Mining machinery

Patent · Tue Mar 27 04:00:00 EST 1984

OSTI ID:6651647

Jolly, H

The disclosure relates to a mining machine consisting of four basic parts, a cutting head, revolving sections, stationary sections, and an upper section. These parts being cylindrical in shape with mitered ends. A journalled articulated drill shaft with a spiral configuration extends through the four basic parts. After the machine is passed through a vertical bore hole the revolving sections are turned to form an angular configuration. With the journalled articulated drill shaft turning, revolving the cutting head, the upper section of machine is turned, mining in cylindrical patterns and transporting material to the surface through the machines spiral shafts. Extension of horizontal length of machine in cavern is achieved by simultaneously turning revolving sections and descending machine through bore hole. After extensions of machine mining the process is repeated.

• Assignee: EDB-84-143671
• Patent Number(s): US 4438821
• OSTI ID: 6651647
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
AUGER MINING
COAL MINES
DESIGN
ENGINEERING
ENVIRONMENTAL IMPACTS
EQUIPMENT
HAZARDS
HEALTH HAZARDS
MINES
MINING
MINING ENGINEERING
MINING EQUIPMENT
OCCUPATIONAL SAFETY
OPTIMIZATION
PRODUCTION
SAFETY
SURFACE MINING
UNDERGROUND FACILITIES
UNDERGROUND MINING