DE182041C - - Google Patents
Info
- Publication number
- DE182041C DE182041C DENDAT182041D DE182041DA DE182041C DE 182041 C DE182041 C DE 182041C DE NDAT182041 D DENDAT182041 D DE NDAT182041D DE 182041D A DE182041D A DE 182041DA DE 182041 C DE182041 C DE 182041C
- Authority
- DE
- Germany
- Prior art keywords
- boom
- angle lever
- rollers
- arm
- chain
- 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
- 239000003077 lignite Substances 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/02—Machines for obtaining or the removal of materials in open-pit mines for coal, brown coal, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Shovels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE182041C true DE182041C (ko) |
Family
ID=446169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT182041D Active DE182041C (ko) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE182041C (ko) |
-
0
- DE DENDAT182041D patent/DE182041C/de active Active
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