Drive shaft for a peristaltic pump
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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Abstract
A drive shaft for at least a rotating roller wherein the external portion of said drive shaft has surfaces treated by projection of particles to impart to it a controlled roughness designed to enable slip-free non-gear-like tooth drive of the roller by the shaft.
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Citations
10 Claims
- 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.
Specification