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2 219 385

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IPC

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Application

2001135732/06, 2001-12-25

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Start date

2001-12-25

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Actual filing date

2001-12-25

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Published

2003-12-20

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Inventor

Bogdanov V.O.Laptev A.V.Moshkin V.S.Okon'Skij A.B.Pyr'Ev A.A.Khaliulin A.G.Abramov V.I.Vasil'Kova A.F.Kravchenko T.A.Kulakov G.A.Makarichev G.M.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Kompanija Uralterminalmash"Otkrytoe Aktsionernoe Obshchestvo

HYDRAULIC CYLINDER Russian patent published in 2003 - IPC

Abstract RU 2219385 C2

FIELD: mechanical engineering. SUBSTANCE: invention relates to lifting and transportation machinery, namely, to double-acting hydraulic cylinders designed for lifting and lowering support and mounting feet of outriggers of crane-and-manipulator plants. Proposed hydraulic cylinder contains housing with welded-to bottom, detachable through cover and end connector for fastening on end of extensible beam of slewing gear of crane-and-manipulator plant, one sided hollow rod with piston and end connector for butt-joining of foot with selfaligning support bearing plate, supporting and sealing members of movable and fixed joints, mud scraper and channels to feed working liquid provided with threaded connecting unions. Threaded unions for delivery of working liquid into piston and rod spaces of hydraulic cylinder are spaced in circumference. Bosses with threaded holes designed for fastening mounted one-sided pilot-controlled check valve are welded on side wall of housing sleeve. EFFECT: simplified design, decreased overall dimensions, improved reliability in operation and facilitated assembling and disassembling of hydraulic cylinder. 5 cl, 10 dwg

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RU 2 219 385 C2

Authors

Bogdanov V.O.

Laptev A.V.

Moshkin V.S.

Okon'Skij A.B.

Pyr'Ev A.A.

Khaliulin A.G.

Abramov V.I.

Vasil'Kova A.F.

Kravchenko T.A.

Kulakov G.A.

Makarichev G.M.

Dates

2003-12-20—Published

2001-12-25—Filed

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