DE128529C - - Google Patents
Info
- Publication number
- DE128529C DE128529C DENDAT128529D DE128529DA DE128529C DE 128529 C DE128529 C DE 128529C DE NDAT128529 D DENDAT128529 D DE NDAT128529D DE 128529D A DE128529D A DE 128529DA DE 128529 C DE128529 C DE 128529C
- Authority
- DE
- Germany
- Prior art keywords
- impact
- hammer
- hammers
- rock drilling
- spring
- 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
- 238000005553 drilling Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000009527 percussion Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/066—Means for driving the impulse member using centrifugal or rotary impact elements
- B25D11/068—Means for driving the impulse member using centrifugal or rotary impact elements in which the tool bit or anvil is hit by a rotary impulse member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE128529C true DE128529C (cs) |
Family
ID=397051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT128529D Active DE128529C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE128529C (cs) |
-
0
- DE DENDAT128529D patent/DE128529C/de active Active
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