Movable stator walls permitting access to tubing in peristaltic

Details Movable stator walls permitting access to tubing in peristaltic Movable stator walls permitting access to tubing in peristaltic

1975-12-15

1979-02-06

Vrablik, John J.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

417477, F04B 4308, F04B 4312, F04B 4506

Patent

active

041382056

ABSTRACT:
A tubing replaceable, peristaltic pump includes a base plate and a rotor mounted on the base plate and having peripherally spaced thrust rollers. Pivotally mounted on the base plate on opposite sides of the rotor are a pair of stator members which are swingable about proximate laterally spaced ends thereof between closed and open positions with their inner concave cylindrical faces confronting the rotor being respectively proximate and coaxial with the rotor and remote from the rotor. Hand operated devices are located at the free ends of the stator members and swing the stator members between locked closed positions and open positions. A flexible collapsible tube is entrapped between the rotor and closed stator members and is replaceable when the stator members are in opened position, the tube extending radially outwardly between the stator member laterally spaced front ends. If desired the stator members are reciprocatable towards and away from the rotor.

REFERENCES:
patent: 487136 (1892-11-01), Truax
patent: 2585949 (1952-02-01), MacCormack
patent: 2679807 (1954-06-01), Bruckmann
patent: 3038414 (1962-06-01), Margus
patent: 3431864 (1969-03-01), Jones
patent: 3674383 (1972-07-01), Ices
patent: 3841799 (1974-10-01), Spinosa et al.
patent: 3927955 (1975-12-01), Spinosa et al.

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