Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent
1992-10-14
1994-07-19
Bagnell, David J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Rotary cutter head with advance direction coincident or...
175122, 299 68, 299 75, E21C 2722, E21C 3110
Patent
active
053302575
ABSTRACT:
An auger mining apparatus includes a support frame holding a tilt platform. A tilt mechanism displaces the tilt platform at a pitch between 0.degree.-45.degree. relative to the support frame. A stacked, dual carriage arrangement is carried by the tilt platform. A bidirectional auger drive system is mounted to the upper carriage. The dual carriages are mounted for reciprocal movement along independent paths extending substantially perpendicular to one another. An auger clamp mounted to the tilt platform includes a pilot member for guiding auger sections and a mechanism allowing movement on the pilot member through two separate planes; the second perpendicular to the first. The auger clamp also includes a clamping/decoupling plate and a mechanism for moving the plate in a third plane orthogonal to the first and second planes. Thus, the pilot member with the clamping/decoupling plate may also be utilized to clamp and hold an auger line in position even in steeply pitched seams.
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Bagnell David J.
Salem Tool, Inc.
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