JPS61151813U - - Google Patents
Info
- Publication number
- JPS61151813U JPS61151813U JP3298485U JP3298485U JPS61151813U JP S61151813 U JPS61151813 U JP S61151813U JP 3298485 U JP3298485 U JP 3298485U JP 3298485 U JP3298485 U JP 3298485U JP S61151813 U JPS61151813 U JP S61151813U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- reinforcing portion
- groove
- blade
- utility
- 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
- 230000003014 reinforcing effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は従来のフラツトドリルによる加工の説
明図、第２図は本考案に係るフラツトドリルの分
解斜視図、第３図は本考案に係るドリルの作動時
を示す斜視図、第４図は本考案に係るドリルによ
る切削状態を示す説明図である。
２０……本体部、２２……取付部、２４……ロ
ツド、２６……円筒部、２８……補強部、３０…
…溝、３４……平面部、３６，３８……溝、４０
……刃部、４２ａ，４２ｂ……切刃、４４ａ，４
４ｂ……すくい面、４６ａ，４６ｂ，４７ａ，４
７ｂ……逃げ面、４８……孔。
Figure 1 is an explanatory diagram of machining using a conventional flat drill, Figure 2 is an exploded perspective view of the flat drill according to the present invention, Figure 3 is a perspective view showing the drill according to the present invention when it is in operation, and Figure 4 is the present invention. It is an explanatory view showing a cutting state by the drill concerning this. 20... Body part, 22... Mounting part, 24... Rod, 26... Cylindrical part, 28... Reinforcement part, 30...
...Groove, 34...Plane part, 36, 38...Groove, 40
...Blade part, 42a, 42b...Cutting blade, 44a, 4
4b... rake face, 46a, 46b, 47a, 4
7b... Relief surface, 48... Hole.
Claims (1)
に沿つて膨出する補強部を設け、前記補強部に当
接させて一対の切刃を有する刃部を前記ロツド先
端の嵌合部分に固着するよう構成することを特徴
とするフラツトドリル。 (2) 実用新案登録請求の範囲第１項記載のフラ
ツトドリルにおいて、補強部とロツド先端部によ
り所定形状の溝部を形成し、前記溝部に刃部を固
定してなるフラツトドリル。[Claims for Utility Model Registration] (1) A reinforcing portion that bulges out along the axial direction of the rod connected to the rotational drive shaft is provided, and a blade portion having a pair of cutting edges is brought into contact with the reinforcing portion. A flat drill characterized in that it is configured to be fixed to a fitting portion of the tip of the rod. (2) Utility Model Registration A flat drill according to claim 1, in which a groove of a predetermined shape is formed by a reinforcing portion and a rod tip, and a blade is fixed to the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3298485U JPS61151813U (en) | 1985-03-08 | 1985-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3298485U JPS61151813U (en) | 1985-03-08 | 1985-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61151813U true JPS61151813U (en) | 1986-09-19 |
Family
ID=30535010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3298485U Pending JPS61151813U (en) | 1985-03-08 | 1985-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61151813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003525763A (en) * | 2000-03-10 | 2003-09-02 | アメリカン トゥール カンパニーズ アクティーゼルスカブ | Drill |
-
1985
- 1985-03-08 JP JP3298485U patent/JPS61151813U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003525763A (en) * | 2000-03-10 | 2003-09-02 | アメリカン トゥール カンパニーズ アクティーゼルスカブ | Drill |
| JP4808892B2 (en) * | 2000-03-10 | 2011-11-02 | アメリカン トゥール カンパニーズ アクティーゼルスカブ | Drill |
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