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(19)

RU

(11)

2 047 720

(13)

C1

(51)

IPC

(21) (22)

Application

92012695/03, 1992-12-07

(22)

Actual filing date

1992-12-07

(45)

Published

1995-11-10

(72)

Inventor

Jurin A.S.Chernykh A.A.

(73)

Holder

Innovatsionno-Kommercheskaja Firma Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

DRILL Russian patent published in 1995 - IPC

Abstract RU 2047720 C1

FIELD: mining industry, drilling equipment. SUBSTANCE: drill has a base supporting a mast. Linked to the mast are a polyhedral shaft, rotator with a feed mechanism, and a frame. An engine is mounted on the frame for limited displacement relative to the drill reduction gear. The latter is located in the upper part of the mast, and it is in engagement with the engine by means of a pulley and a V-belt. EFFECT: higher efficiency. 2 dwg

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RU 2 047 720 C1

Authors

Jurin A.S.

Chernykh A.A.

Dates

1995-11-10—Published

1992-12-07—Filed

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