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2 012 725

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IPC

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Application

5008150/03, 1991-09-16

(22)

Actual filing date

1991-09-16

(45)

Published

1994-05-15

(72)

Inventor

Chmilenko A.A.Sergeev S.G.Kharchenko N.M.Ivanchuk M.I.Pinchuk N.I.

(73)

Holder

Borodjanskij Ehkskavatornyj Zavod

TURNING COLUMN OF HYDRAULIC EXCAVATOR BOOM Russian patent published in 1994 - IPC

Abstract RU 2012725 C1

FIELD: excavating and loading operations. SUBSTANCE: post of turning column is made in form of box which consists of vertical U-shaped sheet framework bent in transverse cross-section with upper and lower projections on free sides of its side walls, with U-shaped vertical cover plate, and additional transverse sheet wall inclined to side from vertical ears. Horizontal ears are made in form of sheet members, and one of horizontal parts has hole for axle to connect column turning hydraulic cylinders and made in form of additional horizontal ear made sheet. EFFECT: higher efficiency. 3 dwg

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RU 2 012 725 C1

Authors

Chmilenko A.A.

Sergeev S.G.

Kharchenko N.M.

Ivanchuk M.I.

Pinchuk N.I.

Dates

1994-05-15—Published

1991-09-16—Filed

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