JP5902786B1 - ねじ - Google Patents
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- JP5902786B1 JP5902786B1 JP2014215781A JP2014215781A JP5902786B1 JP 5902786 B1 JP5902786 B1 JP 5902786B1 JP 2014215781 A JP2014215781 A JP 2014215781A JP 2014215781 A JP2014215781 A JP 2014215781A JP 5902786 B1 JP5902786 B1 JP 5902786B1
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- screw
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- tightening
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- blade
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- 238000005553 drilling Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
Description
11 頭部
12 脚部
13 ねじ山
14 凹部
15 溝部
16 台地部
Claims (2)
- ねじ山を形成した脚部に頭部を一体形成し、溝部は所定幅で側壁面が底面に対し垂直に切り立ったねじにおいて、前記頭部表面の外周部を除いて中心を含む所定領域を所定深さ陥没させて形成した平坦底面の陥没状円孔型凹部と、前記頭部表面の前記凹部外周囲に形成された外輪状円弧型台地部上であって、前記頭部表面の中心で直交する異方向の直径からなる十字線が通る軌道領域に前記台地部を横切って穿設して形成した前記凹部と同一深さの溝部とを具備し、締付工具はプラス型ドライバで締付部は十字形羽根とし、上記羽根を十字中心を上記円孔内に収納して上記溝部と凹部に同時挿入し、十字形により上記円孔内に形成された複数の四分円孔の各内壁部分となる羽根の側壁面は円孔型凹部側の内壁面と非接触となるようにし、上記十字形羽根から上記各溝部側壁面に加えた締付トルクにより付与された各二平行力からなる偶力に、凹部最大径を着力点間距離として乗じてなる偶力モーメントにおいて上記凹部最大径により着力点間距離の比率を大きくして締付トルクを軽減したことを特徴とするねじ。
- 頭部表面台地部の十字に交差する直径が通る軌道領域に形成された溝部を十字を一組として複数組、形成したことを特徴とする請求項1記載のねじ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014215781A JP5902786B1 (ja) | 2014-10-03 | 2014-10-03 | ねじ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014215781A JP5902786B1 (ja) | 2014-10-03 | 2014-10-03 | ねじ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5902786B1 true JP5902786B1 (ja) | 2016-04-13 |
JP2016075384A JP2016075384A (ja) | 2016-05-12 |
Family
ID=55747740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014215781A Active JP5902786B1 (ja) | 2014-10-03 | 2014-10-03 | ねじ |
Country Status (1)
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JP (1) | JP5902786B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109404398A (zh) * | 2018-10-23 | 2019-03-01 | 浙江荣亿精密机械股份有限公司 | 一种汽车连接固定件及其加工方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180007514A (ko) * | 2016-07-13 | 2018-01-23 | 김창훈 | 나사못과 나사못의 조임 공구 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5996415U (ja) * | 1982-12-18 | 1984-06-30 | 安西 逸見 | +頭ねじ |
JP2009008128A (ja) * | 2007-06-26 | 2009-01-15 | Showa Corp | ボルト |
JP2010084931A (ja) * | 2008-10-02 | 2010-04-15 | Daiwarashi Co Ltd | ねじ部材及びねじ回し具 |
JP2014156898A (ja) * | 2013-02-15 | 2014-08-28 | Miyagawa:Kk | 駆動穴付きねじ及び駆動穴付きねじの製造用ヘッダーパンチ |
-
2014
- 2014-10-03 JP JP2014215781A patent/JP5902786B1/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5996415U (ja) * | 1982-12-18 | 1984-06-30 | 安西 逸見 | +頭ねじ |
JP2009008128A (ja) * | 2007-06-26 | 2009-01-15 | Showa Corp | ボルト |
JP2010084931A (ja) * | 2008-10-02 | 2010-04-15 | Daiwarashi Co Ltd | ねじ部材及びねじ回し具 |
JP2014156898A (ja) * | 2013-02-15 | 2014-08-28 | Miyagawa:Kk | 駆動穴付きねじ及び駆動穴付きねじの製造用ヘッダーパンチ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109404398A (zh) * | 2018-10-23 | 2019-03-01 | 浙江荣亿精密机械股份有限公司 | 一种汽车连接固定件及其加工方法 |
CN109404398B (zh) * | 2018-10-23 | 2023-09-19 | 浙江荣亿精密机械股份有限公司 | 一种汽车连接固定件及其加工方法 |
Also Published As
Publication number | Publication date |
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JP2016075384A (ja) | 2016-05-12 |
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