JPH0450487U - - Google Patents
Info
- Publication number
- JPH0450487U JPH0450487U JP6990890U JP6990890U JPH0450487U JP H0450487 U JPH0450487 U JP H0450487U JP 6990890 U JP6990890 U JP 6990890U JP 6990890 U JP6990890 U JP 6990890U JP H0450487 U JPH0450487 U JP H0450487U
- Authority
- JP
- Japan
- Prior art keywords
- base metal
- groove
- opening
- millimeters
- soldered
- 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
- 239000010953 base metal Substances 0.000 claims 4
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Description
第1図は本考案の実施例をあらわすa平面図、
b一部断面正面図、c側面図、第2図はアダプタ
の一部断面正面図、第3図組立図、第4図および
第5図は使用法の説明図である。
4……ロツクビツト、14……台金、15……
刃体、16……丸穴、17……後端部、20……
隆起部、22……溝。
FIG. 1 is a plan view showing an embodiment of the present invention;
FIG. 2 is a partially sectional front view of the adapter, FIG. 3 is an assembled view, and FIGS. 4 and 5 are explanatory views of how to use the adapter. 4... Lock bit, 14... Base money, 15...
Blade body, 16... Round hole, 17... Rear end, 20...
Ridge, 22...groove.
Claims (1)
端部は台金の中間部に位置する縦長の溝を軸方向
に沿つて設け、この溝に台金の径方向に突出する
超硬合金製の刃体をその前端部が前記溝の開口前
端部よりも数ミリメートル乃至数十ミリメートル
後方に位置するように嵌合してろう接したことを
特徴とするロツクビツト。 A vertical groove is provided along the axial direction on the outer circumference of the base metal, with the front end opening to the end face of the base metal and the rear end located in the middle of the base metal, and protruding into this groove in the radial direction of the base metal. A lock bit characterized in that a blade made of cemented carbide is fitted and soldered such that its front end is located several millimeters to several tens of millimeters behind the opening front end of the groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990069908U JP2527621Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990069908U JP2527621Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0450487U true JPH0450487U (en) | 1992-04-28 |
JP2527621Y2 JP2527621Y2 (en) | 1997-03-05 |
Family
ID=31802459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990069908U Expired - Lifetime JP2527621Y2 (en) | 1990-06-29 | 1990-06-29 | Lock bit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2527621Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134609A (en) * | 1982-09-24 | 1984-08-02 | デ・ビア−ズ・インダストリアル・ダイアモンドデイビジヨン(プロプライエタリイ)リミテツド | Tool constitutional element |
JPH0273494U (en) * | 1988-11-24 | 1990-06-05 |
-
1990
- 1990-06-29 JP JP1990069908U patent/JP2527621Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134609A (en) * | 1982-09-24 | 1984-08-02 | デ・ビア−ズ・インダストリアル・ダイアモンドデイビジヨン(プロプライエタリイ)リミテツド | Tool constitutional element |
JPH0273494U (en) * | 1988-11-24 | 1990-06-05 |
Also Published As
Publication number | Publication date |
---|---|
JP2527621Y2 (en) | 1997-03-05 |
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