GB218065A - Improvements in or relating to coal cutting machines - Google Patents

Improvements in or relating to coal cutting machines

Info

Publication number
GB218065A
GB218065A GB1240523A GB1240523A GB218065A GB 218065 A GB218065 A GB 218065A GB 1240523 A GB1240523 A GB 1240523A GB 1240523 A GB1240523 A GB 1240523A GB 218065 A GB218065 A GB 218065A
Authority
GB
United Kingdom
Prior art keywords
holder
tongues
link
holes
picks
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
GB1240523A
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.)
ARTHUR JAMES WILKINSON
Original Assignee
ARTHUR JAMES WILKINSON
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 ARTHUR JAMES WILKINSON filed Critical ARTHUR JAMES WILKINSON
Priority to GB1240523A priority Critical patent/GB218065A/en
Publication of GB218065A publication Critical patent/GB218065A/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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

218,065. Wilkinson, A. J. May 9, 1923. Endless - chain machines of the type having the picks detachably assembled in socket holes in their holders and the holders removably secured to the chain by slidably assembling same on suitably shaped parts of the chain links and inserting a fastening member, comprise a holder with tapered sockets, picks removably inserted within the sockets, tongues on the holder and grooves in the link for slidably assembling the tongues, and holes transversely through the holder and link for receiving a fastening member. The holders 1 have tongues 3 engaging grooves 4 in the links 2 the grooves 4 having block ends 4<a> which are engaged by the ends 3b of the tongues 3. A cotter 5 is passed through aligned holes 6 in the holder and link when the holder is assembled, and secured by a pin. One or more picks are passed through tapered holes in the holder and retained by the link when the holder is in position.
GB1240523A 1923-05-09 1923-05-09 Improvements in or relating to coal cutting machines Expired GB218065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1240523A GB218065A (en) 1923-05-09 1923-05-09 Improvements in or relating to coal cutting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1240523A GB218065A (en) 1923-05-09 1923-05-09 Improvements in or relating to coal cutting machines

Publications (1)

Publication Number Publication Date
GB218065A true GB218065A (en) 1924-07-03

Family

ID=10003975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1240523A Expired GB218065A (en) 1923-05-09 1923-05-09 Improvements in or relating to coal cutting machines

Country Status (1)

Country Link
GB (1) GB218065A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452081A (en) * 1944-07-10 1948-10-26 Joy Mfg Co Cutter chain
US2452082A (en) * 1944-07-13 1948-10-26 Joy Mfg Co Cutter chain
US2583243A (en) * 1950-04-03 1952-01-22 Tweedie Charles James Chain saw
US2756867A (en) * 1950-11-21 1956-07-31 Joy Mfg Co Conveyor chain with replaceable flights
US2756868A (en) * 1950-11-21 1956-07-31 Joy Mfg Co Replaceable flight conveyor chain
US3305274A (en) * 1964-12-14 1967-02-21 Kennametal Inc Mining machine tool and holder
AU2016202062B1 (en) * 2015-04-08 2016-06-16 Nfm Technologies An excavating tool for a tunnel boring machine and boring machine comprising such a tool

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452081A (en) * 1944-07-10 1948-10-26 Joy Mfg Co Cutter chain
US2452082A (en) * 1944-07-13 1948-10-26 Joy Mfg Co Cutter chain
US2583243A (en) * 1950-04-03 1952-01-22 Tweedie Charles James Chain saw
US2756867A (en) * 1950-11-21 1956-07-31 Joy Mfg Co Conveyor chain with replaceable flights
US2756868A (en) * 1950-11-21 1956-07-31 Joy Mfg Co Replaceable flight conveyor chain
US3305274A (en) * 1964-12-14 1967-02-21 Kennametal Inc Mining machine tool and holder
AU2016202062B1 (en) * 2015-04-08 2016-06-16 Nfm Technologies An excavating tool for a tunnel boring machine and boring machine comprising such a tool

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