Air valve structure for alternately aerated three-pipe style air

Details Air valve structure for alternately aerated three-pipe style air Air valve structure for alternately aerated three-pipe style air

1999-06-18

2000-11-28

Lee, Kevin

Fluid handling

Systems

Multi-way valve unit

13762411, 13762517, 13762518, 5710, A47C 2708

Patent

active

061521760

ABSTRACT:
An air valve structure for an alternately aerated three-pipe style air bed, being comprised of an upper rotation seat and a lower rotation seat, three air pipes on the air valve structure can be supplied with air through relative rotation between and by the unique structural design of the upper rotation seat and the lower rotation seat,

REFERENCES:
patent: 4982466 (1991-01-01), Higgins et al.
patent: 5152319 (1992-10-01), Hannagan et al.
patent: 5375273 (1994-12-01), Bodine, Jr. et al.
patent: 5904172 (1999-05-01), Gifft et al.
patent: 6014784 (2000-01-01), Higgins et al.

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