JPH026794U - - Google Patents
Info
- Publication number
- JPH026794U JPH026794U JP8517888U JP8517888U JPH026794U JP H026794 U JPH026794 U JP H026794U JP 8517888 U JP8517888 U JP 8517888U JP 8517888 U JP8517888 U JP 8517888U JP H026794 U JPH026794 U JP H026794U
- Authority
- JP
- Japan
- Prior art keywords
- line bit
- bit
- striking plate
- holder
- tip
- 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
- 239000011435 rock Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図ａはこの考案の一実施例の上面図、第１
図ｂは第１図ａにおけるｂ矢視図、第１図ｃは
第１図ａにおけるｃ―ｃ断面図、第１図ｄは
第１図ａにおけるｄ―ｄ断面図、第２図は岩
盤用スリツト形成装置の説明図、第３図ａ，ｂ，
ｃは従来のラインビツトを示す。
１…ラインビツト、２…打撃プレート、２１…
打撃プレートの先端部、３…ホルダ、４…ピン、
９…ビツト嵌合部。
Figure 1a is a top view of one embodiment of this invention;
Figure b is a view taken along arrow b in Figure 1 a, Figure 1 c is a cross-sectional view taken along c -- c in Figure 1 a, Figure 1 d is a cross-sectional view taken along d - d in Figure 1 a, and Figure 2 is a rock mass. Explanatory diagram of the slit forming device for use, Figure 3 a, b,
c indicates a conventional line bit. 1... line bit, 2... striking plate, 2 1 ...
Tip of striking plate, 3... holder, 4... pin,
9...Bit fitting part.
Claims (1)
、打撃プレートの先端部、およびラインビツト抜
け止め部のピンと、これら３種の部材を内包する
ことにより結合するホルダとから成ることを特徴
とする、岩盤用スリツト形成装置のビツト結合装
置。 A tool for rock mass comprising a line bit fitting part, a tip of a striking plate, and a pin of a line bit retaining part, each having approximately the same thickness h, and a holder that connects these three members by enclosing them. Bit combination device for slit forming equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8517888U JPH026794U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8517888U JPH026794U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH026794U true JPH026794U (en) | 1990-01-17 |
Family
ID=31309853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8517888U Pending JPH026794U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026794U (en) |
-
1988
- 1988-06-29 JP JP8517888U patent/JPH026794U/ja active Pending
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