PNEUMATIC SOWING APPARATUS Russian patent published in 1998 - IPC

Abstract RU 2120721 C1

FIELD: agricultural engineering. SUBSTANCE: discharger of surplus seeds in pneumatic sowing apparatus is made as double-feather spring. Lower feather is capable of changing the curvature of its external cylindrical surface by means of adjusting device which consists of screw and threaded bushing. Upper feather of spring is fitted with adjusting device. When discharger is adjusted for sowing of small seeds its rear part is lowered by turning the lever of counter-clockwise and front part by turning in the screw. When adjusting the discharger for sowing of large seeds its rear part is raised by turning the lever clockwise and front part by turning out the screw. EFFECT: improved quality of seed sowing. 4 dwg

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RU 2 120 721 C1

Authors

Trembich V.P.

Bertov A.A.

Dates

1998-10-27—Published

1996-05-06—Filed