DE212062C - - Google Patents
Info
- Publication number
- DE212062C DE212062C DENDAT212062D DE212062DA DE212062C DE 212062 C DE212062 C DE 212062C DE NDAT212062 D DENDAT212062 D DE NDAT212062D DE 212062D A DE212062D A DE 212062DA DE 212062 C DE212062 C DE 212062C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- drill head
- cavity
- wedges
- head
- 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
- 239000011435 rock Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 description 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE212062C true DE212062C (https=) |
Family
ID=473817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT212062D Active DE212062C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE212062C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412393A1 (fr) * | 1977-12-23 | 1979-07-20 | T I Litein | Dispositif pour la fixation d'outils a percussion |
-
0
- DE DENDAT212062D patent/DE212062C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412393A1 (fr) * | 1977-12-23 | 1979-07-20 | T I Litein | Dispositif pour la fixation d'outils a percussion |
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