Automatic reciprocator with manifold and sleeve valve

Details Automatic reciprocator with manifold and sleeve valve Automatic reciprocator with manifold and sleeve valve

1988-06-29

1989-12-26

Look, Edward K.

Motors: expansible chamber type

Cyclically operable

91277, 91330, 91410, 91466, F01L 1500

Patent

active

048890340

ABSTRACT:
A pneumatic reciprocator includes a cylindrical air cylinder concentrically mounted within a cylindrical manifold. A cylindrical sleeve valve is concentrically mounted for movement along the manifold by a pair of spaced O rings. Two sets of circumferentially arranged air holes in the manifold are alternately covered and uncovered by the O rings as the sleeve valve is moved to selectively pressurize and vent opposite sides of the piston in the air cylinder. Movement of the sleeve valve is controlled by stops on the movable bed of a surface grinder that is controlled by the air cylinder.

REFERENCES:
patent: 881048 (1908-03-01), Betts
patent: 2377595 (1945-06-01), Wiles
patent: 2421194 (1947-05-01), Given, Jr.
patent: 3853036 (1974-12-01), Eskridge et al.
patent: 4128209 (1978-12-01), Johnson

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