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2 215 153

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IPC

(21) (22)

Application

2001124093/03, 2001-08-29

(24)

Start date

2001-08-29

(22)

Actual filing date

2001-08-29

(45)

Published

2003-10-27

(72)

Inventor

Andreev Georgij VladimirovichVasserman Igor' Grigor'EvichKosarev Vasilij Vasil'EvichKosarev Ivan Vasil'EvichLaptev Anatolij Grigor'EvichNepomnjashchij Aleksandr Lazarevich

(73)

Holder

Donetskij Gosudarstvennyj Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Ehksperimental'Nyj Institut Kompleksnoj Mekhanizatsii Shakht

POWERED SUPPORT UNIT Russian patent published in 2003 - IPC

Abstract RU 2215153 C2

FIELD: mining; applicable in powered support of breakage faces in mineral underground mining. SUBSTANCE: powered support unit includes hydraulic props, two bases with movable mechanism located between said bases, guard installed on roofing by hinges and connected with bases by means of, at least, two pairs of levers. Levers of one of pairs are interconnected by means of tie-rod whose ends hinged with these levers. Axis of hinged tie-rod with levers may run through common axis of hinges fastening these levers to guard. EFFECT: reduced height of bases and extended range of support use with respect to bed thickness, higher reliability of powered support unit. 2 cl, 4 dwg

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RU 2 215 153 C2

Authors

Andreev Georgij Vladimirovich

Vasserman Igor' Grigor'Evich

Kosarev Vasilij Vasil'Evich

Kosarev Ivan Vasil'Evich

Laptev Anatolij Grigor'Evich

Nepomnjashchij Aleksandr Lazarevich

Dates

2003-10-27—Published

2001-08-29—Filed