Peristaltic pump latching mechanism

Details Peristaltic pump latching mechanism Peristaltic pump latching mechanism

1986-04-08

1988-04-05

Croyle, Carlton R.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

F04B 4312, F04B 4508

Patent

active

047355581

ABSTRACT:
A spring-loaded latching mechanism for a peristaltic pump that automatically sets and maintains a desired roller head tension. The spring-loaded latching mechanism includes a pair of counter-rotating latching cams positioned on opposite sides of a pump housing. Each latching cam has an indented or slotted portion for engaging a disposable tubing cassette. The disposable tubing cassette includes a length of flexible tubing supported by a circular race or channel. The latching cams are spring-loaded and, when the disposable tubing cassette is inserted into the pump housing, the latching cams urge the disposable cassette with its length of flexible tubing and circular race against a pump roller head to provide the desired roller head tension.

REFERENCES:
patent: 4187057 (1980-02-01), Xanthopoulos
patent: 4537561 (1985-08-01), Xanthopoulos
patent: 4673334 (1987-06-01), Allington et al.

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