JPH02125094U - - Google Patents

Info

Publication number
JPH02125094U
JPH02125094U JP3415389U JP3415389U JPH02125094U JP H02125094 U JPH02125094 U JP H02125094U JP 3415389 U JP3415389 U JP 3415389U JP 3415389 U JP3415389 U JP 3415389U JP H02125094 U JPH02125094 U JP H02125094U
Authority
JP
Japan
Prior art keywords
tip
bit
conical
mounting recess
recessed groove
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
JP3415389U
Other languages
English (en)
Other versions
JPH0649660Y2 (ja
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 JP3415389U priority Critical patent/JPH0649660Y2/ja
Publication of JPH02125094U publication Critical patent/JPH02125094U/ja
Application granted granted Critical
Publication of JPH0649660Y2 publication Critical patent/JPH0649660Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は、本考案コニカルビツトを掘削機のカ
ツターに取付けた状態を示す概念的な説明図、第
2図は、本考案コニカルビツトの一実施例を示す
正面図、第3図は、その平面図である。 1……コニカルビツト、4a……ビツト本体、
4b……シヤンク部分、8……取付け凹部、8a
……溝部、9……掘削チツプ、9a……尖端部、
9b……凹欠溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 円柱状をなすビツト本体4aの先端に設けられ
    た取付け凹部8内には、略円錐状の尖端部9aを
    有する掘削チツプ9がろう付けによつて固定され
    るコニカルビツトにおいて、 前記取付け凹部8は、前記凹欠溝9bを形成し
    た掘削チツプ9の横断面形状に適合するように溝
    部8aが設けられており、 前記掘削チツプ9は、円錐状の尖端部9aを残
    して、その周側部の軸方向には、凹欠溝9bが形
    成され、しかも取付け凹部8にろう付けされたと
    きには、凹欠溝9bの略半分がビツト本体4aか
    ら露出するようになつていることを特徴とするコ
    ニカルビツト。
JP3415389U 1989-03-24 1989-03-24 コニカルビット Expired - Lifetime JPH0649660Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3415389U JPH0649660Y2 (ja) 1989-03-24 1989-03-24 コニカルビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3415389U JPH0649660Y2 (ja) 1989-03-24 1989-03-24 コニカルビット

Publications (2)

Publication Number Publication Date
JPH02125094U true JPH02125094U (ja) 1990-10-15
JPH0649660Y2 JPH0649660Y2 (ja) 1994-12-14

Family

ID=31538380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3415389U Expired - Lifetime JPH0649660Y2 (ja) 1989-03-24 1989-03-24 コニカルビット

Country Status (1)

Country Link
JP (1) JPH0649660Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013079519A (ja) * 2011-10-04 2013-05-02 Taisei Corp 掘削機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013079519A (ja) * 2011-10-04 2013-05-02 Taisei Corp 掘削機

Also Published As

Publication number Publication date
JPH0649660Y2 (ja) 1994-12-14

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