GB1066251A - Improved pick box to which a mineral cutting pick is operatively detachably secured - Google Patents
Improved pick box to which a mineral cutting pick is operatively detachably securedInfo
- Publication number
- GB1066251A GB1066251A GB1089564A GB1089564A GB1066251A GB 1066251 A GB1066251 A GB 1066251A GB 1089564 A GB1089564 A GB 1089564A GB 1089564 A GB1089564 A GB 1089564A GB 1066251 A GB1066251 A GB 1066251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- box
- bore
- shaft
- pick
- 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
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 3
- 239000011707 mineral Substances 0.000 title abstract 3
- 238000005065 mining Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 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
- 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
1,066,251. Mineral mining picks. ANDERSON MAVOR Ltd. June 14, 1965 [March 14, 1964], No. 10895/64. Heading E1F. The shaft 6 of a mineral cutting pick 7 is secured in a passage 4 of a pick box by the lower edge portion of a flat on a rotatable rod 11 engaging a notch 15 in the shaft. The rod is rotatably mounted in a bore 10 of the box having a portion communicating with the passage 4, and the rod is biased towards an angular setting in which the rod engages the notch by a detent 18 in a bore 17 of the box which is resiliently urged into contact with a portion of a further flat 16 on the rod on the side of the axis of rotation remote from the shaft contacting lower side by a resiliently deformable member 19, e.g. of rubber, and a screwthreaded plug 20 in an enlarged portion 21 of the bore. One or more detents with associated urging means may be utilised, each engaging a separate flat 16 on the rod. In a modification the resiliently deformable member is mounted in a further bore intersecting the bore 16 at right angles. The shaft has a squared end outside the box for manually tuning the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1089564A GB1066251A (en) | 1964-03-14 | 1964-03-14 | Improved pick box to which a mineral cutting pick is operatively detachably secured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1089564A GB1066251A (en) | 1964-03-14 | 1964-03-14 | Improved pick box to which a mineral cutting pick is operatively detachably secured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1066251A true GB1066251A (en) | 1967-04-26 |
Family
ID=9976300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1089564A Expired GB1066251A (en) | 1964-03-14 | 1964-03-14 | Improved pick box to which a mineral cutting pick is operatively detachably secured |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1066251A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163581A (en) * | 1977-05-04 | 1979-08-07 | The Cincinnati Mine Machinery Co. | Retaining means for the connecting pin which joins a bit holder to a base member |
| GB2175938A (en) * | 1985-05-31 | 1986-12-10 | Joy Mfg Co | Rotary retainer for mining bits |
| EP1531231A1 (en) * | 2003-11-11 | 2005-05-18 | Keystone Engineering & Manufacturing Corporation | Retainer for a cutting tool |
| US7338134B2 (en) * | 2005-11-23 | 2008-03-04 | Keystone Engineering & Manufacturing Corp. | Flighting and tool holder |
-
1964
- 1964-03-14 GB GB1089564A patent/GB1066251A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163581A (en) * | 1977-05-04 | 1979-08-07 | The Cincinnati Mine Machinery Co. | Retaining means for the connecting pin which joins a bit holder to a base member |
| GB2175938A (en) * | 1985-05-31 | 1986-12-10 | Joy Mfg Co | Rotary retainer for mining bits |
| GB2175938B (en) * | 1985-05-31 | 1989-07-12 | Joy Mfg Co | Rotary retainer for mining bits |
| EP1531231A1 (en) * | 2003-11-11 | 2005-05-18 | Keystone Engineering & Manufacturing Corporation | Retainer for a cutting tool |
| US7108212B2 (en) | 2003-11-11 | 2006-09-19 | Keystone Engineering & Manufacturing Corporation | Angular tool and holding block |
| US7290726B2 (en) | 2003-11-11 | 2007-11-06 | Keystone Engineering & Manufacturing Corp. | Angular cutting tool |
| US7338134B2 (en) * | 2005-11-23 | 2008-03-04 | Keystone Engineering & Manufacturing Corp. | Flighting and tool holder |
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