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
Application number
JP6990890U
Other languages
Japanese (ja)
Other versions
JP2527621Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990069908U priority Critical patent/JP2527621Y2/en
Publication of JPH0450487U publication Critical patent/JPH0450487U/ja
Application granted granted Critical
Publication of JP2527621Y2 publication Critical patent/JP2527621Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 台金の外周部に前端部が台金端面に開口し、後
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.
JP1990069908U 1990-06-29 1990-06-29 Lock bit Expired - Lifetime JP2527621Y2 (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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