JPH0340388U - - Google Patents
Info
- Publication number
- JPH0340388U JPH0340388U JP9997589U JP9997589U JPH0340388U JP H0340388 U JPH0340388 U JP H0340388U JP 9997589 U JP9997589 U JP 9997589U JP 9997589 U JP9997589 U JP 9997589U JP H0340388 U JPH0340388 U JP H0340388U
- Authority
- JP
- Japan
- Prior art keywords
- cutter bit
- bottom plate
- side plates
- holder
- plate
- 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
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Description
第１図から第５図は、本考案の実施例を示す図
で、第１図は、ホルダにカツタービツトを取り付
けた状態を示す正面図、第２図は、第１図のＡ方
向一部切り欠き矢視図、第３図は、カツタービツ
トの背面図、第４図は、ホルダの正面図、第５図
は、第４図のＢ方向矢視図である。
１０……ホルダ、１１……底板、１１ａ……底
板の上面、１１ｂ……底板のピン挿通孔、１２…
…側板、１２ｂ……溝、１３……取付板、１３ａ
……取付板のピン挿通孔、２０……カツタービツ
ト、２１……刃先部、２２……凹所、２３……カ
ツタービツトの側面、２４……拡幅部、２５……
カツタービツトのピン挿通孔。
Figures 1 to 5 are views showing an embodiment of the present invention. Figure 1 is a front view showing the cutter bit attached to the holder, and Figure 2 is a partially cutaway view in the direction A of Figure 1. 3 is a rear view of the cutter bit, FIG. 4 is a front view of the holder, and FIG. 5 is a view taken in the direction of arrow B in FIG. 4. 10...Holder, 11...Bottom plate, 11a...Top surface of bottom plate, 11b...Pin insertion hole in bottom plate, 12...
...Side plate, 12b...Groove, 13...Mounting plate, 13a
... Pin insertion hole of mounting plate, 20 ... Cutter bit, 21 ... Cutting edge portion, 22 ... Recess, 23 ... Side surface of cutter bit, 24 ... Widening portion, 25 ...
Katsuterbit pin insertion hole.
Claims (1)
されたホルダに、刃先部を先端に向けたカツター
ビツトを取り付けるようにしたカツタービツトの
取付装置において、前記ホルダは、矩形状に形成
された底板と、この底板の両側縁に沿いかつ底板
の一面側に延出された２枚の側板と、これらの２
枚の側板の間に掛け渡された取付板とからなり、
２枚の側板の対向する側面には、側板の先端面に
おいて開口されかつ前記取付板の位置よりも先端
側の位置まで延長された溝が互いに対応する位置
に形成され、カツタービツトは、前記ホルダの２
枚の側板の間であつてかつ底板の上面側に、２枚
の側板および底板と密接に収納され、カツタービ
ツトの後端には、前記取付板の外周面に密接に外
嵌した凹所が形成され、カツタービツトの側面に
は、外側方向に突出されかつ前記ホルダの側板の
溝内に密接に収納された拡幅部が形成され、前記
ホルダとカツタービツトとは、前記底板と取付板
とカツタービツトとにそれぞれ形成されたピン挿
通孔を一致させた状態でスプリングピンを着脱自
在に挿通してなることを特徴とするカツタービツ
トの取付装置。 In a cutter bit mounting device in which a cutter bit with the cutting edge facing toward the tip is attached to a holder fixed to the tip of the casing of the earth auger head, the holder has a bottom plate formed in a rectangular shape, and a cutter bit on both sides of the bottom plate. Two side plates extending along the edge and to one side of the bottom plate, and these two
It consists of a mounting plate stretched between two side plates,
On the opposing side surfaces of the two side plates, grooves that are opened at the distal end surfaces of the side plates and extend to a position on the distal side from the position of the mounting plate are formed at mutually corresponding positions, and the cutter bit is attached to the holder. 2
A recess is formed between the two side plates and on the top side of the bottom plate in close contact with the two side plates and the bottom plate, and the rear end of the cutter bit is formed with a recess that fits tightly around the outer peripheral surface of the mounting plate. , a widened part is formed on the side surface of the cutter bit and is protruded outward and is closely housed in a groove in the side plate of the holder, and the holder and the cutter bit are formed on the bottom plate, the mounting plate, and the cutter bit, respectively. A cutter bit mounting device characterized in that a spring pin is removably inserted in a state where the pin insertion holes are aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9997589U JPH0340388U (en) | 1989-08-28 | 1989-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9997589U JPH0340388U (en) | 1989-08-28 | 1989-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340388U true JPH0340388U (en) | 1991-04-18 |
Family
ID=31649003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9997589U Pending JPH0340388U (en) | 1989-08-28 | 1989-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001027210A (en) * | 1999-07-13 | 2001-01-30 | Sekisui Jushi Co Ltd | Fitting part structure |
-
1989
- 1989-08-28 JP JP9997589U patent/JPH0340388U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001027210A (en) * | 1999-07-13 | 2001-01-30 | Sekisui Jushi Co Ltd | Fitting part structure |
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