Drive arrangement for driving cutting rolls

Details Drive arrangement for driving cutting rolls Drive arrangement for driving cutting rolls

1988-11-09

1990-09-04

Massie, IV, Jerome W.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable vertically

299 89, E21C 2508

Patent

active

049539167

ABSTRACT:
In a rotationally driven cutting roll for a machine for cutting ore or other rock material from a drift face, the roll is axially divided into a plurality of roll portions arranged end to end in juxtaposition along the drift face. The roll portions are rotationally driven by a continuous, one-piece straight driving shaft. Lateral ones of the roll portions are supported coaxially with the shaft, but the medial roll portion or portions is or are supported in respective inclined positions relative to the longitudinal axis of the driving shaft. As a result, gearing ribs on the drift face are minimized in width.

REFERENCES:
patent: 3157437 (1964-11-01), Gonski
patent: 3712679 (1973-01-01), Amoroso
patent: 3848930 (1974-11-01), LeBegue
patent: 4270803 (1981-06-01), Baum
patent: 4310199 (1982-01-01), Freed, Jr. et al.

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