Volumetric metering device for the metered delivery of granular and powdery materials particulary for machines for distributing such materials
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United States of America Patent
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-
Dec 11, 2007
Grant Date -
Dec 1, 2005
app pub date -
Jul 5, 2002
filing date -
Jul 5, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A volumetric metering device for the metered delivery of granular and powdery materials, particularly for machines for distributing such materials. The device comprises a housing formed in one piece of plastic material, a metering member which is supported rotatably in the housing, can be handled individually, and includes a plurality of metering wheels mounted on a shaft and clamped in a group between two flanges, a selective drive-transmission interposed between the wheels and the shaft, a scraper for cleaning the wheels in motion and anchoring the idle wheels, and a feeler device which is held at a distance from the metering member with resilient preloading.
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