DE235046C - - Google Patents
Info
- Publication number
- DE235046C DE235046C DENDAT235046D DE235046DA DE235046C DE 235046 C DE235046 C DE 235046C DE NDAT235046 D DENDAT235046 D DE NDAT235046D DE 235046D A DE235046D A DE 235046DA DE 235046 C DE235046 C DE 235046C
- Authority
- DE
- Germany
- Prior art keywords
- linkage
- lever
- handle
- rotation
- gear train
- 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.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
- E21B1/04—Devices for reversing the movement of the rod or cable at the surface
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)
- Transmission Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE235046C true DE235046C (forum.php) |
Family
ID=494866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT235046D Active DE235046C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE235046C (forum.php) |
-
0
- DE DENDAT235046D patent/DE235046C/de active Active
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