JPS63108485U - - Google Patents
Info
- Publication number
- JPS63108485U JPS63108485U JP20402186U JP20402186U JPS63108485U JP S63108485 U JPS63108485 U JP S63108485U JP 20402186 U JP20402186 U JP 20402186U JP 20402186 U JP20402186 U JP 20402186U JP S63108485 U JPS63108485 U JP S63108485U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- slit
- longitudinal direction
- utility
- rotational force
- 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
- 238000005553 drilling Methods 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Description
第１図はローラーの全体配置図を表わす。第２
図はローラーの断面形状を表わす。
図中、１……ローラー、２……軸受け、３……
ロツド、４……切削ヘツド。
FIG. 1 shows the overall layout of the rollers. Second
The figure shows the cross-sectional shape of the roller. In the figure, 1...roller, 2...bearing, 3...
Rod, 4...Cutting head.
Claims (1)
パー状の軸受けを設け、掘削時の回転力に依つて
回転するスリツト状のローラーを設けたロツド。 Connecting rod for earth drill A rod with a tapered bearing in the longitudinal direction of the side surface and a slit-shaped roller that rotates depending on the rotational force during drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20402186U JPS63108485U (en) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20402186U JPS63108485U (en) | 1986-12-27 | 1986-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63108485U true JPS63108485U (en) | 1988-07-13 |
Family
ID=31169892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20402186U Pending JPS63108485U (en) | 1986-12-27 | 1986-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63108485U (en) |
-
1986
- 1986-12-27 JP JP20402186U patent/JPS63108485U/ja active Pending