Method and apparatus for causing a series of mechanical actions

Details Method and apparatus for causing a series of mechanical actions Method and apparatus for causing a series of mechanical actions

1987-02-20

1989-01-10

Rivell, John

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

13762414, 13762566, 13762569, 251 75, 91191, 91193, 91344, 91518, 5455, F16K 31365, A47C 2710

Patent

active

047966564

ABSTRACT:
A feedback type of diversion valve which can be used to sequentially "operate" or "activate" fluid responive structures such as tubes of a pillow.

REFERENCES:
patent: 2072403 (1937-03-01), Lausen
patent: 2814310 (1957-11-01), Lower
patent: 3462778 (1969-08-01), Whitney
patent: 3703188 (1972-11-01), Wagner
patent: 3794075 (1974-02-01), Stoll et al.
patent: 3919730 (1975-11-01), Regan
patent: 4190286 (1980-02-01), Bentley
patent: 4617690 (1986-10-01), Grebe

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