JPS621345Y2 - - Google Patents
Info
- Publication number
- JPS621345Y2 JPS621345Y2 JP2979582U JP2979582U JPS621345Y2 JP S621345 Y2 JPS621345 Y2 JP S621345Y2 JP 2979582 U JP2979582 U JP 2979582U JP 2979582 U JP2979582 U JP 2979582U JP S621345 Y2 JPS621345 Y2 JP S621345Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- holding member
- spring seat
- 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.)
- Expired
Links
- 239000011435 rock Substances 0.000 claims description 32
- 238000005553 drilling Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 description 15
- 238000010304 firing Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2979582U JPS58134484U (ja) | 1982-03-02 | 1982-03-02 | さく岩機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2979582U JPS58134484U (ja) | 1982-03-02 | 1982-03-02 | さく岩機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58134484U JPS58134484U (ja) | 1983-09-09 |
| JPS621345Y2 true JPS621345Y2 (enrdf_load_stackoverflow) | 1987-01-13 |
Family
ID=30041559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2979582U Granted JPS58134484U (ja) | 1982-03-02 | 1982-03-02 | さく岩機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58134484U (enrdf_load_stackoverflow) |
-
1982
- 1982-03-02 JP JP2979582U patent/JPS58134484U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58134484U (ja) | 1983-09-09 |
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