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GB934237A - Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks - Google Patents

Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks

Info

Publication number
GB934237A
GB934237A GB2197061A GB2197061A GB934237A GB 934237 A GB934237 A GB 934237A GB 2197061 A GB2197061 A GB 2197061A GB 2197061 A GB2197061 A GB 2197061A GB 934237 A GB934237 A GB 934237A
Authority
GB
United Kingdom
Prior art keywords
pick
picks
box
opening
minerals
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
GB2197061A
Inventor
John Dale Lloyd
George Jerrit
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Priority to GB2197061A priority Critical patent/GB934237A/en
Publication of GB934237A publication Critical patent/GB934237A/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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

934,237. Mineral-mining picks. MAVOR & COULSON Ltd. June 15, 1962 [June 17, 1961], No. 21970/61. Class 68 (1). To improve of the securing of a pick 21 in a pick box 10, the box 10 is provided with a pick and wedge-receiving opening having a pair of opposed, upwardly convergent walls 11, 12 that allow of, when the pick 21 has been positioned in the box for the front surface 23 thereof to abut against the front wall 11 of the opening, clamping of the pick in the box when a wedge 31 is driven down into the opening to the rear of the pick, the inter-bearing faces 11, 23, 34, 25, 32 of the pick, opening and wedge being suitably inclined with respect to each other to ensure of a satisfactory wedging action in the box.
GB2197061A 1961-06-17 1961-06-17 Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks Expired GB934237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2197061A GB934237A (en) 1961-06-17 1961-06-17 Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2197061A GB934237A (en) 1961-06-17 1961-06-17 Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks

Publications (1)

Publication Number Publication Date
GB934237A true GB934237A (en) 1963-08-14

Family

ID=10171811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2197061A Expired GB934237A (en) 1961-06-17 1961-06-17 Improvements relating to cutter picks for mining coal and other minerals and to holders and securing means for such picks

Country Status (1)

Country Link
GB (1) GB934237A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259273B (en) * 1963-12-17 1968-01-25 Charbonnages De France Fa Tool holder for chisels
FR2345610A1 (en) * 1975-08-01 1977-10-21 Cincinnati Mine Machinery Co DEVICE FOR ATTACHING A TOOL HOLDER ON A SUPPORT ELEMENT
DE3434348A1 (en) * 1984-08-10 1986-02-20 Fa. Astrid Komotzki, 4600 Dortmund Holder for cutter picks in coal-winning machines
US6234579B1 (en) * 1999-04-07 2001-05-22 Kennametal Pc Inc. Cutting tool holder retention assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259273B (en) * 1963-12-17 1968-01-25 Charbonnages De France Fa Tool holder for chisels
FR2345610A1 (en) * 1975-08-01 1977-10-21 Cincinnati Mine Machinery Co DEVICE FOR ATTACHING A TOOL HOLDER ON A SUPPORT ELEMENT
US4057294A (en) * 1975-08-01 1977-11-08 The Cincinnati Mine Machinery Company Wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like
DE3434348A1 (en) * 1984-08-10 1986-02-20 Fa. Astrid Komotzki, 4600 Dortmund Holder for cutter picks in coal-winning machines
US6234579B1 (en) * 1999-04-07 2001-05-22 Kennametal Pc Inc. Cutting tool holder retention assembly

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