EP0768151B1 - Porte-outil - Google Patents

Porte-outil Download PDF

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Publication number
EP0768151B1
EP0768151B1 EP96810422A EP96810422A EP0768151B1 EP 0768151 B1 EP0768151 B1 EP 0768151B1 EP 96810422 A EP96810422 A EP 96810422A EP 96810422 A EP96810422 A EP 96810422A EP 0768151 B1 EP0768151 B1 EP 0768151B1
Authority
EP
European Patent Office
Prior art keywords
tool
locking element
tool holder
locking elements
receiving sleeve
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.)
Expired - Lifetime
Application number
EP96810422A
Other languages
German (de)
English (en)
Other versions
EP0768151A1 (fr
Inventor
Hans-Werner Bongers-Ambrosius
Jörg Eichhorn
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 EP0768151A1 publication Critical patent/EP0768151A1/fr
Application granted granted Critical
Publication of EP0768151B1 publication Critical patent/EP0768151B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0034—Details of shank profiles
    • 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
    • B25D2217/0049—Roll-shaped locking members
    • 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
    • Y10T279/17076—Spreading elements
    • 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
    • Y10T279/17—Socket type
    • Y10T279/17761—Side detent
    • Y10T279/17811—Reciprocating sleeve
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/907—Tool or Tool with support including detailed shank
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y10T408/953—Clamping jaws

Definitions

  • the invention relates to a tool holder for inserting a tool with a a circular cross-section insertion end, the at least one axially has a closed groove extending only partially over its circumference, wherein in a receiving sleeve at least one designed as a cylinder, the axial fixing and the locking element for torque transmission to the tool the groove is radially displaceable.
  • the known tool holder has two Locking elements, which are designed as cylinders and an alignment have, according to which the axis of rotation of the locking elements parallel to The main axis of a receiving sleeve runs.
  • the Locking elements radially displaceable in such a way that they are in the engaged position protrude the grooves provided on the tool. Because the grooves are axial are closed, the locking elements prevent the Tool from the tool holder and allow with a correspondingly long Dimensioning of the grooves the required axial movement of the tool.
  • the Grooves on the tool also have surfaces which are connected to the locking elements are in contact so that the torque is transferred to the tools becomes.
  • DE 89 10 822 U describes a tool holder with a counter to the drilling direction, against the force of a spring displaceable actuating sleeve and a receiving sleeve known into which the insertion end of a tool protrudes.
  • the insertion end has one circular cross-section and an axially closed groove that only partially over extends the circumference of the insertion end.
  • the receiving sleeve has a radial extending passage opening, that of receiving and guiding one as a cylinder trained locking element, whose axis of rotation to the main axis of the Receiving sleeve transversely and this is arranged cutting.
  • the radial displacement of the Locking element in a locking position takes place along its axis of rotation with the help of the actuating sleeve.
  • the object is achieved in that the axis of rotation of the Locking element is arranged transversely and at a distance from the main axis of the receiving sleeve.
  • this also serves with the groove in the Tool interacting locking element in its engaged position both the torque transmission and the axial holding of the tool, this axial bracket allows limited axial displacement. Since according to Invention the axis of rotation of the locking element transversely and at a distance from the direction of displacement the tool runs, the locking element is rolled according to Art of a rolling element. Relative displacements between tools leading to friction and locking element are avoided, resulting in an essential Increases the service life of both the tool and the tool holder.
  • the axis of rotation of the locking element in runs substantially perpendicular to the main axis of the receiving sleeve.
  • the length of the locking element is about 2 to 3 times its length Diameter is.
  • the ends of the locking elements are preferably dome-shaped, so that there are large transmission areas in cooperation with the tool form.
  • the dome-like stimuli lead to another when they pass on Avoid wear due to friction.
  • At least two locking elements are preferably provided, with Arrangement of two locking elements that are essentially diametrically opposed to each other can face each other. Instead of two locking elements, there is also the Possibility, for example, to provide three locking elements, which then offers these three locking elements evenly over the circumference of the Distribute the receiving sleeve.
  • a tool 1 is inserted into the tool holder, which has two diametrically opposite grooves 2, which are axially closed are.
  • the tool holder also has a receiving sleeve 3, which has openings 3a is provided. Within the openings 3a are designed as cylinders Locking elements 4 mounted radially. As the drawing shows, they are Stimulating the locking elements 4 formed dome-like.
  • the locking elements 4 are engaged with the grooves 2 of the tool 1. This allows a torque from the tool holder are transferred to the tool 1, the tool 1 due to the axial closed grooves 2 is axially secured and due to the corresponding Dimensioning of the grooves 2 is also axially displaceable to a limited extent. For this purpose If a locking element 4 is arranged, it exceeds the length of the respective groove 2 the diameter of the locking element 4 by a certain amount, which corresponds to the necessary axial movement.
  • the receiving sleeve 3 is surrounded by an actuating sleeve 5, which in turn by is surrounded by a cage 6.
  • the actuating sleeve 5 has niches, not shown, which, for example, by moving the actuating sleeve 5 in projection with the Locking elements 4 can be brought so that they are able to the extent that the tool 1 is removed from the tool holder can be.
  • locking elements 4 instead of arranging only one locking element 4 per groove 2 in tool 1 can also several locking elements 4, with one and the same groove 2nd cooperate, be provided. In such a case they are Locking elements 4 in a parallel to the main axis of the receiving sleeve 3rd running direction one behind the other and thus allow transmission higher torques. According to the number of envisaged Locking elements 4, the length of the groove 2 is to be dimensioned in the Way that the tool 1 can still perform a sufficient axial movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Percussive Tools And Related Accessories (AREA)

Claims (6)

  1. Porte-outil pour un outil (1) comprenant une extrémité enfichable à section transversale circulaire qui est pourvue d'au moins une gorge fermée axialement (2) qui ne s'étend que partiellement sur la périphérie de ladite extrémité enfichable, au moins un élément de verrouillage (4) qui est destiné à la gorge (2), est conçu sensiblement en forme de cylindre et sert au blocage axial de l'outil et à la transmission du couple de rotation à l'outil étant monté avec une possibilité de déplacement radial dans un manchon de logement (3), caractérisé en ce que l'axe de rotation de lélément de verrouillage (4) s'étend transversalement et à distance de l'axe principal du manchon de logement (3).
  2. Porte-outil selon la revendication 1, caractérisé en ce que l'axe de rotation du corps de verrouillage (4) est sensiblement perpendiculaire à l'axe principal du manchon de logement (3).
  3. Porte-outil selon la revendication 1 ou 2, caractérisé en ce que la longueur du corps de verrouillage (4) correspond de 1 à 3 fois à son diamètre.
  4. Porte-outil selon l'une des revendications 1 à 3, caractérisé en ce que les extrémités frontales de l'élément de verrouillage (4) possèdent la forme de calottes.
  5. Porte-outil selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins deux éléments de verrouillage (4) sont prévus.
  6. Porte-outil selon la revendication 5, caractérisé en ce que trois éléments de verrouillage (4) sont prévus.
EP96810422A 1995-10-09 1996-06-24 Porte-outil Expired - Lifetime EP0768151B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19537561 1995-10-09
DE19537561A DE19537561A1 (de) 1995-10-09 1995-10-09 Werkzeughalter

Publications (2)

Publication Number Publication Date
EP0768151A1 EP0768151A1 (fr) 1997-04-16
EP0768151B1 true EP0768151B1 (fr) 1999-03-10

Family

ID=7774390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96810422A Expired - Lifetime EP0768151B1 (fr) 1995-10-09 1996-06-24 Porte-outil

Country Status (6)

Country Link
US (1) US5807040A (fr)
EP (1) EP0768151B1 (fr)
JP (1) JP4025382B2 (fr)
CN (1) CN1068540C (fr)
DE (2) DE19537561A1 (fr)
DK (1) DK0768151T3 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0121947D0 (en) * 2001-09-12 2001-10-31 Black & Decker Inc Tool holder for hammer
US6843484B2 (en) 2002-07-08 2005-01-18 Monte L. Schroeder Quick change chuck
ATE460255T1 (de) * 2003-11-26 2010-03-15 Hilti Ag Werkzeugaufnahme für ein drehendes und schlagendes werkzeug
DE102004054685A1 (de) * 2004-11-12 2006-05-18 Hilti Ag Werkzeugaufnahme
US8668411B2 (en) 2009-09-16 2014-03-11 Iscar, Ltd. Cutting tool and holder
IL200980A0 (en) * 2009-09-16 2010-05-17 Iscar Ltd Cutting tool and holder
US10080579B2 (en) * 2015-03-25 2018-09-25 Medtronic Ps Medical, Inc. Pin drive rotary surgical cutting tools and powered handpieces
US10314610B2 (en) 2015-03-25 2019-06-11 Medtronic Ps Medical, Inc. Slanted drive axis rotary surgical cutting tools and powered handpieces
CN107570774A (zh) * 2017-08-28 2018-01-12 朱炳和 一种柄杆内孔易磨损的镗床铣刀柄
US10849634B2 (en) 2018-06-20 2020-12-01 Medtronic Xomed, Inc. Coupling portion for rotary surgical cutting systems
CN109047803A (zh) * 2018-09-26 2018-12-21 东莞市凯融光学科技有限公司 一种旋转式快速定位刀架盘
US12102369B2 (en) * 2021-05-13 2024-10-01 DePuy Synthes Products, Inc. Surgical impacting tool interfaces
US12582415B2 (en) 2022-11-16 2026-03-24 Medtronic Ps Medical, Inc. Oscillating surgical bone removal tool with fluted cutting head

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807473A (en) * 1956-02-20 1957-09-24 Alfred J Kiehne Tool mountings and release
US4377292A (en) * 1979-01-09 1983-03-22 The Bendix Corporation Chuck assembly and collet
SU1253767A1 (ru) * 1983-06-20 1986-08-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Механизированного И Ручного Строительно-Монтажного Инструмента,Вибраторов И Строительно-Отделочных Машин Устройство дл креплени рабочего инструмента в машине ударного действи
DE3824894A1 (de) * 1988-07-22 1990-01-25 Bosch Gmbh Robert Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung
US5013194A (en) * 1988-09-08 1991-05-07 Wienhold James L Chuck assembly for tool bits
US4900202A (en) * 1988-09-08 1990-02-13 Wienhold James L Chuck assembly for tool bits
DE8910822U1 (de) * 1989-09-11 1990-01-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Mit der Arbeitsspindel einer handgeführten Elektrowerkzeugmaschine vereinigbarer Adapter
DE4104131A1 (de) * 1990-05-08 1991-11-14 Bosch Gmbh Robert Handbohrmaschine
DE4105414A1 (de) * 1991-02-21 1992-08-27 Hilti Ag Werkzeug und werkzeughalter fuer handwerkzeuggeraete
CN1062315A (zh) * 1991-09-02 1992-07-01 深圳泰克新技术开发公司 钻攻工夹具
DE4200643A1 (de) * 1992-01-13 1993-07-15 Hilti Ag Werkzeug zum schlagbohren und meisseln und werkzeugaufnahme fuer diese werkzeuge
CN2121299U (zh) * 1992-03-10 1992-11-11 厉永明 快换式钻头夹具
DE4210451A1 (de) * 1992-03-30 1993-10-07 Plica Werkzeugfabrik Ag Mollis Einrichtung zur Drehmomentübertragung
CN2147918Y (zh) * 1992-12-10 1993-12-01 柳州市开关厂职工大学 快换钻攻工夹具
DE4313578A1 (de) * 1993-03-06 1994-09-08 Hilti Ag Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte
DE9305463U1 (de) * 1993-04-10 1993-06-24 Crones & Co GmbH, 8800 Ansbach Werkzeughalterung an Handschlaggeräten, insbesondere Meißelhämmern
DE4340727C2 (de) * 1993-11-30 1996-02-15 Bosch Gmbh Robert Einrichtung an Handwerkzeugmaschinen zur Drehmitnahme von Werkzeugen
DE4340728C1 (de) * 1993-11-30 1995-01-26 Bosch Gmbh Robert Einrichtung an Handwerkzeugmaschinen zur Drehmitnahme von Werkzeugen
DE4341969A1 (de) * 1993-12-09 1995-06-14 Hilti Ag Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte
US5398946A (en) * 1993-12-29 1995-03-21 Poly-Tech Industries Chuck having one-step lock and release

Also Published As

Publication number Publication date
CN1150073A (zh) 1997-05-21
DE59601412D1 (de) 1999-04-15
EP0768151A1 (fr) 1997-04-16
JPH09117809A (ja) 1997-05-06
DK0768151T3 (da) 2000-06-05
US5807040A (en) 1998-09-15
CN1068540C (zh) 2001-07-18
JP4025382B2 (ja) 2007-12-19
DE19537561A1 (de) 1997-04-10

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