GB623952A - Improvements in or relating to mining machines - Google Patents
Improvements in or relating to mining machinesInfo
- Publication number
- GB623952A GB623952A GB1476147A GB1476147A GB623952A GB 623952 A GB623952 A GB 623952A GB 1476147 A GB1476147 A GB 1476147A GB 1476147 A GB1476147 A GB 1476147A GB 623952 A GB623952 A GB 623952A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- mining
- anderson
- upwardly
- jib
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
623,952. Mining-machines. ANDERSON, A., and ANDERSON, BOYES, & CO., Ltd. June 4, 1947, No. 14761. [Class 68 (i)] A mining machine of the chain-cutter type has a horizontal cutter jib 10 carried by a gear-head casing 11 slidable on an inclined part 13 of the machine body to vary the height of the cut ; the movement may be effected by a hydraulic ram 15, screw gear or other means, and the incline may be upwardly and rearwardly as shown, or upwardly and forwardly. A further chain jib 16 may be provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1476147A GB623952A (en) | 1947-06-02 | 1947-06-02 | Improvements in or relating to mining machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1476147A GB623952A (en) | 1947-06-02 | 1947-06-02 | Improvements in or relating to mining machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB623952A true GB623952A (en) | 1949-05-25 |
Family
ID=10047018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1476147A Expired GB623952A (en) | 1947-06-02 | 1947-06-02 | Improvements in or relating to mining machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB623952A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796246A (en) * | 1952-06-30 | 1957-06-18 | Joy Mfg Co | Coal mining machine with laterally swingable and vertically adjustable cutter bars |
-
1947
- 1947-06-02 GB GB1476147A patent/GB623952A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796246A (en) * | 1952-06-30 | 1957-06-18 | Joy Mfg Co | Coal mining machine with laterally swingable and vertically adjustable cutter bars |
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