JPS5966012U - 取外し防止ねじ - Google Patents

取外し防止ねじ

Info

Publication number
JPS5966012U
JPS5966012U JP16133482U JP16133482U JPS5966012U JP S5966012 U JPS5966012 U JP S5966012U JP 16133482 U JP16133482 U JP 16133482U JP 16133482 U JP16133482 U JP 16133482U JP S5966012 U JPS5966012 U JP S5966012U
Authority
JP
Japan
Prior art keywords
screw
removal prevention
protective wall
prevention screw
screw head
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
Application number
JP16133482U
Other languages
English (en)
Inventor
弘 中山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP16133482U priority Critical patent/JPS5966012U/ja
Publication of JPS5966012U publication Critical patent/JPS5966012U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は本考案の実施例による取外し防止ビスの側面図
、第２図は同平面図、第３図は専用工具の要部を示す部
分断面図、第４図は同平面図、第５図は使用状態の部分
断面図である。 １・・・・・・取外し防止ねじ、２・・・・・・ねじ頭
部、３・・・・・・突出部、４・・・・・・防護壁、４
ａ・・・・・・防護壁の外周面、５・・・・・・環状溝
、７・・・・・・専用工具。

Claims (1)

    【実用新案登録請求の範囲】
  1. ねじ頭部の中央に十字大川ビットと同一形状の工具係合
    用突出部を突設すると共に、その外周に外周面が下拡が
    りに傾斜する環状の防護壁を形成し、該防護壁と前記突
    出部との中間に工具案内用の環状溝を形成してなる取外
    し防止ねじ。
JP16133482U 1982-10-25 1982-10-25 取外し防止ねじ Pending JPS5966012U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16133482U JPS5966012U (ja) 1982-10-25 1982-10-25 取外し防止ねじ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16133482U JPS5966012U (ja) 1982-10-25 1982-10-25 取外し防止ねじ

Publications (1)

Publication Number Publication Date
JPS5966012U true JPS5966012U (ja) 1984-05-02

Family

ID=30354593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16133482U Pending JPS5966012U (ja) 1982-10-25 1982-10-25 取外し防止ねじ

Country Status (1)

Country Link
JP (1) JPS5966012U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719211B2 (ja) * 1975-03-31 1982-04-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719211B2 (ja) * 1975-03-31 1982-04-21

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