AU2597767A - Mining machine with laterally extensible trim chain sprockets and locking means therefor - Google Patents

Mining machine with laterally extensible trim chain sprockets and locking means therefor

Info

Publication number
AU2597767A
AU2597767A AU25977/67A AU2597767A AU2597767A AU 2597767 A AU2597767 A AU 2597767A AU 25977/67 A AU25977/67 A AU 25977/67A AU 2597767 A AU2597767 A AU 2597767A AU 2597767 A AU2597767 A AU 2597767A
Authority
AU
Australia
Prior art keywords
locking means
mining machine
means therefor
chain sprockets
laterally extensible
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU25977/67A
Inventor
Jerry Garlovsky, Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Mine Service Co
Original Assignee
National Mine Service Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Mine Service Co filed Critical National Mine Service Co
Priority to AU25977/67A priority Critical patent/AU2597767A/en
Publication of AU2597767A publication Critical patent/AU2597767A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/01—Machines which completely free the mineral from the seam specially adapted for removing overhanging coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU25977/67A 1967-08-16 1967-08-16 Mining machine with laterally extensible trim chain sprockets and locking means therefor Expired AU2597767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25977/67A AU2597767A (en) 1967-08-16 1967-08-16 Mining machine with laterally extensible trim chain sprockets and locking means therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU25977/67A AU2597767A (en) 1967-08-16 1967-08-16 Mining machine with laterally extensible trim chain sprockets and locking means therefor

Publications (1)

Publication Number Publication Date
AU2597767A true AU2597767A (en) 1969-02-20

Family

ID=3714625

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25977/67A Expired AU2597767A (en) 1967-08-16 1967-08-16 Mining machine with laterally extensible trim chain sprockets and locking means therefor

Country Status (1)

Country Link
AU (1) AU2597767A (en)

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