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Automatic sample analyzer

  • US 5,270,006 A
  • Filed: 09/03/1991
  • Issued: 12/14/1993
  • Est. Priority Date: 09/05/1990
  • Status: Expired due to Term
First Claim
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1. An automatic sample analyzer comprising:

  • a plurality of sticks each having a plurality of different reagent portions, the sticks being divided into a plurality of groups of sticks and the groups being for different examination items;

    a plurality of cassettes, each cassette having a plurality of said sticks from the same group and each cassette comprising,a bottom face,an outlet adjacent the bottom face and a slit defined in the bottom face, said outlet and said slit being configured such that the sticks can be discharged through the outlet by a push pin which travels within the slit,a slide plate movable between an upper end and the bottom face of the cassette, said sticks being positioned between said slide plate and said bottom face,a torsion spring provided in said cassette, the torsion spring being provided between the upper end of the cassette and the slide plate, the torsion spring urging the slide plate away from the upper end of the cassette,an engageable claw provided on said slide plate,an engageable member provided on an upper portion of a side of said cassette, the engageable claw being detachably engageable with the engageable member to at least temporarily hold the slide plate in a selected position, anda removal device including a single removal mechanism and push pin for taking a desired one of said sticks out of said cassettes by using the single removal mechanism, said pin being movable in a horizontal direction orthogonally to the cassette through the slit in the cassette;

    an examining device for analyzing the reagent portions of the sticks;

    a conveyor for receiving said desired stick taken out of said cassette by said removal device and for conveying said desired stick to said examining device.

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