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2 188 296

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IPC

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Application

2000100757/03, 2000-01-10

(24)

Start date

2000-01-10

(22)

Actual filing date

2000-01-10

(45)

Published

2002-08-27

(72)

Inventor

Shamshin V.N.Isakov V.S.Chukhrjaev N.P.Karataev D.S.Raksin A.P.Chukhrjaeva N.A.Larchenko T.A.

(73)

Holder

Juzhno-Rossijskij Gosudarstvennyj Tekhnicheskij Universitet Politekhnicheskij Institut)

DRILL WORKING MEMBER Russian patent published in 2002 - IPC

Abstract RU 2188296 C2

FIELD: mining, particularly, rotary drills. SUBSTANCE: drill working member includes mast with guides. Located on mast is rotary head movable carriage having guides and centering pressing rollers with hold-down members in the form of four hydraulic plungers whose rods are connected with centering pressing rollers for their constant pressing to mast guides. Said rollers are included into autonomous hydraulic system with hydraulic accumulator. Hydraulic system is located on movable carriage of rotary head. EFFECT: higher accuracy in collaring, and increased service life of working member. 3 dwg

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RU 2 188 296 C2

Authors

Shamshin V.N.

Isakov V.S.

Chukhrjaev N.P.

Karataev D.S.

Raksin A.P.

Chukhrjaeva N.A.

Larchenko T.A.

Dates

2002-08-27—Published

2000-01-10—Filed

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