JPS60131715U - screw - Google Patents

screw

Info

Publication number
JPS60131715U
JPS60131715U JP1917984U JP1917984U JPS60131715U JP S60131715 U JPS60131715 U JP S60131715U JP 1917984 U JP1917984 U JP 1917984U JP 1917984 U JP1917984 U JP 1917984U JP S60131715 U JPS60131715 U JP S60131715U
Authority
JP
Japan
Prior art keywords
screw
circular hole
circular
upper edge
chord
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
JP1917984U
Other languages
Japanese (ja)
Other versions
JPS6323608Y2 (en
Inventor
岩田　勇吉
安雄 鈴木
Original Assignee
岩田ボ−ルト工業株式会社
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 岩田ボ−ルト工業株式会社 filed Critical 岩田ボ−ルト工業株式会社
Priority to JP1917984U priority Critical patent/JPS60131715U/en
Publication of JPS60131715U publication Critical patent/JPS60131715U/en
Application granted granted Critical
Publication of JPS6323608Y2 publication Critical patent/JPS6323608Y2/ja
Granted legal-status Critical Current

Links

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案によるねじの一実施例を示す正面図、第
２図は同ねじ頭部の拡大平面図、第３図は内縦断面図、
第４図は同斜視図、第５図Ａ、　Ｂは同締付は用ビット
の一例を示す部分側面図および端面図である。 １・・・・・・ねじ頭部、２・・・・・・ねじ軸部、３
・・・・・・円形・穴、３Ａ・・・・・・底部、３Ｂ・
・・・・・上端縁、４・・・・・・平面傾斜部、５・・
・・・・ビット。FIG. 1 is a front view showing an embodiment of the screw according to the present invention, FIG. 2 is an enlarged plan view of the screw head, and FIG. 3 is an internal vertical sectional view.
4 is a perspective view of the same, and FIGS. 5A and 5B are a partial side view and an end view showing an example of the tightening bit. 1...Screw head, 2...Screw shaft, 3
・・・・・・Round/hole, 3A・・・Bottom, 3B・
... Upper edge, 4 ... Plane slope, 5 ...
····bit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一　　ねじ頭部１の頂部に形成され、ねじ軸部２の軸心
を中心とし下方になるにつれて小径となる円形穴３の内
周面部に、該円形穴３の上縁３Ｂから底部３Ａに至りか
つ円形穴３の底部３Ａに連なる部分４Ａが円形状底部の
弦をなすように直線状をなす複数の平面傾斜部４を等角
装置に形成したことを特徴とするねじ。(1) On the inner peripheral surface of a circular hole 3 that is formed at the top of the screw head 1 and whose diameter becomes smaller as it goes downwards around the axis of the screw shaft 2, from the upper edge 3B of the circular hole 3 to the bottom 3A. A screw characterized in that a plurality of straight planar inclined portions 4 are formed in a conformal device so that a portion 4A connected to the bottom 3A of the circular hole 3 forms a chord of the circular bottom.
JP1917984U 1984-02-15 1984-02-15 screw Granted JPS60131715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1917984U JPS60131715U (en) 1984-02-15 1984-02-15 screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1917984U JPS60131715U (en) 1984-02-15 1984-02-15 screw

Publications (2)

Publication Number Publication Date
JPS60131715U true JPS60131715U (en) 1985-09-03
JPS6323608Y2 JPS6323608Y2 (en) 1988-06-29

Family

ID=30508513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1917984U Granted JPS60131715U (en) 1984-02-15 1984-02-15 screw

Country Status (1)

Country Link
JP (1) JPS60131715U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999030046A1 (en) * 1997-12-10 1999-06-17 Katsuyuki Totsu Combination of screw with driver bit or wrench
EP2590784A2 (en) * 2010-07-07 2013-05-15 Infastech Intellectual Properties Pte. Ltd. Torque transmission driver

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999030046A1 (en) * 1997-12-10 1999-06-17 Katsuyuki Totsu Combination of screw with driver bit or wrench
AU737777B2 (en) * 1997-12-10 2001-08-30 Katsuyuki Totsu Combination of screw with driver bit or wrench
US6393953B1 (en) 1997-12-10 2002-05-28 Katsuyuki Totsu Combination of screw with driver bit or wrench
CN1093611C (en) * 1997-12-10 2002-10-30 户津胜行 Combination of screw with driver bit or wrench
EP2590784A2 (en) * 2010-07-07 2013-05-15 Infastech Intellectual Properties Pte. Ltd. Torque transmission driver
KR20130093085A (en) * 2010-07-07 2013-08-21 인파스텍 인텔렉츄얼 프로퍼티즈 피티이. 엘티디. Torque transmission driver
JP2013540595A (en) * 2010-07-07 2013-11-07 インファステック インテレクチュアル プロパティーズ プライベート リミテッド Torque transmission driver
EP2590784A4 (en) * 2010-07-07 2014-09-03 Infastech Ip Pte Ltd Torque transmission driver

Also Published As

Publication number Publication date
JPS6323608Y2 (en) 1988-06-29

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