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2 034 143

(13)

C1

(51)

IPC

(21) (22)

Application

4945883/03, 1991-06-17

(22)

Actual filing date

1991-06-17

(45)

Published

1995-04-30

(72)

Inventor

Minichev V.I.Aleksandrov V.E.Podobed Ju.I.Konovalov V.T.

(73)

Holder

Institut Gornogo Dela Im.A.A.Skochinskogo

SHEARER Russian patent published in 1995 - IPC

Abstract RU 2034143 C1

FIELD: mining equipment. SUBSTANCE: located on driven shaft of shearer are main and additional lever-pulse mechanism and gear kinematically connected with working member and feed mechanism. Main and additional lever-pulse mechanism are in antiphase and each is connected with hydraulic jack whose head end is connected with pneumohydraulic accumulator. Location of lever-pulse mechanisms in antiphase doubles rotation speed of working member and makes system balanced. EFFECT: higher efficiency. 1 dwg

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RU 2 034 143 C1

Authors

Minichev V.I.

Aleksandrov V.E.

Podobed Ju.I.

Konovalov V.T.

Dates

1995-04-30—Published

1991-06-17—Filed

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