Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable horizontally
Reexamination Certificate
2007-12-08
2009-10-20
Kreck, John (Department: 3672)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Cutter shiftable horizontally
C299S068000, C405S266000, C405S258100
Reexamination Certificate
active
07604301
ABSTRACT:
The dual axis grinder includes a support frame with a plate and a mast. The mast is connected to the boom of an excavator and to a hydraulic stick control cylinder. An auger tube is journaled in a bore through the support frame plate for rotation about a vertical axis. Auger flighting may be attached to the auger tube. A central support housing is attached to the bottom of the auger tube. Two cylindrical drums with grinder teeth are journaled on the central support housing for rotation about a horizontal axis that intersects the vertical axis. The auger tube is rotated by a reversible hydraulic motor. The cylindrical drums are driven by one or two reversible hydraulic motors. Hydraulic fluid is provided to drive the two drums cylindrical through a rotary hydraulic manifold. Chemicals to treat environmental contaminates are supplied through a nozzle adjacent to the cylindrical drums.
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Farris Robert L.
Farris Law, P.C.
Kreck John
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