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JPH0241714U - - Google Patents

Info

Publication number
JPH0241714U
JPH0241714U JP12057488U JP12057488U JPH0241714U JP H0241714 U JPH0241714 U JP H0241714U JP 12057488 U JP12057488 U JP 12057488U JP 12057488 U JP12057488 U JP 12057488U JP H0241714 U JPH0241714 U JP H0241714U
Authority
JP
Japan
Prior art keywords
bit
screw
screwdriver
contact
tightening
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
JP12057488U
Other languages
English (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 JP12057488U priority Critical patent/JPH0241714U/ja
Publication of JPH0241714U publication Critical patent/JPH0241714U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Description

【図面の簡単な説明】
第1図は本考案の原理を説明するための模式的
平面図、第2図a,b,及びcは本考案の一実施
例を示す要部側面図と要部斜視図、第3図aとb
は従来のネジ取り外し防止方法を示す模式的要部
斜視図である。 図において、1はスリワリ付きネジ、11は十
字穴付きネジ、3はビツト作用面、4はビツト非
作用面、10はビツト部、15はビツト係入孔、
をそれぞれ示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 一旦締め付けを行つた後はこれを容易に取り外
    すことができない構造のネジ部材であつて、 ネジ回しをネジ締め方向に回動した時、そのビ
    ツト部10に当接するビツト作用面3と、 ネジ回しをネジ締め方向と反対方向に回動した
    時、当該ネジ回しのビツト10に当接しないビツ
    ト非作用面4と、 によつてネジの頭部に形成されるビツト係入孔1
    5を構成してなることを特徴とするネジ部材。
JP12057488U 1988-09-13 1988-09-13 Pending JPH0241714U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12057488U JPH0241714U (ja) 1988-09-13 1988-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12057488U JPH0241714U (ja) 1988-09-13 1988-09-13

Publications (1)

Publication Number Publication Date
JPH0241714U true JPH0241714U (ja) 1990-03-22

Family

ID=31366807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12057488U Pending JPH0241714U (ja) 1988-09-13 1988-09-13

Country Status (1)

Country Link
JP (1) JPH0241714U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025168A (ko) * 2001-09-19 2003-03-28 마모루 우에노 방범나사 및 나사머리의 매립재 및 나사용 방범시트 및방범나사세트
JP2009185995A (ja) * 2008-02-08 2009-08-20 Nitto Seiko Co Ltd ねじ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025168A (ko) * 2001-09-19 2003-03-28 마모루 우에노 방범나사 및 나사머리의 매립재 및 나사용 방범시트 및방범나사세트
JP2009185995A (ja) * 2008-02-08 2009-08-20 Nitto Seiko Co Ltd ねじ

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