Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable vertically
Patent
1997-10-20
1999-10-12
Bagnell, David
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter shiftable vertically
299 78, E21C 2552, E21C 2508
Patent
active
059645075
ABSTRACT:
An apparatus is provided for mining a mineral seam. The apparatus includes a frame, a propulsion system as well as first and second cutters and a cutter motor for winning aggregate material from the mineral seam. The apparatus is characterized by the cutter including a transmission gearcase having a bevel gear set, first and second sun gears, first and second planetary gear sets, first and second fixed planetary gear set carriers and first and second rotating ring gears. The output from the drive motor is connected to the bevel gear set which in turn drives the first and second sun gears which in turn drive the respective first and second planetary gear sets that in turn drive the first and second ring gears. The ring gears drive the first and second cutters, respectively.
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Baird, Jr. John A.
Blackstock Jon C.
Carr Ian T.
Bagnell David
Kreck John
Mining Technologies, Inc.
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