Patent ID: 9579646
Date: 2017-02-28
CPC Classifications: B01L,G01N,Y10S

Claim:
1. An automated tool for sample transfer comprising: a dispense head; a first set of tip couplers of a first tip coupler size, said first set of tip couplers mounted on said dispense head and configured to aspirate and dispense samples; a second set of tip couplers of a second tip coupler size, said second set of tip couplers mounted on said dispense head parallel to said first set of tip couplers and configured to aspirate and dispense samples; a single drive system configured to actuate both said first set of tip couplers and said second set of tip couplers allowing each of said first set of tip couplers and said second set of tip couplers to separate and dispense samples; a motor coupled to said drive system allowing said single drive system to sequentially actuate said first set of tip couplers and said second set of tip couplers; a first ejector mechanism configured to eject tips from said first set of tip couplers, said first ejector means driven by said single drive system; and a second ejector mechanism configured to eject tips from said second set of tip couplers, said second ejector means driven by said single drive system; wherein said single drive system actuates a piston associated with each tip coupler; wherein said first set of tip couplers is smaller than the second set of tip couplers.