JPS6185405U - - Google Patents
Info
- Publication number
- JPS6185405U JPS6185405U JP17189984U JP17189984U JPS6185405U JP S6185405 U JPS6185405 U JP S6185405U JP 17189984 U JP17189984 U JP 17189984U JP 17189984 U JP17189984 U JP 17189984U JP S6185405 U JPS6185405 U JP S6185405U
- Authority
- JP
- Japan
- Prior art keywords
- cutting surface
- blade plate
- cutting
- acute
- intersection
- 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 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は本案品の斜面図、第２図は要部の正面
図、第３図は平刃板先端の側断面図、第４図はガ
イド刃板の側断面図である。
１……平刃板、２……ガイド刃板、１ａ，２ａ
……切削面、３，５……逃凹溝、４，６……鋭角
刃。
Fig. 1 is an oblique view of the proposed product, Fig. 2 is a front view of the main parts, Fig. 3 is a side sectional view of the tip of the flat blade plate, and Fig. 4 is a side sectional view of the guide blade plate. 1...Flat blade plate, 2...Guide blade plate, 1a, 2a
... Cutting surface, 3, 5 ... Relief groove, 4, 6 ... Sharp blade.
Claims (1)
イド刃板２を一体に設け、このガイド刃板２の両
側面に切削面２ａを形成し、このガイド刃板２の
表裏面に切削面２ａに添つて逃凹溝３を形成して
切削面２ａと逃凹溝３外縁との交叉角部を鋭角刃
４に形成し、平刃板１のガイド刃板２を除いた先
端両面に同じく切削面１ａを形成し、この平刃板
１の表裏面に切削面１ａに添つて逃凹溝５を形成
して切削面１ａと逃凹溝５外縁との交叉角部を鋭
角刃６に形成した事を特徴とする木工用穿孔ビツ
ト。 A triangular guide blade plate 2 is integrally provided at the center of the tip of the rectangular flat blade plate 1, cutting surfaces 2a are formed on both sides of the guide blade plate 2, and cutting surfaces are formed on the front and back surfaces of the guide blade plate 2. A recess groove 3 is formed along the cutting surface 2a, and the intersection of the cutting surface 2a and the outer edge of the recess groove 3 is formed into an acute-angled blade 4. A cutting surface 1a is formed, and a relief groove 5 is formed along the cutting surface 1a on the front and back surfaces of the flat blade plate 1, and the intersection of the cutting surface 1a and the outer edge of the relief groove 5 is formed into an acute-angled blade 6. A drilling bit for woodworking that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17189984U JPS6185405U (en) | 1984-11-13 | 1984-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17189984U JPS6185405U (en) | 1984-11-13 | 1984-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6185405U true JPS6185405U (en) | 1986-06-05 |
Family
ID=30729575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17189984U Pending JPS6185405U (en) | 1984-11-13 | 1984-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6185405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62173202A (en) * | 1986-01-24 | 1987-07-30 | ジ ア−ウイン カンパニ− | Speed drilling bit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736991A (en) * | 1971-07-23 | 1973-06-05 | N Maine | Drilling attachment for chain saw |
-
1984
- 1984-11-13 JP JP17189984U patent/JPS6185405U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736991A (en) * | 1971-07-23 | 1973-06-05 | N Maine | Drilling attachment for chain saw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62173202A (en) * | 1986-01-24 | 1987-07-30 | ジ ア−ウイン カンパニ− | Speed drilling bit |