JPS6456978U - - Google Patents
Info
- Publication number
- JPS6456978U JPS6456978U JP14930287U JP14930287U JPS6456978U JP S6456978 U JPS6456978 U JP S6456978U JP 14930287 U JP14930287 U JP 14930287U JP 14930287 U JP14930287 U JP 14930287U JP S6456978 U JPS6456978 U JP S6456978U
- Authority
- JP
- Japan
- Prior art keywords
- chisel
- annular groove
- holder
- breaker
- steel balls
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14930287U JPS6456978U (en, 2012) | 1987-10-01 | 1987-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14930287U JPS6456978U (en, 2012) | 1987-10-01 | 1987-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6456978U true JPS6456978U (en, 2012) | 1989-04-10 |
Family
ID=31421407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14930287U Pending JPS6456978U (en, 2012) | 1987-10-01 | 1987-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6456978U (en, 2012) |
-
1987
- 1987-10-01 JP JP14930287U patent/JPS6456978U/ja active Pending