JPS63151704U - - Google Patents
Info
- Publication number
- JPS63151704U JPS63151704U JP4610887U JP4610887U JPS63151704U JP S63151704 U JPS63151704 U JP S63151704U JP 4610887 U JP4610887 U JP 4610887U JP 4610887 U JP4610887 U JP 4610887U JP S63151704 U JPS63151704 U JP S63151704U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- rotary
- mud
- rotary cover
- fall
- 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
- 210000000078 claw Anatomy 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4610887U JPS63151704U (enExample) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4610887U JPS63151704U (enExample) | 1987-03-27 | 1987-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151704U true JPS63151704U (enExample) | 1988-10-05 |
Family
ID=30865468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4610887U Pending JPS63151704U (enExample) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151704U (enExample) |
-
1987
- 1987-03-27 JP JP4610887U patent/JPS63151704U/ja active Pending