EP0500489B1 - Werkzeug und Werkzeughalter für Handwerkzeuggeräte - Google Patents
Werkzeug und Werkzeughalter für Handwerkzeuggeräte Download PDFInfo
- Publication number
- EP0500489B1 EP0500489B1 EP92810040A EP92810040A EP0500489B1 EP 0500489 B1 EP0500489 B1 EP 0500489B1 EP 92810040 A EP92810040 A EP 92810040A EP 92810040 A EP92810040 A EP 92810040A EP 0500489 B1 EP0500489 B1 EP 0500489B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- tool shank
- shank
- rotary driving
- rotary
- 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
- 230000001747 exhibiting effect Effects 0.000 claims 3
- 230000003313 weakening effect Effects 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000006073 displacement reaction Methods 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
-
- 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
-
- 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
- Y10T279/17085—Key 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
- 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
- Y10T408/953—Clamping jaws
Definitions
- the invention relates to a tool for handheld power tools, the tool shaft having two diametrically opposite rotary driving grooves which open out towards the end, and wherein the tool shaft has two diametrically opposed, mutually closed recesses and a tool holder for such a tool.
- the novelty according to the invention is that the rotary driving groove with the larger radian measure has a symmetrically arranged depression which extends along the rotating driving groove.
- the invention has for its object to provide a tool and a tool holder, between these two parts sufficiently high torques can be transmitted and on the other hand, no weakening of the tool shank is caused.
- the object is achieved in that the diametrically opposed rotary driving grooves of the tool have a different arc dimension.
- the tools with a dimensioning of rotary driving grooves according to the present invention are also suitable for being used in tool holders of devices of a conventional type.
- a tool according to the invention When a tool according to the invention is inserted into such previously known and very widely used tool holders on the market, only the rotary driver which engages in the rotary driving groove with the smaller arc dimension transmits the torque. This is completely sufficient, since this is a conventional, significantly lower torque on the tool-generating device generation.
- rotary driver grooves have an advantageous effect, in which the larger curve dimension corresponds to 1.5 to 2.5 times the smaller curve dimension.
- the smaller radian measure essentially corresponds to the size of the tools known hitherto, that is to say it is approximately 0.2 to 0.3 times the diameter of the tool shank.
- the minimization of the cross-sectional weakening has a further advantageous effect if the base of the rotary driving groove with the larger arc dimension is arcuate, this arc lying on a radius to the axis of rotation of the tool.
- This adjustment of the groove depth enables the tool according to the invention to be used in conventional tool holders.
- a recess is advantageously provided which corresponds to the depth of the rotary driving groove with a smaller curved dimension and is adapted in length to the two rotary driving grooves. Thanks to this measure, the use of the tool according to the invention in tool holders of conventional devices is also made possible.
- the width at the base of the depression corresponding to the width at the base of the rotary drive is preferably designed with a smaller radian measure.
- the bottom of the depression expediently runs tangentially.
- the rotary drivers preferably have a different arc dimension on a tool holder with strip-shaped rotary drivers and at least one radially displaceable locking body. This also ensures that tools for conventional tool holders cannot be inserted into the tool holder according to the present invention. It is therefore impossible for such tools known up to now and not designed for the transmission of excessively high torques to be damaged by excessive stress.
- a simplified tool holder can be seen in cross section from FIG. 1, with a guide 1, an actuating sleeve 2, a cage 3 and locking bodies 4 in the form of rollers.
- the guide In order to transmit the torque from the tool holder to the tool, the guide has 1 rotary driver 6, 7. These rotary drivers 6, 7 with different radians engage in rotary driver grooves 9, 10 on the tool shank 8.
- the actuating sleeve 2 is displaced, ie either rotated or axially displaced, which leads to the fact that, for reasons of simplification, alternative niches come to lie flush with the locking bodies 4, so that the locking bodies 4 so far can be disengaged from the recesses 11, 12 that the tool shank 8 of the tool is released.
- FIG. 2 and 3 show the tool corresponding to FIG. 1, the tool shank 8 of which has rotary driving grooves 9, 10 and recesses 11, 12 which are closed on both sides.
- the rotary driving groove 9 has a larger radian measure than the rotating driving groove 10.
- FIG. 2 shows how the recesses 11, 12 each have a chamfer 11a, 12a in order to facilitate the entry of the locking bodies 4 into the recesses 11, 12.
- FIGS. 4 and 5 Another tool is shown in FIGS. 4 and 5.
- the tool shaft 13 of this further tool again has rotary driving grooves 14, 15 and recesses 16, 17 which are closed on both sides.
- the rotary driving groove 14 with the larger radian also has a recess 18 symmetrically, the width of which corresponds to the bottom of the width of the rotary driving groove 15 with a smaller radian on the bottom.
- the recesses 16, 17 have a chamfer 16a, 17a for the same purpose.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Jigs For Machine Tools (AREA)
- Drilling Tools (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Milling Processes (AREA)
- Percussive Tools And Related Accessories (AREA)
- Manipulator (AREA)
- Sawing (AREA)
- Gear Transmission (AREA)
- Knives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4105414A DE4105414A1 (de) | 1991-02-21 | 1991-02-21 | Werkzeug und werkzeughalter fuer handwerkzeuggeraete |
DE4105414 | 1991-02-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0500489A2 EP0500489A2 (de) | 1992-08-26 |
EP0500489A3 EP0500489A3 (en) | 1993-04-14 |
EP0500489B1 true EP0500489B1 (de) | 1995-08-23 |
Family
ID=6425565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92810040A Expired - Lifetime EP0500489B1 (de) | 1991-02-21 | 1992-01-22 | Werkzeug und Werkzeughalter für Handwerkzeuggeräte |
Country Status (21)
Country | Link |
---|---|
US (1) | US5174698A (ko) |
EP (1) | EP0500489B1 (ko) |
JP (1) | JP3442796B2 (ko) |
KR (1) | KR0174731B1 (ko) |
CN (1) | CN1027876C (ko) |
AT (1) | ATE126748T1 (ko) |
AU (1) | AU644266B2 (ko) |
CA (1) | CA2061591C (ko) |
CZ (1) | CZ279493B6 (ko) |
DE (2) | DE4105414A1 (ko) |
DK (1) | DK0500489T3 (ko) |
ES (1) | ES2075669T3 (ko) |
FI (1) | FI98607C (ko) |
GR (1) | GR3017341T3 (ko) |
HU (1) | HU209800B (ko) |
MX (1) | MX9200708A (ko) |
NO (1) | NO176701C (ko) |
PL (1) | PL167458B1 (ko) |
SK (1) | SK279415B6 (ko) |
YU (1) | YU13092A (ko) |
ZA (1) | ZA921136B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0563727A1 (de) * | 1992-03-30 | 1993-10-06 | Plica Werkzeugfabrik Ag | Einrichtung zur Drehmomentübertragung |
EP0955131A1 (de) | 1998-05-04 | 1999-11-10 | HILTI Aktiengesellschaft | Werkzeug für Handwerkzeugmaschinen |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE35174E (en) * | 1987-05-20 | 1996-03-12 | Robert Bosch Gmbh | Tool shaft for a tool of the percussive and rotative type |
DE4137120A1 (de) * | 1991-11-12 | 1993-05-13 | Hilti Ag | Werkzeug zum schlagbohren und werkzeugaufnahme fuer schlagbohrende werkzeuge |
DE4141846A1 (de) * | 1991-12-18 | 1993-06-24 | Hilti Ag | Werkzeug zum schlagbohren und meisseln und werkzeugaufnahme fuer diese werkzeuge |
DE4242452A1 (de) * | 1992-07-15 | 1994-01-20 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
DE4223517A1 (de) * | 1992-07-17 | 1994-01-20 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
DE4313578A1 (de) * | 1993-03-06 | 1994-09-08 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
DE4313580A1 (de) * | 1993-04-26 | 1994-10-27 | Hilti Ag | Werkzeugeinspannschaft |
ATE199672T1 (de) * | 1994-01-14 | 2001-03-15 | Bosch Gmbh Robert | Einrichtung an handwerkzeugmaschinen zur drehmitnahme von werkzeugen |
DE4402802C2 (de) * | 1994-01-31 | 2003-01-30 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
DE19507567A1 (de) * | 1995-03-03 | 1996-09-05 | Drebo Werkzeugfab Gmbh | Bohrer |
JPH0911155A (ja) * | 1995-06-23 | 1997-01-14 | Hitachi Koki Co Ltd | 衝撃工具の工具保持装置 |
DE19537561A1 (de) * | 1995-10-09 | 1997-04-10 | Hilti Ag | Werkzeughalter |
AUPP053097A0 (en) * | 1997-11-26 | 1997-12-18 | Ramset Fasteners (Aust.) Pty. Limited | Drill bits and holders therefor |
US6261035B1 (en) | 1998-11-12 | 2001-07-17 | Black & Decker Inc. | Chuck, bit, assembly thereof and methods of mounting |
DE10338640A1 (de) * | 2003-08-22 | 2005-03-17 | Hilti Ag | Einsteckende für ein drehendes und schlagendes Werkzeug |
JP2006007339A (ja) * | 2004-06-23 | 2006-01-12 | Senho Kogyo Kofun Yugenkoshi | チャック |
DE102004054685A1 (de) * | 2004-11-12 | 2006-05-18 | Hilti Ag | Werkzeugaufnahme |
DE102007048821A1 (de) * | 2007-10-10 | 2009-04-16 | Robert Bosch Gmbh | Werkzeugsystem |
SE533660C2 (sv) * | 2009-03-27 | 2010-11-23 | Seco Tools Ab | Skärspets innefattande ett spårförsett skaft och skärverktyg innefattande en sådan skärspets |
US9089955B2 (en) | 2009-06-09 | 2015-07-28 | Baseline Redefined, Llc | Locking mechanism and tool device |
US8430003B1 (en) | 2009-06-09 | 2013-04-30 | Robyn Marie Johnson | High density tool and locking system |
CH701136B1 (de) * | 2009-06-26 | 2013-09-30 | Rego Fix Ag | Spannsystem. |
CN105312635A (zh) * | 2014-08-01 | 2016-02-10 | 王吉会 | 直柄防滑钻头和通用型防滑钻头及其防滑方法 |
SE540445C2 (sv) * | 2016-04-29 | 2018-09-18 | Kapman Ab | Hållare för ett roterande verktyg, exempelvis en hålsåg |
CN111643175B (zh) * | 2020-04-29 | 2021-07-02 | 天衍医疗器材有限公司 | 一种适配不同动力工具的动力接头装置 |
US11878406B2 (en) | 2020-07-22 | 2024-01-23 | Royal Machine Solutions Inc. | Holder for a bit of a tool |
US20220219306A1 (en) * | 2021-01-14 | 2022-07-14 | Milwaukee Electric Tool Corporation | Tool bit |
CA3146554A1 (en) | 2021-02-11 | 2022-08-11 | 9359-0602 Quebec Inc. | Tool part attachment assembly, tool part connector and tool assembly |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2551125C2 (de) * | 1975-11-14 | 1987-04-23 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung an Handwerkzeugmaschinen zur Drehmomentübertragung |
DE2618596C2 (de) * | 1976-04-28 | 1984-05-17 | Robert Bosch Gmbh, 7000 Stuttgart | Werkzeughalter |
DE2650134A1 (de) * | 1976-10-30 | 1978-05-11 | Bosch Gmbh Robert | Werkzeugeinsteckschaft |
DE2811328C2 (de) * | 1978-03-16 | 1986-09-25 | Robert Bosch Gmbh, 7000 Stuttgart | Bohrfutter |
DK333581A (da) * | 1981-07-24 | 1983-01-25 | Duforac Kartro A S | Vaerktoejsskaft isaer til slag eller hammerbor |
DE3413432A1 (de) * | 1983-12-27 | 1985-07-04 | Gebrüder Heller GmbH Werkzeugfabrik, 2807 Achim | Bohrer fuer handbohrmaschinen |
GB8425400D0 (en) * | 1984-10-08 | 1984-11-14 | Dom Holdings Plc | Tool |
DE3539912A1 (de) * | 1985-11-11 | 1987-05-14 | Hilti Ag | Werkzeughalter fuer bohr- und meisselwerkzeuge |
DE3716915A1 (de) * | 1987-05-20 | 1988-12-08 | Bosch Gmbh Robert | Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung |
DE3717614A1 (de) * | 1987-05-25 | 1988-12-15 | Hilti Ag | Werkzeughalter fuer werkzeuge |
DE3824894A1 (de) * | 1988-07-22 | 1990-01-25 | Bosch Gmbh Robert | Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung |
FR2635039B1 (fr) * | 1988-08-05 | 1990-11-02 | Prospection & Inventions | Foret comprenant une queue avec des rainures |
DE3941646A1 (de) * | 1989-12-16 | 1991-06-20 | Heller Werkzeug Gmbh Geb | Werkzeug zum schlagbohren und werkzeugaufnahme fuer schlagbohrende werkzeuge |
DE9013190U1 (de) * | 1990-09-17 | 1992-01-23 | Drebo Werkzeugfabrik GmbH, 7963 Altshausen | Bohrer |
-
1991
- 1991-02-21 DE DE4105414A patent/DE4105414A1/de not_active Withdrawn
-
1992
- 1992-01-22 DK DK92810040.3T patent/DK0500489T3/da active
- 1992-01-22 EP EP92810040A patent/EP0500489B1/de not_active Expired - Lifetime
- 1992-01-22 AT AT92810040T patent/ATE126748T1/de not_active IP Right Cessation
- 1992-01-22 ES ES92810040T patent/ES2075669T3/es not_active Expired - Lifetime
- 1992-01-22 DE DE59203327T patent/DE59203327D1/de not_active Expired - Lifetime
- 1992-02-10 YU YU13092A patent/YU13092A/sh unknown
- 1992-02-17 ZA ZA921136A patent/ZA921136B/xx unknown
- 1992-02-17 AU AU11027/92A patent/AU644266B2/en not_active Expired
- 1992-02-19 JP JP03198592A patent/JP3442796B2/ja not_active Expired - Lifetime
- 1992-02-19 PL PL92293533A patent/PL167458B1/pl unknown
- 1992-02-20 US US07/839,201 patent/US5174698A/en not_active Expired - Lifetime
- 1992-02-20 SK SK495-92A patent/SK279415B6/sk not_active IP Right Cessation
- 1992-02-20 CA CA002061591A patent/CA2061591C/en not_active Expired - Lifetime
- 1992-02-20 KR KR1019920002553A patent/KR0174731B1/ko not_active IP Right Cessation
- 1992-02-20 MX MX9200708A patent/MX9200708A/es unknown
- 1992-02-20 FI FI920729A patent/FI98607C/fi not_active IP Right Cessation
- 1992-02-20 NO NO920683A patent/NO176701C/no not_active IP Right Cessation
- 1992-02-20 CN CN92101101A patent/CN1027876C/zh not_active Expired - Lifetime
- 1992-02-20 HU HU9200551A patent/HU209800B/hu unknown
- 1992-02-20 CZ CS92495A patent/CZ279493B6/cs not_active IP Right Cessation
-
1995
- 1995-09-08 GR GR950401859T patent/GR3017341T3/el unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0563727A1 (de) * | 1992-03-30 | 1993-10-06 | Plica Werkzeugfabrik Ag | Einrichtung zur Drehmomentübertragung |
EP0955131A1 (de) | 1998-05-04 | 1999-11-10 | HILTI Aktiengesellschaft | Werkzeug für Handwerkzeugmaschinen |
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