EP2700478A4 - Hammer drill - Google Patents

Hammer drill

Info

Publication number
EP2700478A4
EP2700478A4 EP12773927.4A EP12773927A EP2700478A4 EP 2700478 A4 EP2700478 A4 EP 2700478A4 EP 12773927 A EP12773927 A EP 12773927A EP 2700478 A4 EP2700478 A4 EP 2700478A4
Authority
EP
European Patent Office
Prior art keywords
hammer drill
hammer
drill
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.)
Granted
Application number
EP12773927.4A
Other languages
German (de)
French (fr)
Other versions
EP2700478A1 (en
EP2700478B1 (en
Inventor
Kiyonobu Yoshikane
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.)
Makita Corp
Original Assignee
Makita Corp
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 Makita Corp filed Critical Makita Corp
Publication of EP2700478A1 publication Critical patent/EP2700478A1/en
Publication of EP2700478A4 publication Critical patent/EP2700478A4/en
Application granted granted Critical
Publication of EP2700478B1 publication Critical patent/EP2700478B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/066—Means for driving the impulse member using centrifugal or rotary impact elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/06—Means for driving the impulse member
    • B25D2211/061—Swash-plate actuated impulse-driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0007—Details of percussion or rotation modes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D2216/0084—Mode-changing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/165—Overload clutches, torque limiters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP12773927.4A 2011-04-18 2012-04-17 Hammer drill Active EP2700478B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011092302A JP2012223844A (en) 2011-04-18 2011-04-18 Hammer drill
PCT/JP2012/060386 WO2012144500A1 (en) 2011-04-18 2012-04-17 Hammer drill

Publications (3)

Publication Number Publication Date
EP2700478A1 EP2700478A1 (en) 2014-02-26
EP2700478A4 true EP2700478A4 (en) 2014-12-03
EP2700478B1 EP2700478B1 (en) 2020-01-01

Family

ID=47041606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12773927.4A Active EP2700478B1 (en) 2011-04-18 2012-04-17 Hammer drill

Country Status (3)

Country Link
EP (1) EP2700478B1 (en)
JP (1) JP2012223844A (en)
WO (1) WO2012144500A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014156471A1 (en) * 2013-03-26 2014-10-02 日立工機株式会社 Electric tool
EP3040164A4 (en) * 2013-08-30 2017-04-05 Hitachi Koki Co., Ltd. Boring tool
JP6600960B2 (en) * 2015-03-30 2019-11-06 工機ホールディングス株式会社 Reciprocating tool
US10406667B2 (en) 2015-12-10 2019-09-10 Black & Decker Inc. Drill
GB2545237A (en) 2015-12-10 2017-06-14 Black & Decker Inc Planetray gear system
GB2545238A (en) * 2015-12-10 2017-06-14 Black & Decker Inc Drill
TWI648113B (en) * 2018-06-14 2019-01-21 盧燦陽 Hammer drill

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269466A (en) * 1964-07-17 1966-08-30 Rockwell Mfg Co Impact tool
JPH0970771A (en) * 1995-09-08 1997-03-18 Hitachi Koki Co Ltd Operation mode switching device of hammer drill
US20070289759A1 (en) * 2006-05-30 2007-12-20 Markus Hartmann Hand-held machine tool with slip clutch
EP2236249A2 (en) * 2009-04-01 2010-10-06 Makita Corporation Hammer drill

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4882485A (en) * 1972-02-03 1973-11-05
JPH0349881A (en) * 1989-07-15 1991-03-04 Matsushita Electric Works Ltd Impact tool
JP2513620Y2 (en) * 1990-03-09 1996-10-09 日立工機株式会社 Impact tool
JP3532504B2 (en) * 1992-12-16 2004-05-31 株式会社マキタ Rotary impact tool
GB0100605D0 (en) * 2001-01-10 2001-02-21 Black & Decker Inc Hammer
JP5668525B2 (en) * 2011-02-23 2015-02-12 日立工機株式会社 Electric tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269466A (en) * 1964-07-17 1966-08-30 Rockwell Mfg Co Impact tool
JPH0970771A (en) * 1995-09-08 1997-03-18 Hitachi Koki Co Ltd Operation mode switching device of hammer drill
US20070289759A1 (en) * 2006-05-30 2007-12-20 Markus Hartmann Hand-held machine tool with slip clutch
EP2236249A2 (en) * 2009-04-01 2010-10-06 Makita Corporation Hammer drill

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012144500A1 *

Also Published As

Publication number Publication date
WO2012144500A1 (en) 2012-10-26
JP2012223844A (en) 2012-11-15
EP2700478A1 (en) 2014-02-26
EP2700478B1 (en) 2020-01-01

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