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(19)

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2 083 819

(13)

(51)

IPC

(21) (22)

Application

94017942/03, 1994-05-13

(22)

Actual filing date

1994-05-13

(45)

Published

1997-07-10

(72)

Inventor

Stepanov A.V.Kostalevskij V.M.Makeev V.A.Korshkov V.A.Lysenko V.D.Polishchuk A.N.

(73)

Holder

Proizvodstvennoe Ob"Edinenie Po Burovomu I Transportnomu Oborudovaniju

BLAST-HOLE DRILLING RIG Russian patent published in 1997 - IPC

Abstract RU 2083819 C1

FIELD: drilling equipment. SUBSTANCE: this machine relates to self-propelled roller-bit drilling rigs and is primarily intended for use in quarries for drilling blast-holes. It has undercarriage, mast, cross members of supporting unit and rotor located one above other, and pulling device made in the form of hydraulic cylinder with rod to which connected are ends of working and auxiliary lines of rope-and-pulley system of drilling rig. EFFECT: high efficiency. 1 cl, 1 dwg

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RU 2 083 819 C1

Authors

Stepanov A.V.

Kostalevskij V.M.

Makeev V.A.

Korshkov V.A.

Lysenko V.D.

Polishchuk A.N.

Dates

1997-07-10—Published

1994-05-13—Filed