FR456045A - Rock drilling machine improvements - Google Patents
Rock drilling machine improvementsInfo
- Publication number
- FR456045A FR456045A FR456045DA FR456045A FR 456045 A FR456045 A FR 456045A FR 456045D A FR456045D A FR 456045DA FR 456045 A FR456045 A FR 456045A
- Authority
- FR
- France
- Prior art keywords
- drilling machine
- rock drilling
- machine improvements
- rock
- machine
- 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.)
- Expired
Links
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR456045T | 1913-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR456045A true FR456045A (en) | 1913-08-14 |
Family
ID=1495873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR456045D Expired FR456045A (en) | 1913-03-27 | 1913-03-27 | Rock drilling machine improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR456045A (en) |
-
1913
- 1913-03-27 FR FR456045D patent/FR456045A/en not_active Expired
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