JPS62176286U - - Google Patents
Info
- Publication number
- JPS62176286U JPS62176286U JP6384486U JP6384486U JPS62176286U JP S62176286 U JPS62176286 U JP S62176286U JP 6384486 U JP6384486 U JP 6384486U JP 6384486 U JP6384486 U JP 6384486U JP S62176286 U JPS62176286 U JP S62176286U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- holder
- receiving groove
- fits
- protrusion
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 1
Description
第１図はこの考案のカツタービツトの一例を示
す一部破断正面図、第２図はその側面図、第３図
は第２図の―線に沿つた断面図、第４図は従
来ビツトの側面図、第５図はその―線に沿つ
た断面図である。
１０……本体、１１……掘削刃、１２……被支
持部、１３，１３′……凸部、１４……ボルト挿
入孔、２０……ボルト、３０……ホルダ、３６…
…受け溝、３７，３７′……切欠部、３８……ね
じ孔。
Fig. 1 is a partially cutaway front view showing an example of the cutter bit of this invention, Fig. 2 is a side view thereof, Fig. 3 is a sectional view taken along the line - - in Fig. 2, and Fig. 4 is a side view of the conventional bit. FIG. 5 is a sectional view taken along the line. DESCRIPTION OF SYMBOLS 10...Main body, 11...Drilling blade, 12...Supported part, 13, 13'...Convex part, 14...Bolt insertion hole, 20...Bolt, 30...Holder, 36...
...Receiving groove, 37, 37'... Notch, 38... Screw hole.
Claims (1)
削刃を備える本体、一端をホルダに螺合させる本
体のホルダへの止着ボルトから成り、上下面、前
後面、平行な２側面をもつ上記ホルダは、側面の
一方と下面に開放する方形の受け溝を有し、かつ
、この溝に画された前面側と後面側の各壁部に、
側面から離れた位置で下面を凹ませる切欠部を有
し、一方、本体は、上記受け溝にほゞ適合して挿
入される被支持部と、上記切欠部の各々にほゞ適
合して嵌合する凸部と、この凸部よりも上方で被
支持部を受け溝の深さ方向に貫通する段付きの止
着ボルト挿入孔とを有し、上記切欠部に対する本
体凸部の係止状態下で本体の上面とホルダとの間
に隙間が確保されているケーシングオーガ用カツ
タービツト。 (2) 上記ホルダが受け溝の上方に位置して受け
溝に開放するガイド孔を有し、一方、上記本体は
その孔にほゞ適合して挿入する突起を上端部に有
していることを特徴とする実用新案登録請求の範
囲第(1)項記載のケーシングオーガ用カツタービ
ツト。[Claims for Utility Model Registration] (1) Consists of a holder fixed to the end of the casing pipe, a main body equipped with a digging blade, and a fixing bolt for fixing the main body to the holder, one end of which is screwed into the holder, and the upper and lower surfaces, front and rear surfaces, and parallel The above-mentioned holder, which has two sides, has a rectangular receiving groove that is open on one of the side surfaces and the bottom surface, and each wall portion on the front side and the rear side defined by this groove,
The main body has a cutout portion that recesses the lower surface at a position away from the side surface, and the main body has a supported portion that is inserted to fit approximately into the receiving groove, and a supported portion that fits and fits into each of the cutout portions. It has a mating protrusion and a stepped fastening bolt insertion hole that penetrates the supported part in the depth direction of the groove above the protrusion, and the main body protrusion is locked to the notch. A cutter bit for casing augers with a gap secured between the top surface of the main body and the holder at the bottom. (2) The holder has a guide hole that is located above the receiving groove and opens into the receiving groove, and the main body has a projection at the upper end that fits approximately into the hole and is inserted. A cutter bit for a casing auger as set forth in claim (1) of the utility model registration, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6384486U JPH0316956Y2 (en) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6384486U JPH0316956Y2 (en) | 1986-04-25 | 1986-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62176286U true JPS62176286U (en) | 1987-11-09 |
| JPH0316956Y2 JPH0316956Y2 (en) | 1991-04-10 |
Family
ID=30899452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6384486U Expired JPH0316956Y2 (en) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316956Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136190U (en) * | 1989-04-13 | 1990-11-13 | ||
| JPH0362190U (en) * | 1989-10-24 | 1991-06-18 | ||
| JP2018204382A (en) * | 2017-06-08 | 2018-12-27 | 菱建基礎株式会社 | Friction cut casing |
-
1986
- 1986-04-25 JP JP6384486U patent/JPH0316956Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136190U (en) * | 1989-04-13 | 1990-11-13 | ||
| JPH0362190U (en) * | 1989-10-24 | 1991-06-18 | ||
| JP2018204382A (en) * | 2017-06-08 | 2018-12-27 | 菱建基礎株式会社 | Friction cut casing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316956Y2 (en) | 1991-04-10 |
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