Linear vibrating feeders Linear vibrating feeders with the label O are intended for transportation of guided or not guided pieces. Vibrating feeders of the type M are intended for transportation and dosage of bulk and grained materials (e.g. coffee, cereals, synthetic materials, fertilizers, sugar). In combination with scales and counting devices the linear vibrating feeders are also used as dosers. We manufacture three basic types with the label O and three basic types with the label M. O VDT - O - A VDT - O - B VDT - O - C M VDT - O - M VDT - 1 - M VDT - 2 - M Dosing troughs are made from pickled or inox sheet metal