JPS61137410U - - Google Patents
Info
- Publication number
- JPS61137410U JPS61137410U JP2130485U JP2130485U JPS61137410U JP S61137410 U JPS61137410 U JP S61137410U JP 2130485 U JP2130485 U JP 2130485U JP 2130485 U JP2130485 U JP 2130485U JP S61137410 U JPS61137410 U JP S61137410U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- arc surface
- axial direction
- utility
- section
- 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
- 241001272720 Medialuna californiensis Species 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は、本考案の実施例を示す正面図、第２
図は、同じく底面図である。
１……シヤンク、２……刃杆部、３……平面部
、４……半円弧面、５……溝、Ｏ……中心。
Figure 1 is a front view showing an embodiment of the present invention, Figure 2 is a front view showing an embodiment of the present invention;
The figure is also a bottom view. 1...Shank, 2...Blade rod portion, 3...Plane portion, 4...Semicircular arc surface, 5...Groove, O...Center.
Claims (1)
弧面に、軸線方向の溝を刻設してなる半月ドリル
。 A half-moon drill with a groove in the axial direction carved into the semicircular arc surface of a blade rod of constant thickness with a semicircular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2130485U JPS61137410U (en) | 1985-02-19 | 1985-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2130485U JPS61137410U (en) | 1985-02-19 | 1985-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61137410U true JPS61137410U (en) | 1986-08-26 |
Family
ID=30512577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2130485U Pending JPS61137410U (en) | 1985-02-19 | 1985-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61137410U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913475B1 (en) * | 1969-12-08 | 1974-04-01 |
-
1985
- 1985-02-19 JP JP2130485U patent/JPS61137410U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913475B1 (en) * | 1969-12-08 | 1974-04-01 |