DEVICE FOR SUPPORT AND FEED OF DRILLING MACHINE Russian patent published in 1995 - IPC

Abstract RU 2040692 C1

FIELD: mining. SUBSTANCE: device for support and feed of drilling machine reduces period of process cycle of drilling due to hinge fastening the telescopic support to carriage by lower part to which tie-rod is hinged. Tie-rod consists of two parts interconnected by bushing having right-hand and left-hand thread. In so doing, the other end of tie-rod is hinged to upper and fixed part of telescopic support. EFFECT: higher efficiency of drilling due to reduction of drilling cycle period. 4 cl, 3 dwg

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RU 2 040 692 C1

Authors

Petrakov Ivan Aleksandrovich[Ua]

Dates

1995-07-25—Published

1991-04-22—Filed