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 picksInfo
- 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
Links
- 238000005065 mining Methods 0.000 title abstract 2
- 239000003245 coal Substances 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
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.
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)
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 |
-
1961
- 1961-06-17 GB GB2197061A patent/GB934237A/en not_active Expired
Cited By (5)
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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