JPH01175115U - - Google Patents
Info
- Publication number
- JPH01175115U JPH01175115U JP7071588U JP7071588U JPH01175115U JP H01175115 U JPH01175115 U JP H01175115U JP 7071588 U JP7071588 U JP 7071588U JP 7071588 U JP7071588 U JP 7071588U JP H01175115 U JPH01175115 U JP H01175115U
- Authority
- JP
- Japan
- Prior art keywords
- drilling
- projecting portion
- core bit
- diamond core
- drilled
- 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
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Drilling And Boring (AREA)
Description
第１図は本考案の一実施例を示す正面図、第２
図は本考案の他の実施例を示す正面図、第３図は
第２図の平面図である。
１は電気ドリル、２はダイヤモンドコアビツト
、３は補助ハンドル、４は被穿孔材、５は穴あけ
位置決め兼横流れ防止部材、５ａは足踏み板、６
はラバーシート、７は針状部である。
Figure 1 is a front view showing one embodiment of the present invention;
The figure is a front view showing another embodiment of the present invention, and FIG. 3 is a plan view of FIG. 2. 1 is an electric drill, 2 is a diamond core bit, 3 is an auxiliary handle, 4 is a material to be drilled, 5 is a member for positioning the hole and preventing side flow, 5a is a foot plate, 6
is a rubber sheet, and 7 is a needle-shaped portion.
Claims (1)
をしたダイヤモンドコアビツトを有する穿孔器具
において、前記ダイヤモンドコアビツトと遊嵌状
態で挿通可能なリング体の外周方面に一部張り出
し部を形成させ、該張り出し部の底には、滑りに
くい部材、または針状に形成させて、被穿孔材へ
押圧可能に構成されていることを特徴とする穿孔
器具の穴あけ位置決め兼横流れ防止装置。 In a drilling tool having a diamond core bit in the shape of a cylinder with a bottom that is rotatable around a longitudinal axis of rotation, a ring body that can be inserted into the diamond core bit in a loosely fitted state has a partially projecting portion formed on the outer circumference thereof, A drilling positioning and lateral flow prevention device for a drilling instrument, characterized in that a non-slip member or a needle-shaped member is formed on the bottom of the projecting portion so as to be able to press against the material to be drilled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7071588U JPH01175115U (en) | 1988-05-27 | 1988-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7071588U JPH01175115U (en) | 1988-05-27 | 1988-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01175115U true JPH01175115U (en) | 1989-12-13 |
Family
ID=31295945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7071588U Pending JPH01175115U (en) | 1988-05-27 | 1988-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01175115U (en) |
-
1988
- 1988-05-27 JP JP7071588U patent/JPH01175115U/ja active Pending