Pipet gun assembly

  • US 5,616,871 A
  • Filed: 09/28/1995
  • Issued: 04/01/1997
  • Est. Priority Date: 09/28/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A pipet gun assembly for supporting a pipet gun in an upright position on a work table and for holding a pipet tube so that it does not touch the work table and for holding the pipet tube at an attitude such that any liquid in the tube does not flow back through the tube and into the pipet gun, comprisinga pipet gun including a handle with a rear wall,a barrel extending from the handle,and support stand means connected to the pipet gun for holding the pipet gun upright on a top surface of a work bench with the barrel of the gun being upright but at an angle from the vertical, said barrel not touching the work table, so that any pipet tube having a connecting end mounted on the pipet gun barrel does not touch the work table and any such pipet tube which is sterile does not touch the work table and remains sterile,and connecting means on the barrel for supporting a pipet tube having a connecting end connected to the barrel and an admitting-emitting tip end for admitting and emitting liquid samples, and for holding the pipet tube at an attitude such that the admitting-emitting tip end is below the level of the connecting end of the pipet tube to prevent any liquid in the tube from flowing back through the tube to the pipet gun.

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