EP0768151B1 - Werkzeughalter - Google Patents
Werkzeughalter Download PDFInfo
- 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
Links
- 230000005540 biological transmission Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
Images
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)
Description
Claims (6)
- Werkzeughalter für ein Werkzeug (1) mit einem, einen kreisrunden Querschnitt aufweisenden Einsteckende, das wenigstens eine axial geschlossene, sich nur teilweise über deren Umfang erstreckende Nut (2) aufweist, wobei in einer Aufnahmehülse (3) wenigstens ein als Zylinder ausgebildetes, der axialen Festlegung des Werkzeuges und der Drehmomentübertragung auf das Werkzeug dienendes Verriegelungselement (4) für die Nut (2) radial verschiebbar gelagert ist, dadurch gekennzeichnet, dass die Rotationsachse des Verriegelungselementes (4) quer und im Abstand zur Hauptachse der Aufnahmehülse (3) angeordnet ist.
- Werkzeughalter nach Anspruch 1, dadurch gekennzeichnet, dass die Rotationsachse des Verriegelungskörpers (4) im wesentlichen senkrecht zur Hauptachse der Aufnahmehülse (3) verläuft.
- Werkzeughalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Länge des Verriegelungskörpers (4) dem 1- bis 3-fachen dessen Durchmessers beträgt.
- Werkzeughalter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Stimenden des Verriegelungselementes (4) kuppenartig ausgebildet sind.
- Werkzeughalter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens zwei Verriegelungselemente (4) vorgesehen sind.
- Werkzeughalter nach Anspruch 5, dadurch gekennzeichnet, dass drei Verriegelungselemente (4) vorgesehen sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19537561A DE19537561A1 (de) | 1995-10-09 | 1995-10-09 | Werkzeughalter |
| DE19537561 | 1995-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0768151A1 EP0768151A1 (de) | 1997-04-16 |
| EP0768151B1 true EP0768151B1 (de) | 1999-03-10 |
Family
ID=7774390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96810422A Expired - Lifetime EP0768151B1 (de) | 1995-10-09 | 1996-06-24 | Werkzeughalter |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5807040A (de) |
| EP (1) | EP0768151B1 (de) |
| JP (1) | JP4025382B2 (de) |
| CN (1) | CN1068540C (de) |
| DE (2) | DE19537561A1 (de) |
| DK (1) | DK0768151T3 (de) |
Families Citing this family (12)
| 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 |
Family Cites Families (20)
| 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 |
| DE4340728C1 (de) * | 1993-11-30 | 1995-01-26 | Bosch Gmbh Robert | Einrichtung an Handwerkzeugmaschinen zur Drehmitnahme von Werkzeugen |
| DE4340727C2 (de) * | 1993-11-30 | 1996-02-15 | 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 |
-
1995
- 1995-10-09 DE DE19537561A patent/DE19537561A1/de not_active Withdrawn
-
1996
- 1996-06-24 EP EP96810422A patent/EP0768151B1/de not_active Expired - Lifetime
- 1996-06-24 DE DE59601412T patent/DE59601412D1/de not_active Expired - Lifetime
- 1996-06-24 DK DK96810422T patent/DK0768151T3/da active
- 1996-10-07 CN CN96113072A patent/CN1068540C/zh not_active Expired - Fee Related
- 1996-10-07 JP JP26568496A patent/JP4025382B2/ja not_active Expired - Fee Related
- 1996-10-08 US US08/729,824 patent/US5807040A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59601412D1 (de) | 1999-04-15 |
| CN1068540C (zh) | 2001-07-18 |
| DK0768151T3 (da) | 2000-06-05 |
| CN1150073A (zh) | 1997-05-21 |
| US5807040A (en) | 1998-09-15 |
| JPH09117809A (ja) | 1997-05-06 |
| JP4025382B2 (ja) | 2007-12-19 |
| DE19537561A1 (de) | 1997-04-10 |
| EP0768151A1 (de) | 1997-04-16 |
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