DEVICE FOR ORE DRAWING AND LOADING Russian patent published in 1998 - IPC

Abstract RU 2122637 C1

FIELD: mining industry; applicable for drawing of ore from working space with withdrawal of vibrating feeder from under goaf after working out of block or chamber. SUBSTANCE: device includes vibrating feeder and U-shaped gate having two rubber corrugated chambers located in space between gate walls and end wall of vibrating feeder. Withdrawal of vibrating feeder from goaf is effected by supply or discharge of compressed air from chambers due to displacement of gate. EFFECT: higher efficiency of device for withdrawal of vibrating feeder from ore goaf. 2 dwg

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RU 2 122 637 C1

Authors

Kudrjavtsev Ju.I.

Chekmenev A.N.

Makeev V.A.

Dates

1998-11-27—Published

1997-07-08—Filed