SEED DISPENSER Russian patent published in 2017 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: seed dispenser comprises a housing 1 with a cover 2, a hopper 3, a seed meter 6 and the exit window 4 made on the lower side of the housing 1. The cover 2 of the housing 1 has an inlet window 5. The hopper 3 is mounted above the inlet window 5. Seed meter 6 is made as a horizontally mounted flat spiral rotatable at different rates in the inner cavity of the housing 1 with equal spacing between coils. On the upper side of a flat spiral there is a rigidly mounted disc 7, its diameter is smaller than the spiral maximum diameter on the two distances between the coils. The disc 7 is provided with a drive shaft 8 mounted to the upper side of the disc 7 along the housing 1 symmetry axis. In the center of the cover 2 there is a hole. Inlet window 5 is located between the outer spiral turn and the spiral turn next to it. Output window 4 is located on the lower side along the housing 1 symmetry axis.

EFFECT: invention will make it possible to reduce damage to seeds and to increase the accuracy of their sowing.

2 dwg