JPS63176193U - - Google Patents

Info

Publication number
JPS63176193U
JPS63176193U JP6531587U JP6531587U JPS63176193U JP S63176193 U JPS63176193 U JP S63176193U JP 6531587 U JP6531587 U JP 6531587U JP 6531587 U JP6531587 U JP 6531587U JP S63176193 U JPS63176193 U JP S63176193U
Authority
JP
Japan
Prior art keywords
drill rod
ring
swivel joint
threaded portion
fitted
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
JP6531587U
Other languages
English (en)
Other versions
JPH0439349Y2 (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 JP6531587U priority Critical patent/JPH0439349Y2/ja
Publication of JPS63176193U publication Critical patent/JPS63176193U/ja
Application granted granted Critical
Publication of JPH0439349Y2 publication Critical patent/JPH0439349Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す要部の縦断面
図、第2図A,Bはリングの縦断面図と正面図、
第3図は従来例の穿孔機の側視機構図、第4図は
第3図の部分の縦断面図である。 1a,1b:ドリルロツド、8a,8b:ロツ
ド座面、11:スイベルジヨイント、12:リン
グ、13:潤滑油供給路、16:潤滑ポート。

Claims (1)

    【実用新案登録請求の範囲】
  1. ドリルロツド螺着部のロツド座面間に潤滑ポー
    ト付きリングを介装するとともに、ドリルロツド
    に嵌着したスイベルジヨイントによつて前記リン
    グの外周側を嵌装し、該スイベルジヨイントに前
    記潤滑ポートへの潤滑油供給路を設けたことを特
    徴とするドリルロツド螺着部の弛緩防止兼潤滑装
    置。
JP6531587U 1987-05-01 1987-05-01 Expired JPH0439349Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6531587U JPH0439349Y2 (ja) 1987-05-01 1987-05-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6531587U JPH0439349Y2 (ja) 1987-05-01 1987-05-01

Publications (2)

Publication Number Publication Date
JPS63176193U true JPS63176193U (ja) 1988-11-15
JPH0439349Y2 JPH0439349Y2 (ja) 1992-09-14

Family

ID=30902270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6531587U Expired JPH0439349Y2 (ja) 1987-05-01 1987-05-01

Country Status (1)

Country Link
JP (1) JPH0439349Y2 (ja)

Also Published As

Publication number Publication date
JPH0439349Y2 (ja) 1992-09-14

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