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Drive shaft for a peristaltic pump

  • US 5,718,568 A
  • Filed: 01/11/1996
  • Issued: 02/17/1998
  • Est. Priority Date: 04/24/1992
  • Status: Expired due to Term
First Claim
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1. A drive shaft for at least one rotating roller, wherein an external part of said drive shaft has at least one section intended to be in frictional non-gear-like tooth contact with the at least one rotating roller, the surface of said at least one section having a granular sharp-edge-free shape and having an average roughness in the order of 0.4 to 0.6 micrometers.

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