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2 012 726

(13)

C1

(51)

IPC

(21) (22)

Application

5008151/03, 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.Kiriljuk A.Kh.Pinchuk N.I.

(73)

Holder

Borodjanskij Ehkskavatornyj Zavod

BOOM OF WORKING EQUIPMENT OF FRONT-END LOADER Russian patent published in 1994 - IPC

Abstract RU 2012726 C1

FIELD: ground excavation. SUBSTANCE: longitudinal girders are made of same sheet material. Transverse girder of box-like cross-section is welded with its end face edges to inner sides of longitudinal girders, additionally secured to them by means of braces, and located between bushing of bucket and intermediate triangles. End bushing and bushings of intermediate triangles are located in holes made in sheet members of longitudinal girders. Bushings of boom hydraulic cylinders are attached to sheet members of longitudinal girders by means of ears. EFFECT: higher efficiency. 3 dwg

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RU 2 012 726 C1

Authors

Chmilenko A.A.

Sergeev S.G.

Kharchenko N.M.

Ivanchuk M.I.

Kiriljuk A.Kh.

Pinchuk N.I.

Dates

1994-05-15—Published

1991-09-16—Filed

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