JPS61166714U - - Google Patents
Info
- Publication number
- JPS61166714U JPS61166714U JP4810885U JP4810885U JPS61166714U JP S61166714 U JPS61166714 U JP S61166714U JP 4810885 U JP4810885 U JP 4810885U JP 4810885 U JP4810885 U JP 4810885U JP S61166714 U JPS61166714 U JP S61166714U
- Authority
- JP
- Japan
- Prior art keywords
- cutting blade
- blades
- drilling tool
- drive shaft
- outer peripheral
- 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 description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図および第２図は本考案の第１実施例を示
し、第１図は側面図、第２図は穿孔時の状態図、
第３図および第４図は本考案の第２実施例を示し
、第３図は側面図、第４図は穿孔時の状態図、第
５図および第６図は従来の切削刃を示し、第５図
は側面図、第６図は穿孔時の状態図である。
３……切削刃、４……本体、５……刃、６……
底、７……駆動軸、１０……外周突出部。
1 and 2 show a first embodiment of the present invention, FIG. 1 is a side view, FIG. 2 is a diagram of the state during drilling,
3 and 4 show a second embodiment of the present invention, FIG. 3 is a side view, FIG. 4 is a state diagram during drilling, and FIGS. 5 and 6 show a conventional cutting blade, FIG. 5 is a side view, and FIG. 6 is a state diagram during drilling. 3... Cutting blade, 4... Main body, 5... Blade, 6...
Bottom, 7... Drive shaft, 10... Outer peripheral protrusion.
Claims (1)
刃が設けられ、その刃を回転させる駆動軸が取付
けられるようになつている穿孔具の切削刃におい
て、刃の先端外周部に半径方向外方に突出する外
周突出部が形成されていることを特徴とする穿孔
具の切削刃。 In the cutting blade of a drilling tool, an appropriate number of blades are provided on the circumferential edge of the tip of the main body exhibiting a substantially cylindrical shape, and a drive shaft for rotating the blades is attached. A cutting blade for a drilling tool, characterized in that an outer peripheral protrusion that protrudes outward is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4810885U JPS61166714U (en) | 1985-04-02 | 1985-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4810885U JPS61166714U (en) | 1985-04-02 | 1985-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61166714U true JPS61166714U (en) | 1986-10-16 |
Family
ID=30564047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4810885U Pending JPS61166714U (en) | 1985-04-02 | 1985-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61166714U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743911B2 (en) * | 1974-09-20 | 1982-09-17 |
-
1985
- 1985-04-02 JP JP4810885U patent/JPS61166714U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743911B2 (en) * | 1974-09-20 | 1982-09-17 |