GB370603A - Improvements relating to coal boring machines and like apparatus - Google Patents
Improvements relating to coal boring machines and like apparatusInfo
- Publication number
- GB370603A GB370603A GB7403/31A GB740331A GB370603A GB 370603 A GB370603 A GB 370603A GB 7403/31 A GB7403/31 A GB 7403/31A GB 740331 A GB740331 A GB 740331A GB 370603 A GB370603 A GB 370603A
- Authority
- GB
- United Kingdom
- Prior art keywords
- improvements relating
- boring machines
- nut
- screw
- carried
- 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
- 239000003245 coal Substances 0.000 title 1
- 239000011435 rock Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
370,603. Rock drill supports. BUTLER, A., Firbank, Houseley, Chapeltown, Sheffield. March 10, 1931, No. 7403. [Class 124]. The strut tube 18 is freely rotatable on a bearing 20 which can be raised or lowered by the nut 16 on the screw 15, the nut being rotated by the hand-wheel 17. The screw is carried on a member 10 which can pivot over a circular path about a bolt 8 carried in the baseplate 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7403/31A GB370603A (en) | 1931-03-10 | 1931-03-10 | Improvements relating to coal boring machines and like apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7403/31A GB370603A (en) | 1931-03-10 | 1931-03-10 | Improvements relating to coal boring machines and like apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB370603A true GB370603A (en) | 1932-04-14 |
Family
ID=9832431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7403/31A Expired GB370603A (en) | 1931-03-10 | 1931-03-10 | Improvements relating to coal boring machines and like apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB370603A (en) |
-
1931
- 1931-03-10 GB GB7403/31A patent/GB370603A/en not_active Expired
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