A VOLUMETRIC METERING DEVICE FOR THE METERED DELIVERY OF GRANULAR AND POWDERY MATERIALS, PARTICULARLY FOR MACHINES FOR DISTRIBUTING THE SAID MATERIALS

摘要

A volumetric metering device for the metered delivery of granular and powdery materials, particularly for machines for distributing the said materials, comprises a housing formed in one piece of plastics 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, selective drive-transmission means interposed between the wheels and the shaft, scraper means 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.