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TODAY’S PATENT – LINEAR PERISTALTIC PUMP

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TODAY’S PATENT – LINEAR PERISTALTIC PUMP

The LINEAR PERISTALTIC PUMP was invented by Donald L. Cummins (Hopewell, VA) on 19th February 1985, bearing the patent number US4500266A.

This invention relates generally to pumps and more particularly to a pump having a flow path from the inlet to the outlet provided by a conduit with a deformable wall. An object of the present invention is to provide an axial type peristaltic pump capable of moving from low viscosity materials, such as water and other liquids, to high viscosity materials, such as raw dough.

A linear peristaltic type pump capable of moving high viscosity material without creating an appreciable amount of heat includes a flexible conduit that is progressively compressed by a series of gear-driven compressing shoes that move linearly into and out of contact with the conduit by reciprocating motion, with a dwell time provided for each conduit compression event. A specific gear and linkage drive system is provided, including interengaged gears driving the compressing shoes via links on either side of the shoes.

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    Tanya Janghel

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