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Peristaltic pumping device

  • US 4,473,342 A
  • Filed: 09/10/1982
  • Issued: 09/25/1984
  • Est. Priority Date: 10/07/1981
  • Status: Expired due to Fees
First Claim
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1. In a peristaltic pumping device comprising a housing, rotor means rotatably mounted in the housing, means for locating a plurality of flexible walled tubes to extend around the rotor means at respective positions axially along the rotor means such that the rotor means, when rotated in use, act on the tubes to compress successive parts thereof against support means provided on the housing thereby inducing a flow of fluid through the tubes by peristaltic action;

  • the improvement wherein;

    said support means comprise a plurality of individual curved track members each separately, pivotally mounted on the housing at or adjacent one end thereof with resilient means being provided to act between the housing and each track member at a position spaced from the pivotal mounting thereof.

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