APPARATUS FOR AFTER-HARVEST GATHERING OF GRAIN FROM SOIL SURFACE Russian patent published in 1995 - IPC

FIELD: farm machinery building. SUBSTANCE: this apparatus incorporates horizontal plate whose bottom looks upwards and which has vertical cylinder positioned in center. Side cylindrical walls are covered with collar made of flexible polymer material and having contact with soil surface. Lower edges of collar are triangular teeth. Attached to plate bottom are vertical plates shaped as Archimedean spirals radiating towards periphery from cylindrical sleeve and carrying tapes made of flexible polymer material throughout its entire length. Upper edges of these tapes are in intimate contact with plate bottom and their lower edges contact soil surface. Vertical suction nozzle with screw is fitted and secured in plate central cylinder. Disclosed apparatus distinguishes from prior art in that vertical screw is disposed in suction nozzle and Archimedean spirals are positioned in plate around suction nozzle. EFFECT: economical harvesting.