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GB743234A - Improvements relating to pick boxes for coal or like mineral cutting machines - Google Patents

Improvements relating to pick boxes for coal or like mineral cutting machines

Info

Publication number
GB743234A
GB743234A GB2417553A GB2417553A GB743234A GB 743234 A GB743234 A GB 743234A GB 2417553 A GB2417553 A GB 2417553A GB 2417553 A GB2417553 A GB 2417553A GB 743234 A GB743234 A GB 743234A
Authority
GB
United Kingdom
Prior art keywords
holder
pick
coal
improvements relating
cutting machines
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
GB2417553A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2417553A priority Critical patent/GB743234A/en
Publication of GB743234A publication Critical patent/GB743234A/en
Expired 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
    • E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank
    • 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
    • E21C35/1936—Means for fixing picks or holders using bolts as main fixing elements the picks having a square- or rectangular-section shank

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)

Abstract

743,234. Mineral-mining apparatus. COOK, J. A. Aug. 30, 1954 [Sept. 1, 1953; June 3, 1954], Nos. 24175/53 and 16508/54. Class 68(1) 'A pick box of a mineral-mining machine comprises a body d in which is formed a socket c, a holder b detachably fitted in said socket, and a pick a positioned within and in interlocking engagement with the holder when the holder is secured within the body; the shank of the bit, the holder and the socket being co-axial when assembled together. Various constructions of pick boxes having the above disclosed features are described.
GB2417553A 1953-09-01 1953-09-01 Improvements relating to pick boxes for coal or like mineral cutting machines Expired GB743234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2417553A GB743234A (en) 1953-09-01 1953-09-01 Improvements relating to pick boxes for coal or like mineral cutting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2417553A GB743234A (en) 1953-09-01 1953-09-01 Improvements relating to pick boxes for coal or like mineral cutting machines

Publications (1)

Publication Number Publication Date
GB743234A true GB743234A (en) 1956-01-11

Family

ID=10207590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2417553A Expired GB743234A (en) 1953-09-01 1953-09-01 Improvements relating to pick boxes for coal or like mineral cutting machines

Country Status (1)

Country Link
GB (1) GB743234A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030088A (en) * 1958-12-22 1962-04-17 Saskatchewan Potash Cutter bit holder
US3063691A (en) * 1959-11-09 1962-11-13 Joy Mfg Co Cutter bit and support therefor
US3092374A (en) * 1958-02-06 1963-06-04 Cincinnati Mine Machinery Co Resilient engagement device
GB2151284A (en) * 1983-12-14 1985-07-17 Hall & Pickles Ltd Pick box
US5370448A (en) * 1993-05-17 1994-12-06 Cincinnati Mine Machinery Company Wedging arrangement for attaching a bit holder to the base member of a mining road working, or earth moving machine
US5605382A (en) * 1995-08-02 1997-02-25 Kennametal Inc. Cutting tool retention system
CN117552784A (en) * 2024-01-11 2024-02-13 大同市同华矿机制造有限责任公司 Cutting tool bit and cutting drum

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092374A (en) * 1958-02-06 1963-06-04 Cincinnati Mine Machinery Co Resilient engagement device
US3030088A (en) * 1958-12-22 1962-04-17 Saskatchewan Potash Cutter bit holder
US3063691A (en) * 1959-11-09 1962-11-13 Joy Mfg Co Cutter bit and support therefor
GB2151284A (en) * 1983-12-14 1985-07-17 Hall & Pickles Ltd Pick box
US5370448A (en) * 1993-05-17 1994-12-06 Cincinnati Mine Machinery Company Wedging arrangement for attaching a bit holder to the base member of a mining road working, or earth moving machine
US5605382A (en) * 1995-08-02 1997-02-25 Kennametal Inc. Cutting tool retention system
CN117552784A (en) * 2024-01-11 2024-02-13 大同市同华矿机制造有限责任公司 Cutting tool bit and cutting drum
CN117552784B (en) * 2024-01-11 2024-03-22 大同市同华矿机制造有限责任公司 Cutting tool bit and cutting drum

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