DE221751C - - Google Patents
Info
- Publication number
- DE221751C DE221751C DENDAT221751D DE221751DA DE221751C DE 221751 C DE221751 C DE 221751C DE NDAT221751 D DENDAT221751 D DE NDAT221751D DE 221751D A DE221751D A DE 221751DA DE 221751 C DE221751 C DE 221751C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- ratchet
- springs
- impact
- pawls
- 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
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 241000221535 Pucciniales Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001419 dependent effect Effects 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
- E21B6/08—Separate drives for percussion and rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Press Drives And Press Lines (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE221751C true DE221751C (enExample) |
Family
ID=482703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT221751D Active DE221751C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE221751C (enExample) |
-
0
- DE DENDAT221751D patent/DE221751C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2449191C2 (de) | Hammer | |
| DE4103196C2 (de) | Bohrgerät | |
| DE2109239A1 (de) | Kraftgetriebene Vorrichtung zum Bohren von Löchern in oder anderweitigen Bearbeiten von Beton, Mauerwerk u. dgl., insbesondere Bohrhammer | |
| CN114018626A (zh) | 一种智能建筑物混凝土强度检测装置 | |
| EP2234771B1 (de) | Handwerkzeugmaschine | |
| DE221751C (enExample) | ||
| CH588632A5 (en) | Impact drill with swashplate - has spring loaded pneumatic impact piston reciprocating inside tool drive sleeve | |
| DE102006032214A1 (de) | Handwerkzeugmaschine mit einer Schlagwerkeinheit | |
| DE102006035417B4 (de) | Handwerkzeugmaschine | |
| DE2510524A1 (de) | Schlagschrauber | |
| DE201367C (enExample) | ||
| DE229120C (enExample) | ||
| DE590116C (de) | Handgefuehrte Stangenschraemmaschine | |
| DE289081C (enExample) | ||
| DE614690C (de) | Vorrichtung zum Umsetzen einer drehenden Bewegung in eine geradlinig hin und her gehende Bewegung | |
| DE354326C (de) | Maschinelle Schlagvorrichtung zum schlagartigen Vorstossen des Werkzeuges von Stossbohrmaschinen u. dgl. | |
| DE39378C (de) | Gesteinbohrmaschine | |
| DE212742C (enExample) | ||
| EP3782766A1 (de) | Handwerkzeugmaschine | |
| EP2522466A2 (de) | Handwerkzeugmaschine | |
| DE215168C (enExample) | ||
| DE1190860B (de) | Schlagbohrvorrichtung | |
| DE434476C (de) | Selbsttaetige Bohrmaschine fuer hoelzerne Eisenbahnschwellen | |
| DE214366C (enExample) | ||
| DE198880C (enExample) |