Mineral winning machines

Details Mineral winning machines Mineral winning machines

1983-06-28

1985-03-19

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 80, 74526, 74527, E21C 2732

Patent

active

045055181

ABSTRACT:
A mineral winning machine in the form of a coal plough has adjustable floor cutters. To set the floor cutters at different heights use is made of arcuate levers as carriers for the floor cutters which are slidably guided as known per se. Eccentric stop members engage on the upper ends of the levers and are rotatable to bring different faces into engagement with the levers. Locking means holds each stop member in its rotational setting and the locking means can be released for re-setting by axial displacement of the stop member against a spring force.

REFERENCES:
patent: 2871721 (1959-02-01), Abramoska et al.
patent: 3517570 (1970-06-01), Kolb
patent: 3877752 (1975-04-01), Hauschopp et al.
patent: 3965755 (1976-06-01), Rosenberg et al.
patent: 4069723 (1978-01-01), Payerle
patent: 4199194 (1980-04-01), Steinkuhl et al.

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