Importance

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Abstract

A metering and dispensing cap for use with material containers such as spice jars is disclosed. The cap has a housing that extends horizontally across the mouth of the jar and provides a rectangular outer aperture spaced apart from an aperture that communicates with the interior of the jar. A metering rotor having a plurality of compartments of equal volume spaced around its circumference is provided in the housing between the two apertures. Upon turning the rotor, the compartments are sequentially filled by exposure to the contents of an inverted jar and emptied when aligned with the external aperture. The compartments are defined by axially extending, spaced-apart blades on the rotor. Wiping action to obtain precise metering is obtained by movement of the blades past a curved surface of the housing in slight spaced-apart relation. Amounts of dispensed material are obtainable in multiples of the amount contained in one comparment. A detent mechanism enables control and sensing of the amount dispensed.

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First Claim