Peristaltic pump with enhanced tube loading features

Details Peristaltic pump with enhanced tube loading features Peristaltic pump with enhanced tube loading features

1986-05-21

1988-01-19

Croyle, Carlton R.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

F04B 4312

Patent

active

047202491

ABSTRACT:
A peristaltic pump of the type in which a motor-driven hub rotates hub-carried rollers in stressing engagement against to compress a fluid-carrying tube seated in the pump, thereby to propel the liquid through the tube. The pump is characterized in that the functional positioning or loading of the fluid-carrying tubing into and the removal of the resiliently compressible, fluid-carrying tubing from the pump housing is facilitated by apparatus for retracting the tube-compression, fluid-impelling rollers radially inwardly toward the core or hub of the pump and away from an outer bounding wall of a channel in which the compressible section of the tubing is seated. The improvement described effectively removes the rollers as physical impediments during loading of the tube into, and during unloading of the tubing from the pump.

REFERENCES:
patent: 4142845 (1979-03-01), Lepp et al.
patent: 4568255 (1986-02-01), Lavender et al.

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