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2 109 954

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C1

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IPC

(21) (22)

Application

95111489/03, 1995-07-04

(22)

Actual filing date

1995-07-04

(45)

Published

1998-04-27

(72)

Inventor

Il'In G.A.Volkov E.A.Nikolaev S.V.Davydov V.P.Potapenko V.A.Popov V.M.Dubovskij Ju.P.Golub V.P.

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Ugol'Nyj Institut"

GEAR JOINING CAPPING AND CEILING OF SECTION OF POWERED SUPPORT Russian patent published in 1998 - IPC

Abstract RU 2109954 C1

FIELD: mining industry. SUBSTANCE: invention is meant for fixing of workings with the aid of powered supports having sides of capping and ceiling or guards. Gear joining capping and ceiling of section of powered support has lugs of capping and ceiling hinged with pins. Outer side of capping and inner side of ceiling are interjoined by means of cylindrical bushings protruding towards pins and located on axis coinciding with axis of pins which are rigidly installed in outer side. Stopping gear preventing mutual axial divergence of sides is installed in bushing on side on inner side. Bushing has internal hole which diameters exceeds diameter of pin that can be installed and removed from section outside. Stopping gear is positioned on cylindrical surface of protruding part of bushing. EFFECT: improved reliability of gear. 2 cl, 4 dwg

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RU 2 109 954 C1

Authors

Il'In G.A.

Volkov E.A.

Nikolaev S.V.

Davydov V.P.

Potapenko V.A.

Popov V.M.

Dubovskij Ju.P.

Golub V.P.

Dates

1998-04-27—Published

1995-07-04—Filed

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