JPS6235094U - - Google Patents
Info
- Publication number
- JPS6235094U JPS6235094U JP12426885U JP12426885U JPS6235094U JP S6235094 U JPS6235094 U JP S6235094U JP 12426885 U JP12426885 U JP 12426885U JP 12426885 U JP12426885 U JP 12426885U JP S6235094 U JPS6235094 U JP S6235094U
- Authority
- JP
- Japan
- Prior art keywords
- auger
- shaft
- whose outer
- auger shaft
- earth
- 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
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Earth Drilling (AREA)
Description
第１図は本考案の一実施例を示すアースオーガ
の要部立面図、第２図は第１図におけるテーパ状
軸ヘツドを形成している２分割形ブロツク片対の
分解斜視図、第３図は４分割形ブロツク片を例示
した第２図と同様な分解斜視図、第４図、第５図
及び第６図は本考案の他の種々の実施例を示す立
面図である。
１，１１，１１′，２１，３１……オーガ軸、
２，１２，１２′，２２，３２……スクリユー、
３，１２，２３，３３……先狭まりテーパ状軸ヘ
ツド、３ａ１〜３ａ４，３ｂ１〜３ｂ３，３ａ１
′，３ｂ１′，１３ａ１〜１３ａ３，１３ｂ１〜
１３ｂ３，２３ａ１〜２３ａ３，２３ｂ１〜２３
ｂ３……ブロツク片、４……螺旋溝、５，１５，
２５……ボルト。
Fig. 1 is an elevational view of the main part of an earth auger showing an embodiment of the present invention, Fig. 2 is an exploded perspective view of a pair of two-part block pieces forming the tapered shaft head in Fig. FIG. 3 is an exploded perspective view similar to FIG. 2 illustrating a four-part block piece, and FIGS. 4, 5, and 6 are elevational views showing various other embodiments of the present invention. 1, 11, 11', 21, 31...auger shaft,
2, 12, 12', 22, 32...screw,
3, 12, 23, 33...Tapered shaft head, 3a 1 to 3a 4 , 3b 1 to 3b 3 , 3a 1
′, 3b 1 ′, 13a 1 ~ 13a 3 , 13b 1 ~
13b 3 , 23a 1 to 23a 3 , 23b 1 to 23
b 3 ...Block piece, 4...Spiral groove, 5, 15,
25...Bolt.
Claims (1)
側面が傾斜面を成していて順次外径を異にする複
数個の断面略扇形状ブロツク片を、スクリユーの
螺旋溝に沿つて連続的に嵌合配置すると共にオー
ガ軸に対しボルト止めして、先狭まりテーパ状の
軸ヘツドを形成したことを特徴とするアースオー
ガ。 A plurality of substantially fan-shaped block pieces in cross section, each of which has an inner surface that engages with the circumferential surface of the auger shaft and whose outer surface forms an inclined surface and whose outer diameters are successively different, are continuously inserted along the spiral groove of the screw. What is claimed is: 1. An earth auger characterized in that the earth auger is fitted into the auger shaft and bolted to the auger shaft to form a tapered shaft head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12426885U JPH0242795Y2 (en) | 1985-08-12 | 1985-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12426885U JPH0242795Y2 (en) | 1985-08-12 | 1985-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6235094U true JPS6235094U (en) | 1987-03-02 |
| JPH0242795Y2 JPH0242795Y2 (en) | 1990-11-14 |
Family
ID=31016125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12426885U Expired JPH0242795Y2 (en) | 1985-08-12 | 1985-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242795Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812976A (en) * | 2010-05-14 | 2010-08-25 | 中冶建筑研究总院有限公司 | Adjustable multiple coil extruding and expanding drilling tool |
-
1985
- 1985-08-12 JP JP12426885U patent/JPH0242795Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812976A (en) * | 2010-05-14 | 2010-08-25 | 中冶建筑研究总院有限公司 | Adjustable multiple coil extruding and expanding drilling tool |
| CN101812976B (en) | 2010-05-14 | 2013-05-15 | 中冶建筑研究总院有限公司 | Adjustable multi-stage helical extrusion and expansion drilling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0242795Y2 (en) | 1990-11-14 |