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1 394 484

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IPC

(21) (22)

Application

4070438/15, 1986-05-21

(22)

Actual filing date

1986-05-21

(45)

Published

1994-04-30

(72)

Inventor

Lipovskij M.I.Kobelev A.A.Mitrofanov N.M.Zadvorkin S.A.Gavrilov V.P.Mashanov V.I.Arbuzov P.M.

THRESHING DEVICE Russian patent published in 1994 - IPC

Abstract SU 1394484 A1

FIELD: agricultural engineering. SUBSTANCE: threshing device has drum 1 with rows of long teeth 3 and two rows of shorter teeth 4 which are positioned in screw-like or staggered order on body 5. Height of short teeth is 14-20 mm and height of long teeth is greater by 2.0-2.5 fold. Base 6 of rows of short teeth is thicker than base of long teeth. All bases 6 are streamlined by their shape and are made in accordance with logarithmic spiral to minimize escape of grains and not threshed spikes. EFFECT: reduced energy consumption, enhanced threshing efficiency. 2 cl, 2 dwg

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SU 1 394 484 A1

Authors

Lipovskij M.I.

Kobelev A.A.

Mitrofanov N.M.

Zadvorkin S.A.

Gavrilov V.P.

Mashanov V.I.

Arbuzov P.M.

Dates

1994-04-30—Published

1986-05-21—Filed