Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Patent
1981-10-23
1983-09-13
Pate, III, William F.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter attached to endless chain or cable
E21C 2732
Patent
active
044038097
ABSTRACT:
A mineral winning plough, such as a coal plough, has a plough body adapted to be moved to and fro alongside a mineral face on a plough guide. The plough body is provided with a pair of vertically-adjustable carriers, each of which is provided with floor cutters. The plough body is provided with setting means for raising and lowering the carriers into rest and working positions respectively. The setting means comprises a slide plate, and an intermediate member. The slide plate is mounted in an aperture in the plough body for limited movement relative thereto. The slide plate is attachable to a plough drive chain. The intermediate member forms a mechanical operative connection between the slide plate and the two carriers. The intermediate member is rotatably mounted on the plough body, and is positioned between the two carriers. The arrangement is such that movement of the slide plate relative to the plough body in a given direction forces one of the carriers to be lowered into its working position, and causes the other carrier to be raised into its rest position.
Breuer Oswald
Hauschopp Alois
Steinkuhl Bernd
Gewerkschaft Eisenhutte Westfalia
Hjorth Beverly E.
Pate III William F.
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