JP5475968B2 - ねじ部材の駆動穴 - Google Patents
ねじ部材の駆動穴 Download PDFInfo
- Publication number
- JP5475968B2 JP5475968B2 JP2008176322A JP2008176322A JP5475968B2 JP 5475968 B2 JP5475968 B2 JP 5475968B2 JP 2008176322 A JP2008176322 A JP 2008176322A JP 2008176322 A JP2008176322 A JP 2008176322A JP 5475968 B2 JP5475968 B2 JP 5475968B2
- Authority
- JP
- Japan
- Prior art keywords
- screw member
- drive hole
- center
- hole
- engagement 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.)
- Active
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
2 脚部
3 ねじ山
4 頭部
10 嵌合穴部
11 円錐面
20 係合溝
21 側壁
22 底面
23 放射方向端の面
30 丘陵部
31 接続壁
40 ドライバビット
41 駆動伝達部
a ねじ部材の中心線
b 係合溝の中心線
Claims (3)
- 頭部に放射方向に夫々延設された五本の係合溝から成る駆動穴を備えるねじ部材において、
前記駆動穴は、円錐形状の底面と、この底面に連設するとともに頭部の中心方向へ急傾斜する放射方向端の面と、この底面に立設する側壁と、隣接する係合溝の側壁を連ねる接続壁とから成り、
前記接続壁は、前記ねじ部材の脚部の軸線に対して5°の傾斜角αを成し、かつ当該軸線に直交する横断面上において120°の角度でねじ部材の中心側へ山形形状に突出していることを特徴とするねじ部材の駆動穴。 - 側壁は係合溝の中心線を挟んで対向するとともにその間隔は前記係合溝の放射方向端から嵌合穴部の中心に接近するにつれて拡開していることを特徴とする請求項1に記載のねじ部材の駆動穴。
- 駆動穴の円錐面は係合溝の中心線を含み且つねじ部材の軸線に沿う断面において係合溝の底面と同一傾斜直線上に位置しており、その係合溝の放射方向端における底面と放射方向端の面とは鈍角をなして交叉接続されていることを特徴とする請求項1又は2記載のねじ部材の駆動穴。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008176322A JP5475968B2 (ja) | 2008-07-04 | 2008-07-04 | ねじ部材の駆動穴 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008176322A JP5475968B2 (ja) | 2008-07-04 | 2008-07-04 | ねじ部材の駆動穴 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010014237A JP2010014237A (ja) | 2010-01-21 |
JP5475968B2 true JP5475968B2 (ja) | 2014-04-16 |
Family
ID=41700520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008176322A Active JP5475968B2 (ja) | 2008-07-04 | 2008-07-04 | ねじ部材の駆動穴 |
Country Status (1)
Country | Link |
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JP (1) | JP5475968B2 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4978663U (ja) * | 1972-10-30 | 1974-07-08 | ||
JPH0428206U (ja) * | 1990-06-29 | 1992-03-06 | ||
JPH03163207A (ja) * | 1989-11-22 | 1991-07-15 | O S G Hanbai Kk | ねじ |
JP4394184B2 (ja) * | 1998-09-29 | 2010-01-06 | 勝行 戸津 | ドライバービット及びねじとの組合せ |
JP3050542B1 (ja) * | 1998-12-18 | 2000-06-12 | 有限会社新城製作所 | 穴付き頭部をもつねじ及びそのドライバビット |
JP2003166516A (ja) * | 2001-11-30 | 2003-06-13 | Nitto Seiko Co Ltd | 十字穴付きねじ |
EP1536150B1 (en) * | 2002-05-27 | 2010-05-19 | OSG Corporation | Threaded fastener wrenching structure |
JP4205990B2 (ja) * | 2003-05-30 | 2009-01-07 | 日東精工株式会社 | 駆動穴付きねじ及びドライバビット |
-
2008
- 2008-07-04 JP JP2008176322A patent/JP5475968B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2010014237A (ja) | 2010-01-21 |
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