Inflatable air pump

Details Inflatable air pump Inflatable air pump

1982-04-28

1985-06-04

Grosz, Alexander

Pumps

Expansible chamber type

Inlet and discharge distributors at opposite ends of tubular...

5454, 92 48, 92 92, F04B 4308, F04B 4506, A47C 2708

Patent

active

045211663

ABSTRACT:
An air pump includes a number of inflatable chambers forming a closed container which defines a pumping chamber. The container is fitted with one-way inlet and outlet valves to effectuate the pumping operation. In one embodiment, the container is cylindrical with seven to nine longitudinal air chambers forming the walls of the chamber. The ends of the cylindrical container are fitted with the inlet and outlet valves. Also disclosed is a method of making and of using such a pump.

REFERENCES:
patent: 527248 (1894-10-01), North
patent: 2068134 (1937-01-01), Houghton
patent: 2369736 (1945-02-01), Hurt
patent: 2686006 (1954-08-01), Hasselquist
patent: 3042941 (1962-07-01), Marcus
patent: 3063620 (1962-11-01), Black
patent: 3068494 (1962-12-01), Pinkwater
patent: 3112502 (1963-12-01), Forsberg
patent: 3583008 (1971-06-01), Edwards
patent: 3676276 (1972-07-01), Hirshen et al.
patent: 4003098 (1977-01-01), Fink

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