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AU7022091A - Miner cutting bit holding apparatus - Google Patents

Miner cutting bit holding apparatus

Info

Publication number
AU7022091A
AU7022091A AU70220/91A AU7022091A AU7022091A AU 7022091 A AU7022091 A AU 7022091A AU 70220/91 A AU70220/91 A AU 70220/91A AU 7022091 A AU7022091 A AU 7022091A AU 7022091 A AU7022091 A AU 7022091A
Authority
AU
Australia
Prior art keywords
holding apparatus
cutting bit
bit holding
miner cutting
miner
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.)
Granted
Application number
AU70220/91A
Other versions
AU627395B2 (en
Inventor
Stephen P. Moore
Michael L. O'neill
Eugene F. Pendolino
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.)
Joy Technologies Inc
Original Assignee
Joy Technologies Inc
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
Priority claimed from US07/269,381 external-priority patent/US4915455A/en
Priority claimed from US07/475,063 external-priority patent/US5011229A/en
Application filed by Joy Technologies Inc filed Critical Joy Technologies Inc
Publication of AU7022091A publication Critical patent/AU7022091A/en
Application granted granted Critical
Publication of AU627395B2 publication Critical patent/AU627395B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/191—Means for fixing picks or holders for fixing holders

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
AU70220/91A 1988-11-09 1991-02-04 Miner cutting bit holding apparatus Ceased AU627395B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US269381 1988-11-09
US07/269,381 US4915455A (en) 1988-11-09 1988-11-09 Miner cutting bit holding apparatus
US475063 1990-02-05
US07/475,063 US5011229A (en) 1988-11-09 1990-02-05 Miner cutting bit holding apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU43625/89A Addition AU618637B2 (en) 1988-11-09 1989-10-20 Miner cutting bit holding apparatus

Publications (2)

Publication Number Publication Date
AU7022091A true AU7022091A (en) 1991-08-08
AU627395B2 AU627395B2 (en) 1992-08-20

Family

ID=26953663

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70220/91A Ceased AU627395B2 (en) 1988-11-09 1991-02-04 Miner cutting bit holding apparatus

Country Status (1)

Country Link
AU (1) AU627395B2 (en)

Also Published As

Publication number Publication date
AU627395B2 (en) 1992-08-20

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