JP7021674B2 - 電動工具 - Google Patents
電動工具 Download PDFInfo
- Publication number
- JP7021674B2 JP7021674B2 JP2019544471A JP2019544471A JP7021674B2 JP 7021674 B2 JP7021674 B2 JP 7021674B2 JP 2019544471 A JP2019544471 A JP 2019544471A JP 2019544471 A JP2019544471 A JP 2019544471A JP 7021674 B2 JP7021674 B2 JP 7021674B2
- Authority
- JP
- Japan
- Prior art keywords
- surface portion
- anvil
- curved surface
- recess
- flat surface
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
- B25B21/026—Impact clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Power Tools In General (AREA)
Description
Claims (7)
- ハウジングと、
前記ハウジングに収容され回転可能なモータと、
前記ハウジングに、軸心を中心にして回転可能に支持されたアンビルと、
前記モータで発生した回転力を前記軸心を中心とした回転打撃力に変換し、前記回転打撃力を前記アンビルに作用させるインパクト機構とを有し、
前記アンビルは、
前記ハウジングに対して相対回転可能に設けられた基部と、
先端工具を取付け可能であり平面部を備えた先端工具取付部と、
前記基部と前記先端工具取付部とを一体に接続し、前記基部から前記先端工具取付部に向かって半径が徐々に減少し、前記先端工具取付部から前記基部に向かう後方に窪んだ凹部が形成された接続部とを有し、
前記接続部は、前記凹部が形成された外周部を有し、
前記平面部に平行で前記凹部を通過する平面に沿った断面において、前記凹部は、前記外周部において前記凹部と接続される箇所よりも前記先端工具取付部から前記基部に向かう前記後方に窪んでいることを特徴とする電動工具。 - 前記凹部は、前記平面部に接する位置に形成されていることを特徴とする請求項1に記載の電動工具。
- 前記凹部は、前記平面部から離間する位置に形成されていることを特徴とする請求項1に記載の電動工具。
- 前記凹部は、前記平面部に接する位置に形成されている第1凹部と、前記平面部から離間する位置に形成されている第2凹部とを有することを特徴とする請求項1に記載の電動工具。
- 前記断面において、前記凹部は前記後方に窪んだ曲線形状を有することを特徴とする請求項1乃至4の何れか一項に記載の電動工具。
- 前記断面において、前記凹部は前記後方に窪んだ円弧形状を有することを特徴とする請求項1乃至4の何れか一項に記載の電動工具。
- 前記断面において、前記凹部は前記後方に窪んだ放物線形状を有することを特徴とする請求項1乃至4の何れか一項に記載の電動工具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017190508 | 2017-09-29 | ||
JP2017190508 | 2017-09-29 | ||
PCT/JP2018/032392 WO2019065086A1 (ja) | 2017-09-29 | 2018-08-31 | 電動工具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019065086A1 JPWO2019065086A1 (ja) | 2020-07-02 |
JP7021674B2 true JP7021674B2 (ja) | 2022-02-17 |
Family
ID=65901336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019544471A Active JP7021674B2 (ja) | 2017-09-29 | 2018-08-31 | 電動工具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11992920B2 (ja) |
EP (1) | EP3689547A4 (ja) |
JP (1) | JP7021674B2 (ja) |
CN (1) | CN111032289A (ja) |
WO (1) | WO2019065086A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11433514B2 (en) * | 2019-06-03 | 2022-09-06 | Kabo Tool Company | Driving head structure of socket wrench |
US20210283757A1 (en) * | 2020-03-12 | 2021-09-16 | Ingersoll-Rand Industrial U.S., Inc. | Impact tool anvil having a transition region with multiple attributes |
WO2022221563A1 (en) * | 2021-04-15 | 2022-10-20 | Milwaukee Electric Tool Corporation | Impact tool anvil with friction ring |
CN220051627U (zh) * | 2022-03-09 | 2023-11-21 | 米沃奇电动工具公司 | 冲击工具以及砧 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005279922A (ja) | 2004-03-26 | 2005-10-13 | Black & Decker Inc | 四角ドライバーへ遷移する改善された金床を有するインパクトレンチ |
WO2009137690A1 (en) | 2008-05-07 | 2009-11-12 | Milwaukee Electric Tool Corporation | Anvil assembly for a power tool |
US8342061B2 (en) | 2009-08-14 | 2013-01-01 | Sunex International, Inc. | Wrench adapter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4865485A (en) * | 1988-07-05 | 1989-09-12 | Finnefrock Sr James A | Socket extension with safety wedge |
US5038869A (en) * | 1989-07-24 | 1991-08-13 | Snap-On Tools Corporation | Fatigue-resistant spindle end |
USD384563S (en) * | 1996-07-01 | 1997-10-07 | Robinson William A | Socket bit tool |
DE20118029U1 (de) * | 2001-11-06 | 2002-01-31 | Tranmax Machinery Co | Torsionsbegrenzendes Glied für einen Schlagmechanismus |
US7207393B2 (en) | 2004-12-02 | 2007-04-24 | Eastway Fair Company Ltd. | Stepped drive shaft for a power tool |
US7249638B2 (en) * | 2005-01-07 | 2007-07-31 | Black & Decker Inc. | Impact wrench anvil and method of forming an impact wrench anvil |
US7980321B2 (en) | 2006-10-13 | 2011-07-19 | Snap-On Incorporated | Anvil for a power tool |
CN201350613Y (zh) | 2009-01-22 | 2009-11-25 | 越崎企业股份有限公司 | 用于气动工具的打击组 |
EP2948274A1 (en) | 2013-01-24 | 2015-12-02 | Hitachi Koki Co., Ltd. | Power tool |
JP6011359B2 (ja) | 2013-01-24 | 2016-10-19 | 日立工機株式会社 | 電動工具 |
US20140262394A1 (en) * | 2013-03-14 | 2014-09-18 | Milwaukee Electric Tool Corporation | Impact tool |
US9669526B2 (en) * | 2014-01-07 | 2017-06-06 | Ingersoll-Rand Company | Tools with socket retainers |
-
2018
- 2018-08-31 US US16/632,201 patent/US11992920B2/en active Active
- 2018-08-31 CN CN201880050101.6A patent/CN111032289A/zh active Pending
- 2018-08-31 EP EP18861058.8A patent/EP3689547A4/en active Pending
- 2018-08-31 WO PCT/JP2018/032392 patent/WO2019065086A1/ja unknown
- 2018-08-31 JP JP2019544471A patent/JP7021674B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005279922A (ja) | 2004-03-26 | 2005-10-13 | Black & Decker Inc | 四角ドライバーへ遷移する改善された金床を有するインパクトレンチ |
WO2009137690A1 (en) | 2008-05-07 | 2009-11-12 | Milwaukee Electric Tool Corporation | Anvil assembly for a power tool |
US8342061B2 (en) | 2009-08-14 | 2013-01-01 | Sunex International, Inc. | Wrench adapter |
Also Published As
Publication number | Publication date |
---|---|
CN111032289A (zh) | 2020-04-17 |
WO2019065086A1 (ja) | 2019-04-04 |
JPWO2019065086A1 (ja) | 2020-07-02 |
EP3689547A1 (en) | 2020-08-05 |
US20200215667A1 (en) | 2020-07-09 |
EP3689547A4 (en) | 2021-06-30 |
US11992920B2 (en) | 2024-05-28 |
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