Roller pump rotor with integral spring arms

Details Roller pump rotor with integral spring arms Roller pump rotor with integral spring arms

1977-03-14

1980-01-22

Croyle, Carlton R.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

128214F, F04B 4308, F04B 4312, F04B 4506

Patent

active

041848152

ABSTRACT:
A fluid pump includes an upstanding wall on its base with a generally circular rotor spaced from and generally parallel to the wall to define a tube containing path therebetween with the rotor having at least one slot which defines the inner edge of an integral spring arm upon which a roller is mounted for making depressing contact with a resilient tube mounted in the path for forcing fluid through the tube and with the integral spring arm having sufficient resiliency to accommodate any back pressure developed in the tube.

REFERENCES:
patent: 513316 (1894-01-01), Funk
patent: 1596933 (1926-08-01), Kister et al.
patent: 2483924 (1949-10-01), Moulinier
patent: 2899907 (1959-08-01), Becher
patent: 3011684 (1961-12-01), Corneil
patent: 3167397 (1965-01-01), Skeggs et al.
patent: 3644068 (1972-02-01), Lepak
patent: 3649138 (1972-03-01), Clay et al.
patent: 3737251 (1973-06-01), Berman et al.
patent: 3756752 (1973-09-01), Stenner
patent: 3791777 (1974-02-01), Papoff et al.
patent: 3963023 (1976-06-01), Hankinson

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