EP1980371A4 - Impact tool - Google Patents

Impact tool

Info

Publication number
EP1980371A4
EP1980371A4 EP07707646A EP07707646A EP1980371A4 EP 1980371 A4 EP1980371 A4 EP 1980371A4 EP 07707646 A EP07707646 A EP 07707646A EP 07707646 A EP07707646 A EP 07707646A EP 1980371 A4 EP1980371 A4 EP 1980371A4
Authority
EP
European Patent Office
Prior art keywords
impact tool
impact
tool
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
EP07707646A
Other languages
German (de)
French (fr)
Other versions
EP1980371A1 (en
EP1980371B1 (en
Inventor
Masanori Furusawa
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 EP1980371A1 publication Critical patent/EP1980371A1/en
Publication of EP1980371A4 publication Critical patent/EP1980371A4/en
Application granted granted Critical
Publication of EP1980371B1 publication Critical patent/EP1980371B1/en
Expired - Fee Related 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
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/12—Means for driving the impulse member comprising a crank mechanism
    • B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • 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
    • B25D2211/003—Crossed drill and motor spindles
    • 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
    • B25D2216/0015—Tools having a percussion-only mode
    • 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
    • B25D2216/0023—Tools having a percussion-and-rotation mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0011—Details of anvils, guide-sleeves or pistons
    • B25D2217/0023—Pistons
    • B25D2217/0026—Double pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0073—Arrangements for damping of the reaction force
    • B25D2217/0076—Arrangements for damping of the reaction force by use of counterweights
    • B25D2217/0088—Arrangements for damping of the reaction force by use of counterweights being mechanically-driven
    • 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
    • B25D2250/275—Tools having at least two similar components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP07707646.1A 2006-01-31 2007-01-29 Impact tool Expired - Fee Related EP1980371B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006022446A JP2007203388A (en) 2006-01-31 2006-01-31 Impact tool
PCT/JP2007/051415 WO2007088821A1 (en) 2006-01-31 2007-01-29 Impact tool

Publications (3)

Publication Number Publication Date
EP1980371A1 EP1980371A1 (en) 2008-10-15
EP1980371A4 true EP1980371A4 (en) 2010-06-16
EP1980371B1 EP1980371B1 (en) 2014-03-19

Family

ID=38327394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07707646.1A Expired - Fee Related EP1980371B1 (en) 2006-01-31 2007-01-29 Impact tool

Country Status (3)

Country Link
EP (1) EP1980371B1 (en)
JP (1) JP2007203388A (en)
WO (1) WO2007088821A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2127820A1 (en) 2008-05-26 2009-12-02 Max Co., Ltd. Driving tool
ITPN20110067A1 (en) * 2011-10-11 2013-04-12 Giovanni Zago DRILLING EQUIPMENT-PLURI-CYLINDRICAL DEMOLITION FOR ELECTRO-PNEUMATIC ACTION
DE102015203487A1 (en) * 2015-02-26 2016-09-01 Ecoroll Ag Werkzeugtechnik Clamping device for influencing workpieces and associated method
US20230027574A1 (en) * 2021-07-26 2023-01-26 Makita Corporation Striking tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830332C (en) * 1950-02-11 1952-02-04 Moenninghoff Maschf Pneumatically operated pick hammer
DE967868C (en) * 1955-03-31 1957-12-19 Robel & Co G Impact device
JPS6033636A (en) * 1983-08-04 1985-02-21 Nec Corp Inferential device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS308287Y1 (en) * 1953-01-17 1955-06-15
JPS4963601A (en) * 1972-10-21 1974-06-20
JPS516583U (en) * 1974-07-02 1976-01-17
JPS6033636B2 (en) * 1979-07-04 1985-08-03 日立工機株式会社 electric hammer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830332C (en) * 1950-02-11 1952-02-04 Moenninghoff Maschf Pneumatically operated pick hammer
DE967868C (en) * 1955-03-31 1957-12-19 Robel & Co G Impact device
JPS6033636A (en) * 1983-08-04 1985-02-21 Nec Corp Inferential device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007088821A1 *

Also Published As

Publication number Publication date
WO2007088821A1 (en) 2007-08-09
EP1980371A1 (en) 2008-10-15
EP1980371B1 (en) 2014-03-19
JP2007203388A (en) 2007-08-16

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