JP5187058B2 - 電動工具 - Google Patents

電動工具 Download PDF

Info

Publication number
JP5187058B2
JP5187058B2 JP2008207396A JP2008207396A JP5187058B2 JP 5187058 B2 JP5187058 B2 JP 5187058B2 JP 2008207396 A JP2008207396 A JP 2008207396A JP 2008207396 A JP2008207396 A JP 2008207396A JP 5187058 B2 JP5187058 B2 JP 5187058B2
Authority
JP
Japan
Prior art keywords
fan
rotor core
sleeve
power tool
motor
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
Application number
JP2008207396A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010042467A (ja
JP2010042467A5 (enExample
Inventor
智幸 星
潤一 東海林
和博 大森
康生 川端
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP2008207396A priority Critical patent/JP5187058B2/ja
Publication of JP2010042467A publication Critical patent/JP2010042467A/ja
Publication of JP2010042467A5 publication Critical patent/JP2010042467A5/ja
Application granted granted Critical
Publication of JP5187058B2 publication Critical patent/JP5187058B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/008Cooling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
JP2008207396A 2008-08-11 2008-08-11 電動工具 Active JP5187058B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008207396A JP5187058B2 (ja) 2008-08-11 2008-08-11 電動工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008207396A JP5187058B2 (ja) 2008-08-11 2008-08-11 電動工具

Publications (3)

Publication Number Publication Date
JP2010042467A JP2010042467A (ja) 2010-02-25
JP2010042467A5 JP2010042467A5 (enExample) 2011-04-28
JP5187058B2 true JP5187058B2 (ja) 2013-04-24

Family

ID=42014268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008207396A Active JP5187058B2 (ja) 2008-08-11 2008-08-11 電動工具

Country Status (1)

Country Link
JP (1) JP5187058B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6334914B2 (ja) * 2013-12-25 2018-05-30 株式会社マキタ 電動工具
JP6497237B2 (ja) * 2015-06-26 2019-04-10 工機ホールディングス株式会社 電動工具
JP7624296B2 (ja) * 2020-03-31 2025-01-30 株式会社マキタ 打撃工具
JP2023133009A (ja) * 2022-03-11 2023-09-22 株式会社マキタ 電動工具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079063U (ja) * 1993-06-28 1995-02-07 株式会社三協精機製作所 モータのファン取付構造
JPH08251848A (ja) * 1995-01-11 1996-09-27 Yaskawa Electric Corp 永久磁石形同期回転電機のロータ
JPH09261922A (ja) * 1996-03-25 1997-10-03 Sawafuji Electric Co Ltd 発動発電機のロータ構造
JP2004007869A (ja) * 2002-05-30 2004-01-08 Makita Corp 電動工具用ブラシレスモータ

Also Published As

Publication number Publication date
JP2010042467A (ja) 2010-02-25

Similar Documents

Publication Publication Date Title
JP5743085B2 (ja) 電動工具
US7719146B2 (en) Power tool with yoke rotation prevention means
US11646639B2 (en) Electric power tool
US7355316B2 (en) Electrical tool
EP4195473B1 (en) Power tool with compact outer-rotor motor assembly
US11916447B2 (en) Overmolded rotor structure
US20240364159A1 (en) Overmolded rotor structure
JP5187058B2 (ja) 電動工具
JP5025999B2 (ja) 電動工具のdcブラシレスモータ
US9397535B2 (en) Brushless motor and electric-powered tool
JP5353380B2 (ja) 電動工具
US7535144B2 (en) Structure for retaining magnets relative to stator in electric tool
JP6863415B2 (ja) 電動工具
JP2016022555A (ja) 電動工具
US20240022126A1 (en) Rotor magnet retention structure in brushless motor
JP5024609B2 (ja) 電動工具
JP4947490B2 (ja) 電動工具
JP2010000566A (ja) 電動工具
US20250293556A1 (en) Stator to rotor retention clip
US12500479B2 (en) Brushless motor having an overmolded rotor
JP2020182978A (ja) ネジ締め工具
JP2007295772A (ja) Dcブラシレスモータ

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110315

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110315

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20121017

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121023

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121204

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121225

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130107

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160201

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 5187058

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350