Peristaltic pump with linear pump roller positioning mechanism

Details Peristaltic pump with linear pump roller positioning mechanism Peristaltic pump with linear pump roller positioning mechanism

1993-12-22

1995-10-31

Bertsch, Richard A.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

4174778, F04B 4308

Patent

active

054624177

ABSTRACT:
A peristaltic pump has a pump rotor rotatable about an axis. The pump rotor carries a pump roller. An actuating rod extends along the axis of rotation. The rod has a distal end and a proximal end. An actuator mechanism is coupled to the proximal rod end for advancing the rod along the axis of rotation in a forward direction toward the pump rotor and in a rearward direction away from the pump rotor. A linkage mechanism is coupled to the distal rod end for converting advancement of the actuating rod along the axis of rotation in response to the actuator mechanism into movement of the pump roller radially of the axis of rotation between a retracted position free of contact with pump tubing and an extended position making operative contact with pump tubing.

REFERENCES:
patent: 4205948 (1980-06-01), Jones
patent: 4363609 (1982-12-01), Cosentino et al.
patent: 4548553 (1985-10-01), Ferster
patent: 4568255 (1986-02-01), Lavender et al.
patent: 5263831 (1993-11-01), Kappus

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