Parenteral solution diaphragm pump

Details Parenteral solution diaphragm pump Parenteral solution diaphragm pump

1985-11-18

1988-07-26

Garrett, Robert E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92103SD, F01B 1900, F16J 300

Patent

active

047592648

ABSTRACT:
A hinged plate diaphragm pump comprising a pumping chamber defined by an inflexible member and a flexible member opposed thereto. The flexible member has at least three inflexible plates with edges in a common plane. Each plate has at least two straight plate hinge edges, each plate hinge edge being adjacent to and aligned with a second plate hinge edge of an adjacent plate, the adjacent edges of each plate hinge edge and second plate hinge edge is attached together by a flexible hinge strip. Preferably, the plates comprise at least one array of plates positioned about an axial center of symmetry perpendicular to the common plane. The hinged plates can be hingedly connected to a surrounding support plate and an axially central plate positioned at the axis of symmetry.

REFERENCES:
patent: 988472 (1911-04-01), Kinealy
patent: 2261265 (1941-11-01), Maass
patent: 3298285 (1967-01-01), Webb
patent: 3385168 (1968-05-01), Fineman et al.
patent: 4231287 (1980-11-01), Smiley

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