JPH01156807U - - Google Patents
Info
- Publication number
- JPH01156807U JPH01156807U JP5479388U JP5479388U JPH01156807U JP H01156807 U JPH01156807 U JP H01156807U JP 5479388 U JP5479388 U JP 5479388U JP 5479388 U JP5479388 U JP 5479388U JP H01156807 U JPH01156807 U JP H01156807U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- holder
- rotation
- switching device
- motor
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5479388U JPH01156807U (en]) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5479388U JPH01156807U (en]) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01156807U true JPH01156807U (en]) | 1989-10-27 |
Family
ID=31280707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5479388U Pending JPH01156807U (en]) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01156807U (en]) |
-
1988
- 1988-04-22 JP JP5479388U patent/JPH01156807U/ja active Pending