Automatic chemical analyzer

• US 3,260,413 A
• Filed: 08/31/1964
• Issued: 07/12/1966
• Est. Priority Date: 08/31/1964
• Status: Expired due to Term

• Current Assignee: Samuel Natelson
• Original Assignee: Samuel Natelson
• Inventors: SAMUEL NATELSON
• Application Number:
  US04/393,096
• Time in Patent Office: 680 Days
• US Class Current: 222/144
• CPC Class Codes: B01L 7/00 Heating or cooling apparatus autoclaves B01J3/04; Heat insulating devices
• CPC Class Codes: B01L 7/5255 by moving sample containers
• CPC Class Codes: C12M 1/26 Inoculator or sampler
• CPC Class Codes: C12M 1/3446 Photometry, spectroscopy, laser technology
• CPC Class Codes: C12M 23/12 Well or multiwell plates C12M25/04 takes precedence
• CPC Class Codes: C12M 41/18 Heat exchange systems, e.g. heat jackets or outer envelopes
• CPC Class Codes: F04B 43/1284 Means for pushing the backing-plate against the tubular flexible member
• CPC Class Codes: F04B 43/1292 Pumps specially adapted for several tubular flexible members
• CPC Class Codes: G01N 21/8483 Investigating reagent band test-element handling not specific to a test method G01N33/4875; analytical elements specific to chemical analysis of biological material G01N33/52; autometer with reagent band G01N35/04
• CPC Class Codes: G01N 33/4905 Determining clotting time of blood by chemical methods G01N33/86, C12Q1/54
• CPC Class Codes: G01N 33/525 Multi-layer analytical elements
• CPC Class Codes: G01N 35/00009 provided with a sample supporting tape, e.g. with absorbent zones
• CPC Class Codes: Y10S 435/809 Incubators or racks or holders for culture plates or containers
• CPC Class Codes: Y10T 436/110833 Utilizing a moving indicator strip or tape

Claims

1. A DEVICE FOR SEQUENTIALLY EMPTYING CAPILLAR TUBES COMPRISING IN COMBINATION:

CIRCULAR POSITIONING MEANS ROTATABLE IN A SUBSTANTIALLY HORIZONTALLY DISPOSED PLANE, AT LEAST ONE RADIAL TUBE HOLDER DISPOSED NEAR THE PERIPHERY THEREOF, SAID TUBE HOLDER HAVING A RESILIENT BED FOR RECEIVING A STRAIGHT CAPILLARY TUBE THEREIN;

BIASING MEANS FOR HORIZONTALLY RETAINING CAPILLARY TUBES IN SAID BOLDER WHEN BIASED INCLUDING BIAS RELEASE MEANS PROJECTING RADIALLY BEYOND THE PERIPHERY OF SAID POSITIONING MEANS FOR RELEASING SAID BIAS WHEN ENGAGED;

A HINGED ARM AND HINGE IN THE VICINITY OF SAID CIRCULAR POSITIONING MEANS INCLUDING A TILTING STATION TEMINATING NEAR THE PERIPHERY OF SAID POSITIONING MEANS, SAID HINGED ARM BEING MOUNTED FOR TILTING MOVEMENT FROM THE HORIZONTAL PLANE OF SAID POSITIONING MEANS TO THE PLANE VERTICAL THERETO, SAID HINGE DEFINING THE AXIAL LINE OF TILTING, AND, CLAMP MEANS INCLUDING