Patent ID: 9140251
Filing Date: 2015-09-22
Classification: F04B

Abstract:
1. A peristaltic pump for use with tubing, the pump comprising: a raceway; a rotatably mounted rotor; a passageway formed between the raceway and the rotor, the passageway being adapted to receive said tubing; a plurality of roller assemblies pivotably and eccentrically mounted to the rotor, each roller assembly having a length, and including a roller having an outer surface disposed to selectively roll along said tubing when received in the passageway; and at least one compliance mechanism coupled to each roller assembly, the compliance mechanism having first and second ends coupled to the rotor and the roller assembly, respectively, the compliance mechanism being adapted and disposed to bias the associated roller assembly outward relative to the rotor; wherein substantially the majority of the compliance mechanism is contained within the length of the roller assembly and within inside of the roller.