Mining machine with adjustable jib
Patent
·
OSTI ID:6532785
A mining machine is described having a pair of crawler tracks, a means for individually driving each of the crawler tracks, a frame mounted on the crawler tracks, an elongated jib carrying a sprocket at each end, an endless cutting chain supported on the sprockets, cutters and loading flights mounted on the endless cutting chain, and means on the frame supporting the elongated jib. The means support the elongated jib consisting of a bridge on the frame, at least one scissors linkage pivotally mounted on the bridge, and arm having a first end attached to the scissors linkage, a front plate mounted on the second end of the arm and means adjustably mounting the elongated jib on the front plate. The means adjustably mount the elongated jib on the front plate including a first means for rotating the elongated jib between a vertical position and a horizontal position.
- Assignee:
- Dosco Corp., Abingdon, VA
- Patent Number(s):
- US 4668016
- OSTI ID:
- 6532785
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012032* -- Coal
Lignite
& Peat-- Underground Mining-- Transport & Services-- (1987-)
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CHAIN CONVEYORS
COAL MINES
CONVEYORS
DESIGN
EQUIPMENT
FASTENERS
HAULAGE EQUIPMENT
HOISTING
LABORATORY EQUIPMENT
MANIPULATORS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
MECHANICAL STRUCTURES
MINES
MINING
OPERATION
POSITIONING
RAILWAYS
REMOTE HANDLING EQUIPMENT
SUPPORTS
UNDERGROUND FACILITIES
UNDERGROUND MINING
012032* -- Coal
Lignite
& Peat-- Underground Mining-- Transport & Services-- (1987-)
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CHAIN CONVEYORS
COAL MINES
CONVEYORS
DESIGN
EQUIPMENT
FASTENERS
HAULAGE EQUIPMENT
HOISTING
LABORATORY EQUIPMENT
MANIPULATORS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
MECHANICAL STRUCTURES
MINES
MINING
OPERATION
POSITIONING
RAILWAYS
REMOTE HANDLING EQUIPMENT
SUPPORTS
UNDERGROUND FACILITIES
UNDERGROUND MINING