Importance

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Abstract

A rotary disc feeder includes a rotary plate with a plurality of radial slots and sliders disposed in the slots. The sliders are cam adjusted to define, respective volumetric chambers between their ends and the slot ends. The cams are carried on a rotational cam carrier positioned by an axially reciprocable but non-rotary positioner. The size of the volumetric chambers is adjusted on the fly. A hopper drops product into the chambers rotating thereunder. Product is dropped from the chambers through a slot in a shutter plate angularly spaced from the hopper. The chambers have a relatively extensive, open cross-section compared to chamber length and small doses of light density, static sensitive product is measured and dispensed rapidly.

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First Claim