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PERISTALTIC PUMP

  • US 20100301071A1
  • Filed: 12/05/2008
  • Published: 12/02/2010
  • Est. Priority Date: 12/05/2007
  • Status: Active Grant
First Claim
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1. A pump assembly for use in pumping a viscous material through a pumping tube which can be engage by the pump assembly, the pump assembly comprising;

  • a pump body;

    a rotor rotatably retained on the pump body;

    a stator pivotably retained on the pump body;

    a lever arm operatively retained on the pump body;

    a cam assembly associated with the lever arm and the stator for use in engaging and disengaging the stator relative to a pumping tube positionable between the rotor and the stator; and

    the stator being pivotably retained on the pump body at a single pivot point and pivoting at that pivot point spaced from a rotation point of the rotor, the lever arm being movable relative to a fixed rotation axis on the pump body and spaced from the pivot point and the rotation point for engaging and disengaging the stator.

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