JP2006102894A - ネジ抜き用ビット - Google Patents
ネジ抜き用ビット Download PDFInfo
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- JP2006102894A JP2006102894A JP2004294721A JP2004294721A JP2006102894A JP 2006102894 A JP2006102894 A JP 2006102894A JP 2004294721 A JP2004294721 A JP 2004294721A JP 2004294721 A JP2004294721 A JP 2004294721A JP 2006102894 A JP2006102894 A JP 2006102894A
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- Prior art keywords
- screw
- bit
- tip
- cut
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- 238000000605 extraction Methods 0.000 title claims abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 230000007423 decrease Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 description 14
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
【解決手段】 ネジ抜き用ビット1は、柄2の先端部に、基端側から先端側に向かって漸次縮径しているテーパー状の先尖部5を先端に備えたネジ抜取部3を設け、このネジ抜取部3の外周面に、先尖部5の先端から基端側に向かって、柄2の長さ方向に延びる溝6を形成することで、溝6の内面とネジ抜取部3の外周面との交線を、木ネジ30のねじ切方向とは逆方向の回転時に切削可能な切刃7にし、この切刃7に、ネジ抜取部3をネジ頭部31中心部に所定の深さまで切りむと係止穴32の内面部に引掛かり、木ネジ30を供回りさせる切欠部8を設ける。
【選択図面】 図1
Description
ーパー状に形成することを特徴としている。
。
手早く簡単に木ネジ30から取り外すことができる。
2 柄
3 ネジ抜取部
4 係止部
5 先尖部
6 溝
6a 左の面
6b 右の面
7 切刃
8 切欠部
9 傾斜面
Claims (3)
- ネジ頭部のネジ回し用の係止穴が潰れたネジを抜き取るためのネジ抜き用ビットであって、柄の先端部に、基端側から先端側に向かって漸次縮径しているテーパー状の先尖部を先端に備えたネジ抜取部が設けられており、このネジ抜取部の外周面に前記先尖部の先端から基端側に向かって、前記柄の長さ方向に延びる溝が形成されて、この溝の内面と前記ネジ抜取部の外周面との交線が、前記ネジのねじ切方向とは逆方向の回転時に切削可能な切刃になっており、この切刃に、前記ネジ抜取部が前記ネジ頭部の中心部に所定の深さまで切り込まれると前記係止穴の内面部に引掛かることによって前記ネジを供回りさせる切欠部が設けられていることを特徴とするネジ抜き用ビット。
- 前記ネジ抜取部の少なくとも前記先尖部の先端から前記切欠部までの外周面が、縦断面において両側が内側に向かって湾曲している先細りのテーパー状に形成されていることを特徴としている請求項1記載のネジ抜き用ビット。
- 前記切刃になっている交線とは別の交線が、前記切刃の切削可能な回転方向とは逆方向に上り傾斜となるように前記溝が形成されていることを特徴とする請求項1または2記載のネジ抜き用ビット。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004294721A JP4272608B2 (ja) | 2004-10-07 | 2004-10-07 | ネジ抜き用ビット |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004294721A JP4272608B2 (ja) | 2004-10-07 | 2004-10-07 | ネジ抜き用ビット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006102894A true JP2006102894A (ja) | 2006-04-20 |
JP4272608B2 JP4272608B2 (ja) | 2009-06-03 |
Family
ID=36373176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004294721A Active JP4272608B2 (ja) | 2004-10-07 | 2004-10-07 | ネジ抜き用ビット |
Country Status (1)
Country | Link |
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JP (1) | JP4272608B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102965271A (zh) * | 2012-11-07 | 2013-03-13 | 苏州市外来有害生物防控技术中心 | 一种木材中松材线虫核酸快速提取装置 |
JP6301537B1 (ja) * | 2017-07-07 | 2018-03-28 | 株式会社エンジニア | ネジ抜取工具 |
CN109015531A (zh) * | 2018-10-15 | 2018-12-18 | 安徽铸星机械制造有限公司 | 一种断头螺杆取出方法 |
-
2004
- 2004-10-07 JP JP2004294721A patent/JP4272608B2/ja active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102965271A (zh) * | 2012-11-07 | 2013-03-13 | 苏州市外来有害生物防控技术中心 | 一种木材中松材线虫核酸快速提取装置 |
CN102965271B (zh) * | 2012-11-07 | 2014-05-28 | 苏州市外来有害生物防控技术中心 | 一种木材中松材线虫核酸快速提取装置 |
JP6301537B1 (ja) * | 2017-07-07 | 2018-03-28 | 株式会社エンジニア | ネジ抜取工具 |
WO2019008865A1 (ja) * | 2017-07-07 | 2019-01-10 | 株式会社エンジニア | ネジ抜取工具 |
CN109015531A (zh) * | 2018-10-15 | 2018-12-18 | 安徽铸星机械制造有限公司 | 一种断头螺杆取出方法 |
CN109015531B (zh) * | 2018-10-15 | 2020-05-12 | 安徽铸星机械制造有限公司 | 一种断头螺杆取出方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4272608B2 (ja) | 2009-06-03 |
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