DE249588C - - Google Patents
Info
- Publication number
- DE249588C DE249588C DENDAT249588D DE249588DA DE249588C DE 249588 C DE249588 C DE 249588C DE NDAT249588 D DENDAT249588 D DE NDAT249588D DE 249588D A DE249588D A DE 249588DA DE 249588 C DE249588 C DE 249588C
- Authority
- DE
- Germany
- Prior art keywords
- clamp
- ratchet teeth
- teeth
- ratchet
- slide rail
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007788 roughening Methods 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil
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)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE245264T | 1910-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249588C true DE249588C (OSRAM) |
Family
ID=32798572
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247769D Active DE247769C (OSRAM) | 1910-01-22 | ||
| DENDAT251568D Active DE251568C (OSRAM) | 1910-01-22 | ||
| DENDAT249588D Active DE249588C (OSRAM) | 1910-01-22 | ||
| DE1910245264D Expired - Lifetime DE245264C (OSRAM) | 1910-01-22 | 1910-01-22 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247769D Active DE247769C (OSRAM) | 1910-01-22 | ||
| DENDAT251568D Active DE251568C (OSRAM) | 1910-01-22 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1910245264D Expired - Lifetime DE245264C (OSRAM) | 1910-01-22 | 1910-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| DE (4) | DE245264C (OSRAM) |
| FR (1) | FR424998A (OSRAM) |
| GB (2) | GB191101641A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2649350A (en) * | 1948-07-27 | 1953-08-18 | Backus Edward Dickerson | Foldable cabinet |
| US4306626A (en) * | 1980-05-21 | 1981-12-22 | Duke John W | Hydraulic earth boring machine |
-
0
- DE DENDAT247769D patent/DE247769C/de active Active
- DE DENDAT251568D patent/DE251568C/de active Active
- DE DENDAT249588D patent/DE249588C/de active Active
-
1910
- 1910-01-22 DE DE1910245264D patent/DE245264C/de not_active Expired - Lifetime
-
1911
- 1911-01-18 FR FR424998D patent/FR424998A/fr not_active Expired
- 1911-01-21 GB GB191101641D patent/GB191101641A/en not_active Expired
- 1911-07-26 GB GB191117128D patent/GB191117128A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR424998A (fr) | 1911-05-30 |
| DE245264C (OSRAM) | |
| GB191117128A (en) | 1912-05-09 |
| DE247769C (OSRAM) | |
| GB191101641A (en) | 1911-07-27 |
| DE251568C (OSRAM) |
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