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2 219 386

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IPC

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Application

2001135735/06, 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 2219386 C2

FIELD: mechanical engineering. SUBSTANCE: invention relates to lifting and transportation machinery, namely to double-acting hydraulic cylinders designed for displacing single, particularly, first extensible section of multisection telescopic booms of crane-and-manipulator plants. Proposed hydraulic cylinder contains housing with welded-to-bottom, detachable through cover and double-eye end connector, one-sided hollow rod with piston and pin-type end connectors, supporting-and-sealing members of movable and fixed joints, mud scraper and channels to feed working liquid provided with threaded connecting unions. Design of housing of housing and piston with rod is optimized in hydraulic cylinder, and takeoff of working liquid from piston and rod spaces is provided for successive operation of drive hydraulic cylinders of following single sections of telescopic boom. All load-bearing parts of hydraulic cylinder are made of mediumcarbon low-alloy steel strengthened by thermomechanical machining, and highquality modern supporting and sealing members are used for mating and sealing components of movable joints. EFFECT: simplified design, decreased overall dimensions, improved weight characteristics. 6 cl, 13 dwg

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RU 2 219 386 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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