EP1852223A3 - Tool holder for percussion tool - Google Patents

Tool holder for percussion tool Download PDF

Info

Publication number
EP1852223A3
EP1852223A3 EP07106821A EP07106821A EP1852223A3 EP 1852223 A3 EP1852223 A3 EP 1852223A3 EP 07106821 A EP07106821 A EP 07106821A EP 07106821 A EP07106821 A EP 07106821A EP 1852223 A3 EP1852223 A3 EP 1852223A3
Authority
EP
European Patent Office
Prior art keywords
work spindle
tool
impact tool
percussion
tool holder
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
EP07106821A
Other languages
German (de)
French (fr)
Other versions
EP1852223A2 (en
EP1852223B1 (en
Inventor
Oliver Ohlendorf
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP1852223A2 publication Critical patent/EP1852223A2/en
Publication of EP1852223A3 publication Critical patent/EP1852223A3/en
Application granted granted Critical
Publication of EP1852223B1 publication Critical patent/EP1852223B1/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
    • 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
    • B25D17/084—Rotating chucks or sockets
    • B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
    • 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
    • B25D17/20—Devices for cleaning or cooling tool or work
    • 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
    • B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
    • B25D2217/0061—Details related to cleaning or cooling the tool or workpiece related to cooling
    • 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
    • B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
    • B25D2217/0065—Use of dust covers
    • B25D2217/0069—Protecting chucks against entering of chip dust
    • 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
    • B25D2250/365—Use of seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Gripping On Spindles (AREA)
  • Drilling And Boring (AREA)
  • Portable Power Tools In General (AREA)

Abstract

Eine Handwerkzeugmaschine (1) mit einer für ein axial begrenzt beweglich geführtes Schlagwerkzeug (2) ausgebildeten Schlagwerkzeugaufnahme (3), die an einer Arbeitsspindel (4) mit einem koaxial innenliegenden Döpper (5) angeordnet ist, wobei zumindest ein innerhalb eines Aussengehäuses (6) sowie radial ausserhalb der Arbeitsspindel (4) verlaufender Kühlluftkanal (7) in einen radial aussen an die Arbeitsspindel (4) angrenzenden Freiraum (8) der Schlagwerkzeugaufnahme (3) einmündet, wobei der Freiraum (8) über eine zwischen dem Aussengehäuse (6) und der Schlagwerkzeugaufnahme (3) angeordnete Dichtung (9) nach aussen strömungsdicht geschlossen sowie über zumindest eine Luftöffnung (10) der Arbeitsspindel (4) mit deren Inneren durchströmbar verbunden ist.

Figure imgaf001
A hand tool machine (1) with a percussion tool holder (3) designed for an axially limited movable impact tool (2), which is arranged on a work spindle (4) with a coaxially inner striker (5), wherein at least one within an outer housing (6) and radially outwardly of the work spindle (4) extending cooling air duct (7) in a radially outward on the work spindle (4) adjacent free space (8) of the impact tool receptacle (3) opens, wherein the free space (8) via a between the outer housing (6) and the impact tool holder (3) arranged seal (9) closed to the outside flow-tight manner and via at least one air opening (10) of the work spindle (4) is connected to the interior of which flows through.
Figure imgaf001
EP07106821.7A 2006-05-05 2007-04-24 Tool holder for percussion tool Expired - Fee Related EP1852223B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006000209A DE102006000209A1 (en) 2006-05-05 2006-05-05 Hand tool machine with impact tool holder

Publications (3)

Publication Number Publication Date
EP1852223A2 EP1852223A2 (en) 2007-11-07
EP1852223A3 true EP1852223A3 (en) 2013-01-02
EP1852223B1 EP1852223B1 (en) 2014-04-23

Family

ID=38328913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106821.7A Expired - Fee Related EP1852223B1 (en) 2006-05-05 2007-04-24 Tool holder for percussion tool

Country Status (5)

Country Link
US (1) US8176997B2 (en)
EP (1) EP1852223B1 (en)
JP (1) JP5032882B2 (en)
CN (1) CN101066588A (en)
DE (1) DE102006000209A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000216B4 (en) * 2007-04-11 2022-10-27 Hilti Aktiengesellschaft Electric reciprocating saw
DE102009028890B4 (en) * 2009-08-26 2014-11-20 Hilti Aktiengesellschaft tool holder
US9481079B2 (en) * 2010-04-21 2016-11-01 Michael Taylor Grout removal tool
DE102010028302A1 (en) * 2010-04-28 2011-12-01 Hilti Aktiengesellschaft drilling
US20130299207A1 (en) * 2012-05-10 2013-11-14 Black & Decker, Inc. Power tool cooling
EP2749381B1 (en) 2012-12-25 2017-04-19 Makita Corporation Impact tool
JP5984658B2 (en) * 2012-12-25 2016-09-06 株式会社マキタ Impact tool
EP2871030A1 (en) * 2013-11-06 2015-05-13 HILTI Aktiengesellschaft Manual tool machine
EP2918376A1 (en) * 2014-03-12 2015-09-16 HILTI Aktiengesellschaft Chiselling hand-held machine tool
JP6339421B2 (en) * 2014-06-06 2018-06-06 古河ロックドリル株式会社 Chisel for excavator and excavator provided with the same
JP6863704B2 (en) 2016-10-07 2021-04-21 株式会社マキタ Strike tool
US10875168B2 (en) 2016-10-07 2020-12-29 Makita Corporation Power tool
CN213259295U (en) 2017-10-20 2021-05-25 米沃奇电动工具公司 Impact tool for performing cutting operations on a workpiece by means of a chisel
US11059155B2 (en) 2018-01-26 2021-07-13 Milwaukee Electric Tool Corporation Percussion tool
US11117249B2 (en) * 2018-05-23 2021-09-14 Illinois Tool Works Inc. Powered fastener driving tool
JP7246202B2 (en) 2019-02-19 2023-03-27 株式会社マキタ Power tool with vibration mechanism
JP7229807B2 (en) 2019-02-21 2023-02-28 株式会社マキタ Electric tool
EP3991919A1 (en) * 2020-10-28 2022-05-04 Hilti Aktiengesellschaft Mobile machine tool with a water-containing lubricant and use of the mobile machine tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2091304A5 (en) * 1970-05-15 1972-01-14 Hilti Ag
US5307881A (en) * 1992-10-02 1994-05-03 Ingersoll-Rand Company Flushing system for a percussive, fluid-activated apparatus
EP1252976A1 (en) * 2001-04-20 2002-10-30 Black & Decker Inc. Percussion hammer with vibration damping mechanism
US20040226729A1 (en) * 2003-05-12 2004-11-18 Nitto Kohki Co., Ltd. Impact tool
WO2006004547A1 (en) * 2004-07-05 2006-01-12 Atlas Copco Construction Tools Ab Impact tool with a movably supported impact mechanism

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214800A (en) * 1939-06-29 1940-09-17 Ingersoll Rand Co Percussive tool
US3718193A (en) * 1971-02-18 1973-02-27 Bosch Gmbh Robert Cooling system for portable impulse transmitting machines
DE2844086A1 (en) * 1978-10-10 1980-04-30 Bosch Gmbh Robert HAND MACHINE, IN PARTICULAR HAMMER
JP2000153473A (en) * 1998-11-19 2000-06-06 Makita Corp Hammering tool
EP1106307A1 (en) * 1999-12-10 2001-06-13 Vittorio Bertolla Mechanical hammer
EP1302281B1 (en) * 2001-10-15 2007-05-02 HILTI Aktiengesellschaft Cooling air duct in an electric percussive tool
DE102004058696A1 (en) * 2004-12-06 2006-06-08 Hilti Ag Electric power tool
DE102005000018A1 (en) * 2005-03-07 2006-09-14 Hilti Ag header

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2091304A5 (en) * 1970-05-15 1972-01-14 Hilti Ag
US5307881A (en) * 1992-10-02 1994-05-03 Ingersoll-Rand Company Flushing system for a percussive, fluid-activated apparatus
EP1252976A1 (en) * 2001-04-20 2002-10-30 Black & Decker Inc. Percussion hammer with vibration damping mechanism
US20040226729A1 (en) * 2003-05-12 2004-11-18 Nitto Kohki Co., Ltd. Impact tool
WO2006004547A1 (en) * 2004-07-05 2006-01-12 Atlas Copco Construction Tools Ab Impact tool with a movably supported impact mechanism

Also Published As

Publication number Publication date
JP2007296634A (en) 2007-11-15
JP5032882B2 (en) 2012-09-26
CN101066588A (en) 2007-11-07
US20070261871A1 (en) 2007-11-15
US8176997B2 (en) 2012-05-15
EP1852223A2 (en) 2007-11-07
EP1852223B1 (en) 2014-04-23
DE102006000209A1 (en) 2007-11-15

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