JPS6317706U - - Google Patents
Info
- Publication number
- JPS6317706U JPS6317706U JP8901686U JP8901686U JPS6317706U JP S6317706 U JPS6317706 U JP S6317706U JP 8901686 U JP8901686 U JP 8901686U JP 8901686 U JP8901686 U JP 8901686U JP S6317706 U JPS6317706 U JP S6317706U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- wing
- wedge center
- pin
- stop ring
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
第１〜５図は夫々本考案を説明するための実施
例の図ａは正面図、図ｂは図ａのｂ―ｂ断面、図
ｃは図ａのｃ―ｃ断面を示す図である。第６図ａ
はドリル全体を示す正面図で左側はその断面図、
図ｂは図ａのｂ―ｂ断面図である。
１…本体、２…ウエツジセンター、３…ストツ
プリング、４…ピン、５…スプリング、６…ナツ
ト、７…ウイング、８…切刃、９…張出顎、１０
…ウエツジ溝、１１…長孔、１２…空間。
1 to 5 are diagrams showing an embodiment for explaining the present invention; FIG. a is a front view, FIG. b is a sectional view taken along line bb in FIG. Figure 6a
is a front view showing the whole drill, the left side is a cross-sectional view,
Figure b is a sectional view taken along line bb in figure a. 1...Main body, 2...Wedge center, 3...Stop ring, 4...Pin, 5...Spring, 6...Nut, 7...Wing, 8...Cutting blade, 9...Protruding jaw, 10
... Wedge groove, 11... Long hole, 12... Space.
Claims (1)
該中空部に本体下端からウエツジセンタを挿通し
、ウエツジセンタと本体の外側に緩着したストツ
プリングとをピンによつて係合し、本体の途中に
開けた長孔に前記ピンを挿通して前記ウエツジセ
ンタとストツプリングに対し本体を上下動自在に
構成してなり、本体下端のウイング部に形成して
切刃を前記ウエツジセンタ下端の張出顎に沿つて
上下動するようにしたアンダーカツトドリルにお
いて、該張出顎の上方から下方にかけてウイング
の先端の内径が外径となる切欠溝を設けウイング
の両側部は該切欠溝の側壁に接触するように構成
したことを特徴とするアンダーカツトドリル。 The axis of the main body with a rotating shaft at the upper end is hollow,
A wedge center is inserted into the hollow portion from the lower end of the main body, the wedge center and a stop ring loosely attached to the outside of the main body are engaged with a pin, and the pin is inserted into a long hole drilled in the middle of the main body to connect the wedge center. In an undercut drill, the main body is configured to be movable up and down with respect to a stop ring, and the cutting blade is formed in a wing section at the lower end of the main body to move up and down along the overhanging jaw at the lower end of the wedge center. 1. An undercut drill, characterized in that a notch groove is formed from above to below the jaw, with the inner diameter of the tip of the wing being the outer diameter, and both sides of the wing are configured to contact side walls of the notch groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986089016U JPH0314242Y2 (en) | 1986-06-10 | 1986-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986089016U JPH0314242Y2 (en) | 1986-06-10 | 1986-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6317706U true JPS6317706U (en) | 1988-02-05 |
| JPH0314242Y2 JPH0314242Y2 (en) | 1991-03-29 |
Family
ID=30947614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986089016U Expired JPH0314242Y2 (en) | 1986-06-10 | 1986-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314242Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60146603U (en) * | 1984-03-08 | 1985-09-28 | 株式会社 ミヤナガ | Diameter expansion hole cutting device |
-
1986
- 1986-06-10 JP JP1986089016U patent/JPH0314242Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60146603U (en) * | 1984-03-08 | 1985-09-28 | 株式会社 ミヤナガ | Diameter expansion hole cutting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0314242Y2 (en) | 1991-03-29 |