JPH0451992Y2 - - Google Patents
Info
- Publication number
- JPH0451992Y2 JPH0451992Y2 JP1985111538U JP11153885U JPH0451992Y2 JP H0451992 Y2 JPH0451992 Y2 JP H0451992Y2 JP 1985111538 U JP1985111538 U JP 1985111538U JP 11153885 U JP11153885 U JP 11153885U JP H0451992 Y2 JPH0451992 Y2 JP H0451992Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure oil
- passage
- pressure
- oil
- return
- 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
- 239000003921 oil Substances 0.000 description 57
- 230000001105 regulatory effect Effects 0.000 description 18
- 238000009527 percussion Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985111538U JPH0451992Y2 ( ) | 1985-07-20 | 1985-07-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985111538U JPH0451992Y2 ( ) | 1985-07-20 | 1985-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6219180U JPS6219180U ( ) | 1987-02-04 |
JPH0451992Y2 true JPH0451992Y2 ( ) | 1992-12-07 |
Family
ID=30991548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985111538U Expired JPH0451992Y2 ( ) | 1985-07-20 | 1985-07-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0451992Y2 ( ) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61125779A (ja) * | 1984-11-20 | 1986-06-13 | 日本ニユ−マチツク工業株式会社 | 衝撃動工具 |
-
1985
- 1985-07-20 JP JP1985111538U patent/JPH0451992Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61125779A (ja) * | 1984-11-20 | 1986-06-13 | 日本ニユ−マチツク工業株式会社 | 衝撃動工具 |
Also Published As
Publication number | Publication date |
---|---|
JPS6219180U ( ) | 1987-02-04 |
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