Multipurpose mining machine

Patent · Tue Jun 22 04:00:00 EDT 1993

OSTI ID:6480532

Mraz, D

A mining machine is described comprising: a frame undercarriage including a forward end, a rearward end, and traction means for driving the frame undercarriage towards a seam face to be mined; a cutting assembly including a plurality of rotatable cutting elements each having a substantially horizontal rotation axis disposed perpendicularly to the seam face, a gear box interconnecting the plurality of cutting elements and drive motor means for rotating the cutting elements through the gear box; means for swinging the cutting assembly up and down with respect to the seam face about a horizontal swing axis parallel to the seam face, said gear box being rotatable mounted on the swinging means for rotation about an axis parallel to the rotation axes of the cutting elements; and means for pivotally mounting the swinging means on the forward end of the carriage to input pivotal movement of the cutting assembly about a vertical pivot axis.

• Assignee: Mraz Project Consulting Services, Inc., Saskatoon, Saskatchewan (Canada)
• Patent Number(s): A; US 5221122
• Application Number: PPN: US 7-720384
• OSTI ID: 6480532
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012030* -- Coal
Lignite
& Peat-- Underground Mining-- (1987-)
42 ENGINEERING
422000 -- Engineering-- Mining & Underground Engineering-- (1980-)
CUTTING TOOLS
DESIGN
EQUIPMENT
MINING
MINING EQUIPMENT
MOTION
POSITIONING
ROTATION
TOOLS
UNDERGROUND MINING
WORKING FACES