Air pump for an inflatable body having a safety holding device

Details Air pump for an inflatable body having a safety holding device Air pump for an inflatable body having a safety holding device

1997-11-17

1999-12-21

Freay, Charles G.

Pumps

Expansible chamber type

Valve in collapsible wall pumping member

417472, 5708, F04B 4300

Patent

active

060041161

ABSTRACT:
An automatic air pump is built into an inflatable body. The automatic air pump includes a pump body, an air inlet and an air outlet. The pump body is automatically restorable and has an air chamber inside. The air outlet is provided on the pump body to introduce air into the inflatable body when the pump body is pressed. The air inlet is provided on the inflatable body to suck air outside the inflatable body into the pump body when the pump body is released.

REFERENCES:
patent: 2686006 (1954-08-01), Hasselquist
patent: 3068494 (1962-12-01), Pinkwater
patent: 3216413 (1965-11-01), Arecheta Mota
patent: 4694515 (1987-09-01), Rogers, Jr.
patent: 4782542 (1988-11-01), Sato
patent: 4862533 (1989-09-01), Adams, III
patent: 4930174 (1990-06-01), Hunter

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