EP1321244A1 - Schlagwerkzeugaufnahme - Google Patents

Schlagwerkzeugaufnahme Download PDF

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Publication number
EP1321244A1
EP1321244A1 EP02406087A EP02406087A EP1321244A1 EP 1321244 A1 EP1321244 A1 EP 1321244A1 EP 02406087 A EP02406087 A EP 02406087A EP 02406087 A EP02406087 A EP 02406087A EP 1321244 A1 EP1321244 A1 EP 1321244A1
Authority
EP
European Patent Office
Prior art keywords
tool
tool holder
stop
holder according
spring means
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.)
Withdrawn
Application number
EP02406087A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jens Frenzel
Josef Fünfer
Michael Schamberger
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 EP1321244A1 publication Critical patent/EP1321244A1/de
Withdrawn legal-status Critical Current

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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
    • B25D11/005—Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface
    • 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
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B25D2217/0042—Ball-shaped locking members
    • 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
    • B25D2250/131—Idling mode of tools
    • 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
    • B25D2250/321—Use of balls
    • 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
    • B25D2250/371—Use of springs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17042—Lost motion
    • Y10T279/17068—Rotary socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17042—Lost motion
    • Y10T279/17094—Sleeve type retainer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17666—Radially reciprocating jaws
    • Y10T279/17692—Moving-cam actuator
    • Y10T279/17743—Reciprocating cam sleeve
    • Y10T279/17752—Ball or roller jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/34—Accessory or component
    • Y10T279/3487—Tool or work stop or locator

Definitions

  • the invention relates to a tool holder of an at least partially striking tool Tool device such as a hammer drill for limited axially movable reception of a Tool.
  • Such tool holders take the insertion end of the tool over radial Guide inner surfaces of a tool guide with the corresponding inner diameter coaxially guided on.
  • the axial mobility is on both sides via at least one limited, displaceable rigid locking body axially fixed in the tool holder, which is usually with a body part in axially limited, radially outer on both sides Locking grooves of the insertion end engages.
  • such a tool holder Locking body as two axially spaced, radially displaceable balls executed, which over two assigned ring sleeves, which by a common Locking sleeve can be actuated, released radially to the outside or locked.
  • the two locking bodies, which over the rotation of the locking sleeve are positively offset, allow a combined tool holder for different insertion systems.
  • the object of the invention is to implement an impact tool holder, which tool devices carrying out blank strokes transmit the blank strokes on the tool.
  • Another aspect is the avoidance of Empty blows in tool tools with blank bladder suppression, which in particular in an upward oriented, heavy tool due to the force of gravity inside the Deactivate the existing blank impact suppression tool.
  • a tool holder essentially has an at least partially striking one Tool device a tool guide with at least one locking body for Holds a tool within an axial movement length limited on both sides and at least one by inserting the tool against the force of one Spring means displaceable stop body, which within the by the Locking body locked, limited axial movement length with a device side oriented contact surface of the insertion end can be contacted.
  • the stop surface of the insertion end by a part of the device side is advantageous Formed end face of the insertion end, whereby common tools with the insert system assigned to a specific tool holder can be used, especially SDS and SDS-Plus insert systems.
  • the stop body is advantageously arranged on the device side of the locking body, whereby the end position of the insertion end can be used for the stop surface.
  • the stop body is advantageously radially limitedly movable in the tool holder arranged, the tool guide further advantageously leading to the guide inner surface the tool guide open, positive inner radial stop and that Spring means forms a non-positive outer radial stop, whereby the Stop body captive and positionable through the inner guide surface is.
  • the stop body is advantageous as a hardened, further optionally to a spherical Locking body small, ball-shaped, which with a standardized, highly wear-resistant body, space-saving and point-rotation-free contacting possible is.
  • the spring means is at least partially advantageous together with the locking body relocatable, further optionally by actuating one manually or axially from the outside rotating slewable locking sleeve, which in one operation Unlocking and unlocking the tool is possible, whereby the user does not have the Needs to overcome the spring force of the spring means when changing the tool.
  • the spring means advantageously has a dome which is widened radially outwards and which forms the Releases the stopper body radially outwards, the spring means being pivotable is relocatable.
  • the spring means is advantageously designed as an annular spring, which the stop body includes radially outside and prestressed radially inwards, which results in prestressing Ring forces can be used.
  • the ring spring advantageously lies at least partially on a cylindrical one Outside guide surface of the tool guide, whereby the ring spring can be pivoted is stored.
  • the annular spring advantageously forms an axially projecting rotary driving hook, which into a recess of the at least partially rotatable Locking sleeve engages in a rotationally positive manner, whereby the spring means directly with the Locking sleeve can be combined.
  • Locking body 4 for receiving a tool limited on both sides axial movement length X and one due to the SDS insertion system trained insertion end 5 of the tool against the force of a spring means 6 displaceable, stop body 7 arranged on the device side from the locking body 4, which within the locked by the locking body 4, limited axial Movement length X with a device-side designed as the end face of the insertion end 5 oriented contact surface 8 of the insertion end 6 can be contacted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP02406087A 2001-12-21 2002-12-11 Schlagwerkzeugaufnahme Withdrawn EP1321244A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10163176A DE10163176A1 (de) 2001-12-21 2001-12-21 Schlagwerkzeugaufnahme
DE10163176 2001-12-21

Publications (1)

Publication Number Publication Date
EP1321244A1 true EP1321244A1 (de) 2003-06-25

Family

ID=7710312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02406087A Withdrawn EP1321244A1 (de) 2001-12-21 2002-12-11 Schlagwerkzeugaufnahme

Country Status (5)

Country Link
US (1) US6820700B2 (zh)
EP (1) EP1321244A1 (zh)
JP (1) JP4319401B2 (zh)
CN (1) CN1298472C (zh)
DE (1) DE10163176A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10321869A1 (de) * 2003-05-15 2004-12-02 Robert Bosch Gmbh Handwerkzeugmaschine
DE102005000168A1 (de) * 2005-11-25 2007-05-31 Hilti Ag Werkzeugaufnahme
DE102006036955A1 (de) * 2006-08-08 2008-02-14 Robert Bosch Gmbh Werkzeugaufnahme
DE102007000453A1 (de) * 2007-08-20 2009-02-26 Hilti Aktiengesellschaft Wechselbare Werkzeugaufnahme
US8091952B2 (en) 2007-09-19 2012-01-10 Prolam, Societe En Commandite Hardwood truck flooring with wood preservatives
US8403339B2 (en) 2008-06-18 2013-03-26 Jacobs Chuck Manufacturing Company Self tightening chuck with an axial lock
US11007631B2 (en) * 2014-01-15 2021-05-18 Milwaukee Electric Tool Corporation Bit retention assembly for rotary hammer
DE102014106082A1 (de) * 2014-04-30 2015-11-05 Röhm Gmbh Bohrfutter
CN105697141B (zh) * 2016-03-24 2019-02-01 张忠友 风冷λ型二冲程双塞式柴油增压发动机
US10641051B1 (en) * 2016-09-07 2020-05-05 Dandelion Energy, Inc. Systems and methods for coupling and decoupling drill heads for ground loop preparation for geothermal applications
US11685032B2 (en) 2020-07-02 2023-06-27 Milwaukee Electric Tool Corporation Rotary impact tool having bit holding device
WO2022155479A1 (en) * 2021-01-14 2022-07-21 Milwaukee Electric Tool Corporation Tool bit
US20220361934A1 (en) * 2021-05-13 2022-11-17 DePuy Synthes Products, Inc. Surgical impacting tool interfaces

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291475A (en) * 1968-12-07 1972-10-04 Bosch Gmbh Robert Improvements in motor driven manually controlled percussive tools
DE3421811A1 (de) * 1984-06-12 1985-12-12 Hilti Ag, Schaan Werkzeughalter fuer bohr- und meisselgeraete
DE3634282A1 (de) * 1986-10-08 1988-04-21 Hilti Ag Motorisch betriebener bohrhammer
DE3638215A1 (de) * 1986-11-08 1988-05-11 Hilti Ag Werkzeughalter mit anschlagelement
DE10105250A1 (de) * 2000-02-10 2001-09-06 Hitachi Koki Kk Werkzeugeinsatz-Haltevorrichtung in Schlagwerkzeugen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE105250C (zh)
DE3634285A1 (de) 1986-10-08 1988-04-21 Kugelfischer G Schaefer & Co Anpress- oder umlenkrolle fuer magnetbaender
DE4100186A1 (de) * 1991-01-05 1992-07-09 Bosch Gmbh Robert Handwerkzeugmaschine mit abnehmbaren werkzeughalter
DE4418103A1 (de) * 1994-05-24 1995-11-30 Hilti Ag Bohr- und/oder Meisselgerät
GB9910599D0 (en) * 1999-05-08 1999-07-07 Black & Decker Inc Rotary hammer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291475A (en) * 1968-12-07 1972-10-04 Bosch Gmbh Robert Improvements in motor driven manually controlled percussive tools
DE3421811A1 (de) * 1984-06-12 1985-12-12 Hilti Ag, Schaan Werkzeughalter fuer bohr- und meisselgeraete
DE3634282A1 (de) * 1986-10-08 1988-04-21 Hilti Ag Motorisch betriebener bohrhammer
DE3638215A1 (de) * 1986-11-08 1988-05-11 Hilti Ag Werkzeughalter mit anschlagelement
DE10105250A1 (de) * 2000-02-10 2001-09-06 Hitachi Koki Kk Werkzeugeinsatz-Haltevorrichtung in Schlagwerkzeugen

Also Published As

Publication number Publication date
US20030116334A1 (en) 2003-06-26
JP2003205475A (ja) 2003-07-22
CN1298472C (zh) 2007-02-07
US6820700B2 (en) 2004-11-23
CN1426867A (zh) 2003-07-02
DE10163176A1 (de) 2003-07-03
JP4319401B2 (ja) 2009-08-26

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

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Effective date: 20090917