JPH0198295U - - Google Patents
Info
- Publication number
- JPH0198295U JPH0198295U JP19456687U JP19456687U JPH0198295U JP H0198295 U JPH0198295 U JP H0198295U JP 19456687 U JP19456687 U JP 19456687U JP 19456687 U JP19456687 U JP 19456687U JP H0198295 U JPH0198295 U JP H0198295U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- locking portions
- casing
- holder
- recess
- 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
Landscapes
- Earth Drilling (AREA)
Description
第１図と第２図は本考案の第１実施例を示すも
ので、第１図は平面図、第２図は断面図、第３図
に嵌合構造の他の一例を示す断面図、第４図は嵌
合構造の別の一例を示す断面図、第５図は互いに
嵌め合う舌片を示す断面図、第６図は本考案の第
２実施例を示す断面図、第７図は本考案の第３実
施例を示す側面図、第８図は本考案の第４実施例
を示す断面図、第９図と第１０図は従来のケーシ
ングカツターの取付構造を示すもので、第９図は
平面図、第１０図は断面図である。
１０……ケーシングパイプ、１１……切欠凹部
、１２……ホルダー、１２ａ……舌片（係止部）
、１３，１３′，１３″……嵌合溝（係止部）、
１５……カツター、１５ａ……舌片（係止部）、
１６，１６′，１６″……突条（係止部）、１７
……装着孔、１８……締結部材。
1 and 2 show a first embodiment of the present invention, FIG. 1 is a plan view, FIG. 2 is a sectional view, and FIG. 3 is a sectional view showing another example of the fitting structure. FIG. 4 is a sectional view showing another example of the fitting structure, FIG. 5 is a sectional view showing tongue pieces that fit into each other, FIG. 6 is a sectional view showing the second embodiment of the present invention, and FIG. FIG. 8 is a side view showing the third embodiment of the present invention, FIG. 8 is a sectional view showing the fourth embodiment of the present invention, and FIGS. 9 and 10 show the conventional mounting structure of the casing cutter. 9 is a plan view, and FIG. 10 is a sectional view. 10... Casing pipe, 11... Notch recess, 12... Holder, 12a... Tongue piece (locking part)
, 13, 13', 13''...fitting groove (locking part),
15... cutter, 15a... tongue piece (locking part),
16, 16', 16''...projection (locking part), 17
... Mounting hole, 18 ... Fastening member.
Claims (1)
に取付けるためのケーシングカツターの取付構造
であつて、上記ケーシングパイプの先端に凹部を
形成し、この凹部にホルダーを固着すると共に、
このホルダーと上記カツターとに、互いに係合す
る係止部をそれぞれ設け、かつこれらの係止部に
、両係止部にわたつて貫通する装着孔を形成する
一方、これらの装着孔に締結部材を装着したこと
を特徴とするケーシングカツターの取付構造。 A casing cutter mounting structure for detachably attaching the cutter to the tip of a casing pipe, wherein a recess is formed at the tip of the casing pipe, a holder is fixed to the recess, and the structure includes:
The holder and the cutter are each provided with locking portions that engage with each other, and these locking portions are provided with mounting holes passing through both locking portions, and fastening members are inserted into these mounting holes. The mounting structure of the casing cutter is characterized by the fact that it is equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19456687U JPH0198295U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19456687U JPH0198295U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198295U true JPH0198295U (en) | 1989-06-30 |
Family
ID=31485292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19456687U Pending JPH0198295U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198295U (en) |
-
1987
- 1987-12-22 JP JP19456687U patent/JPH0198295U/ja active Pending