JP4466994B2 - 噛み込み防止ボルト - Google Patents
噛み込み防止ボルト Download PDFInfo
- Publication number
- JP4466994B2 JP4466994B2 JP2003418059A JP2003418059A JP4466994B2 JP 4466994 B2 JP4466994 B2 JP 4466994B2 JP 2003418059 A JP2003418059 A JP 2003418059A JP 2003418059 A JP2003418059 A JP 2003418059A JP 4466994 B2 JP4466994 B2 JP 4466994B2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- thread
- female screw
- constant diameter
- nut
- 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.)
- Expired - Lifetime
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- 230000002265 prevention Effects 0.000 title claims description 12
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000001055 chewing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Images
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- Mutual Connection Of Rods And Tubes (AREA)
- Connection Of Plates (AREA)
Description
10 頭部
15 軸部
30 ねじ山
31 ねじ山
115 定径部
116 ガイド部
126 ねじ無し部
Claims (2)
- 頭部と、ねじ山が形成された軸部とを備え、ナット等の単一の雌ねじ部材に締め付けられるボルトであって、
前記軸部は、基端側に形成された一定径の定径部と、先端側に形成され、前記定径部よりも小径でボルトの雌ねじ部材への締め付けに際して、ボルトを適正な締め付け姿勢にするためのガイド部とを備え、
前記定径部の先端に形成されたねじ山はその高さをガイド部との間に形成されたねじ無し部に向かって徐々に縮径され、
前記定径部に形成されたねじ山に対し、前記ガイド部に形成されたねじ山を逆ねじ形状とし、ボルトが前記雌ねじ部材の雌ねじ部に傾斜状態で挿入されたとき、ガイド部の先端のねじ山を該雌ねじ部に噛み合わせ、逆ねじによってボルトを抜き出す方向に移動させることにより、ボルトを適正な締め付け姿勢にすることを特徴とする噛み込み防止ボルト。 - 前記軸部の定径部とガイド部との間には、ねじ山形状のないねじ無し部が所定範囲に渡って形成されていることを特徴とする請求項1に記載の噛み込み防止ボルト。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003418059A JP4466994B2 (ja) | 2003-12-16 | 2003-12-16 | 噛み込み防止ボルト |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003418059A JP4466994B2 (ja) | 2003-12-16 | 2003-12-16 | 噛み込み防止ボルト |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005180475A JP2005180475A (ja) | 2005-07-07 |
JP4466994B2 true JP4466994B2 (ja) | 2010-05-26 |
Family
ID=34780374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003418059A Expired - Lifetime JP4466994B2 (ja) | 2003-12-16 | 2003-12-16 | 噛み込み防止ボルト |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4466994B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5607114B2 (ja) | 2012-06-26 | 2014-10-15 | 株式会社トープラ | タッピンねじ |
JP6071127B2 (ja) * | 2013-02-25 | 2017-02-01 | 株式会社ケー・エフ・シー | 地山補強管の連結構造、カプラー及び地山補強管 |
-
2003
- 2003-12-16 JP JP2003418059A patent/JP4466994B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005180475A (ja) | 2005-07-07 |
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