DE271783C - - Google Patents
Info
- Publication number
- DE271783C DE271783C DENDAT271783D DE271783DA DE271783C DE 271783 C DE271783 C DE 271783C DE NDAT271783 D DENDAT271783 D DE NDAT271783D DE 271783D A DE271783D A DE 271783DA DE 271783 C DE271783 C DE 271783C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- worm
- chain
- drilling
- forth
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims 6
- 238000006073 displacement reaction Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000725 suspension Substances 0.000 claims 1
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
- E21C31/04—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion
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)
- Transmission Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE271783C true DE271783C (enrdf_load_stackoverflow) |
Family
ID=528405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT271783D Active DE271783C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE271783C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT271783D patent/DE271783C/de active Active
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