Automatic sample feed apparatus combined with or for feeding to a stirring apparatus.

摘要

The invention relates to an automatic sample feed and stirring apparatus, comprising a plurality of samples, each sample comprising a test tube for containing material to be stirred and having a longitudinal axis and a holder for said test tube; a magazine in which said plurality of samples are aligned in a matrix of a plurality of rows and a plurality of columns; a send out device for intermittently moving the samples of a foremost row of said matrix by a distance corresponding to a dimension of one sample such that an individual sample is intermittently sent out from said magazine; sample holding and transfer means for receiving and swingably supporting said individual sample sent out from said magazine; stirring means for simultaneously swinging said test tube and rotating said test tube in alternate opposite directions about said longitudinal axis of said test tube; means for reciprocating said sample holding and transfer means toward and away from said stirring apparatus; returning means for moving said sample from said sample holding and transfer means to a rearmost row in said magazine; and means for moving forwardly all rows remaining in said magazine by a distance equal to a dimension of one row when all samples of said foremost row have been sent out of said magazine.