tube detector Self-adjusting tube detector

1994-05-27

1995-07-18

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 65, 422 67, 422100, 422104, 436 47, 436 49, 436 54, 436180, G01N 3700, B67D 500

Patent

active

054339227

ABSTRACT:
A self-adjusting tube detector for operating on a plurality of different types of collection containers or tubes including a pivotable adjustment arm which is biased into a first position. The first position is preadjusted for the smallest diameter tube to be utilized. When a larger tube is moved into the aspiration location, the adjustment arm is moved upward against the bias by the tube. The self-adjusting tube detector includes a pivotable reader arm, which is biased into a first position indicating the absence of a tube in the aspiration location. When a tube passes the adjustment arm, the tube will move the reader arm upward to provide a signal indicating that a tube is aligned in the aspiration location for aspiration by the stripper plate assembly.

REFERENCES:
patent: 4447395 (1984-05-01), Englar et al.
patent: 4495975 (1985-01-01), Harstrom et al.
patent: 4595562 (1986-06-01), Liston et al.
patent: 5221519 (1993-06-01), Wuerschum
patent: 5240679 (1993-08-01), Stettler
patent: 5270211 (1993-12-01), Kelln et al.

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