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2 180 313

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C2

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IPC

(21) (22)

Application

95111055/28, 1995-06-28

(24)

Start date

1995-06-28

(22)

Actual filing date

1995-06-28

(45)

Published

2002-03-10

(72)

Inventor

Poletajkin V.F.Avdeeva E.V.

(73)

Holder

Sibirskij Gosudarstvennyj Tekhnologicheskij Universitet

TELESCOPIC BOOM Russian patent published in 2002 - IPC

Abstract RU 2180313 C2

FIELD: mechanical engineering; materials handling facilities. SUBSTANCE: proposed telescopic boom has support and telescopic sections, drive working member and hydraulic lines for delivering liquid to elements of hydraulic drive installed on end. Each hydraulic line consists of rigid pipelines connected by swivel joints and flexible pipelines. Extreme pipelines and swivel joints of coupling are secured on support section and telescoping section, and intermediate rigid pipelines are interconnected by flexible pipeline placed inside coil springs. EFFECT: improved reliability of machine as a whole, provision of compact design and protection against damage of pipelines in service. 1 dwg

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RU 2 180 313 C2

Authors

Poletajkin V.F.

Avdeeva E.V.

Dates

2002-03-10—Published

1995-06-28—Filed

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