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United States of America Patent

PATENT NO 9903360
SERIAL NO

15256605

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A novel changeover mechanism for a compressed air driven double diaphragm pump comprises a shaft slidably mounted through aligned apertures in opposing surfaces of the twin diaphragm chambers. At the center of the shaft between the two diaphragm chambers is provided an annular notch in to which is located an arm extending from a U shaped frame. The U shaped frame is pivotally mounted atop a valve plate which includes multiple ports. Positioned against a surface of the valve plate is a valve closure component which is configured to slide across the surface selectively obstructing the multiple ports. The valve closure component is held in place by a metal peg hingedly mounted in slots provided in parallel extension of the U shaped frame. Linear tension springs connect the hinged wire pusher with U shaped frame adjacent the pivot point. The springs bias the position of the valve closure component against the valve plate in an off center position.

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Patent Owner(s)

Patent OwnerAddress
CARLISLE FLUID TECHNOLOGIES INCNORTH CAROLINA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rogers, John Anthony Broadstone Dorset, GB 12 128

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