JPH03100010U - - Google Patents
Info
- Publication number
- JPH03100010U JPH03100010U JP779890U JP779890U JPH03100010U JP H03100010 U JPH03100010 U JP H03100010U JP 779890 U JP779890 U JP 779890U JP 779890 U JP779890 U JP 779890U JP H03100010 U JPH03100010 U JP H03100010U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- mandrel part
- mandrel
- cutting blade
- view
- 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
- 238000004080 punching Methods 0.000 claims description 5
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案の穿孔用カツターの一実施例を
示す正面図、第２図ａはその心棒部であるドラム
の要部拡大右側面図、第２図ｂはそのｂ−ｂ線に
おける断面図、第３図ａは本考案の他の実施例に
おける心棒部であるドリル部の側面図、第３図ｂ
はそのｂ−ｂ線における断面図、第３図ｃはその
一部破断正面図、第４図ａは本考案のさらに他の
実施例におけるドリル部の正面図、第４図ｂはそ
の横断面図、第５図は従来の穿孔用カツターの穿
孔時の正面図、第６図ａはそれによつて形成され
る穿孔片の平面図、第６図ｂはその側面図である
。
１０……ドリル部、１１……切削刃、２０……
切刃部、２１……切刃、４０，５０……係止機構
、４２……球体、４３……押しばね、５５……係
止部材、６０……タツプねじ。
Fig. 1 is a front view showing an embodiment of the punching cutter of the present invention, Fig. 2a is an enlarged right side view of the main part of the drum, which is the shaft, and Fig. 2b is a cross-sectional view taken along line bb. Fig. 3a is a side view of the drill part which is the mandrel in another embodiment of the present invention, Fig. 3b
3C is a partially cutaway front view of the same, FIG. 4A is a front view of a drill part in yet another embodiment of the present invention, and FIG. 4B is a cross-sectional view thereof. 5 is a front view of a conventional punching cutter when punching, FIG. 6a is a plan view of a punching piece formed thereby, and FIG. 6b is a side view thereof. 10... Drill part, 11... Cutting blade, 20...
Cutting blade portion, 21... Cutting blade, 40, 50... Locking mechanism, 42... Ball, 43... Pressing spring, 55... Locking member, 60... Tap screw.
Claims (1)
部と、 該心棒部に一体回転するように取り付けられて
おり、その回転により該心棒部にて形成された貫
通孔の周囲を切削してその内部の穿孔片を切り取
ることにより穿孔する切刃部と、 前記心棒部に設けられており、該切刃部にて切
り取られた穿孔片とは係止状態になる係止機構と
、 を具備する穿孔用カツター。[Scope of Claim for Utility Model Registration] A mandrel part that can form a through hole in a material to be drilled by rotation, and a mandrel part that is attached to the mandrel part so as to rotate integrally with the mandrel part, and a through hole formed by the mandrel part by the rotation. A cutting blade part that makes a hole by cutting around the hole and cutting out a perforation piece inside the hole, and a perforation piece provided on the mandrel part and cut by the cutting blade part are in a locked state. A punching cutter equipped with a locking mechanism and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP779890U JPH03100010U (en) | 1990-01-29 | 1990-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP779890U JPH03100010U (en) | 1990-01-29 | 1990-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100010U true JPH03100010U (en) | 1991-10-18 |
Family
ID=31511452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP779890U Pending JPH03100010U (en) | 1990-01-29 | 1990-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100010U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5185575A (en) * | 1975-01-24 | 1976-07-27 | Ishii Precision Tool | KUMITATEHOROOMIRU |
| JPS6116211B2 (en) * | 1980-09-18 | 1986-04-28 | Ntn Toyo Bearing Co Ltd |
-
1990
- 1990-01-29 JP JP779890U patent/JPH03100010U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5185575A (en) * | 1975-01-24 | 1976-07-27 | Ishii Precision Tool | KUMITATEHOROOMIRU |
| JPS6116211B2 (en) * | 1980-09-18 | 1986-04-28 | Ntn Toyo Bearing Co Ltd |