DRIVE FOR COAL SAW Russian patent published in 1994 - IPC

Abstract RU 2024745 C1

FIELD: mining. SUBSTANCE: drive has frame, hydraulic feeding cylinder with stop and ratchet dogs, stop stand, and two additional hydraulic cylinders. A flexible stop chain passes through a hollow rod of the feeding cylinder. The chain is coupled with the stop stand by its one end and with rods of additional hydraulic cylinders through deflecting blocks by its other end. The under-piston space of the feeding cylinder is provided with controlled reducing valve. EFFECT: improved design. 2 dwg

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RU 2 024 745 C1

Authors

Kokoulin D.I.

Aksanov Sh.I.

Tomashevskij L.P.

Agarkov E.V.

Dates

1994-12-15—Published

1991-08-16—Filed