JPH0346036Y2 - - Google Patents
Info
- Publication number
- JPH0346036Y2 JPH0346036Y2 JP19876884U JP19876884U JPH0346036Y2 JP H0346036 Y2 JPH0346036 Y2 JP H0346036Y2 JP 19876884 U JP19876884 U JP 19876884U JP 19876884 U JP19876884 U JP 19876884U JP H0346036 Y2 JPH0346036 Y2 JP H0346036Y2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- rotation center
- drilling
- screws
- gear
- 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
- 238000005553 drilling Methods 0.000 claims description 20
- 239000002689 soil Substances 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19876884U JPH0346036Y2 (en, 2012) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19876884U JPH0346036Y2 (en, 2012) | 1984-12-28 | 1984-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116852U JPS61116852U (en, 2012) | 1986-07-23 |
| JPH0346036Y2 true JPH0346036Y2 (en, 2012) | 1991-09-27 |
Family
ID=30758067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19876884U Expired JPH0346036Y2 (en, 2012) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346036Y2 (en, 2012) |
-
1984
- 1984-12-28 JP JP19876884U patent/JPH0346036Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61116852U (en, 2012) | 1986-07-23 |
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