Driving arrangement for driving the cutting rolls of a drift adv

Details Driving arrangement for driving the cutting rolls of a drift adv Driving arrangement for driving the cutting rolls of a drift adv

1987-07-16

1988-11-22

Massie, Jeorme W.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable vertically

299 89, E21C 2724

Patent

active

047861126

ABSTRACT:
In a drift advancing machine cutting rolls are rotatably supported on a centrally arranged pivoted arm. Each cutting roll has a separate drive, each of which comprises a drive motor, a drive shaft and a driven shaft being driven via a bevel gear gearing. The drive shaft is a hollow shaft, within which is accommodated the second drive shaft.

REFERENCES:
patent: 2758826 (1956-08-01), Paget
patent: 3157438 (1964-11-01), Lundquist
patent: 3614162 (1971-10-01), Teeter
patent: 3773384 (1973-11-01), Anderson
patent: 3966257 (1976-06-01), Shah
patent: 4253705 (1981-03-01), Le Begue
patent: 4270803 (1981-06-01), Baum

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