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(19)

RU

(11)

2 093 677

(13)

C1

(51)

IPC

(21) (22)

Application

4848477/03, 1990-07-09

(22)

Actual filing date

1990-07-09

(45)

Published

1997-10-20

(72)

Inventor

Shmakin I.G.Shaev L.M.Skurov A.G.Girshovich G.A.

(73)

Holder

Tul'Skij Gosudarstvennyj Tekhnicheskij Universitet

OPERATING MEMBER OF TUNNELING MACHINE Russian patent published in 1997 - IPC

Abstract RU 2093677 C1

FIELD: mining machinery. SUBSTANCE: each arm of tunneling machine operating member is made up of two pivotally interconnected moving and stationary parts. Stationary parts are secured on housing of transfer reduction unit. Movable parts are connected with housing of transfer reduction unit by means of pivotally mounted hydraulic jacks and are located in parallel to axis of rotation of transfer reduction unit. Axes of hinges which connect parts of arm are located in parallel to axes of rotation of shafts of cutting disks. EFFECT: high efficiency. 3 dwg

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RU 2 093 677 C1

Authors

Shmakin I.G.

Shaev L.M.

Skurov A.G.

Girshovich G.A.

Dates

1997-10-20—Published

1990-07-09—Filed

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