EP0432169A1 - Einrichtung an handwerkzeugmaschinen zur drehmomentübertragung. - Google Patents
Einrichtung an handwerkzeugmaschinen zur drehmomentübertragung.Info
- Publication number
- EP0432169A1 EP0432169A1 EP19890908381 EP89908381A EP0432169A1 EP 0432169 A1 EP0432169 A1 EP 0432169A1 EP 19890908381 EP19890908381 EP 19890908381 EP 89908381 A EP89908381 A EP 89908381A EP 0432169 A1 EP0432169 A1 EP 0432169A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- driving grooves
- longitudinal plane
- rotary driving
- grooves
- plane
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 7
- 238000005553 drilling Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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
- B25D17/08—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
- 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
- Y10T279/17666—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
- 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
Definitions
- Device on hand-held power tools for torque transmission to impact-drilling tools with two axially closed on both sides, diametrically opposite recesses, which interact with locking bodies, at least three open-ended rotary drive grooves for strip-shaped rotary drivers on both sides of a longitudinal plane running through the two recesses, which open out at the rear end of the tool shaft. which are arranged so distributed over the circumference that in no case two rotary driving grooves are diametrically opposed to each other.
- a facility of the type in question is from the
- the tool provided for this device has recesses which are closed on both sides and are diametrically opposite one another, with rotary driving grooves which open out towards the rear end of the tool shaft being provided on both sides of a longitudinal plane running through these recesses.
- the rotary driving grooves are of this type
- Chipless forming is inconceivable due to the uneven volume to be formed without a subsequent, extremely complex straightening process.
- the invention is based on the object of designing a device on hand-held power tools for torque transmission in such a way that its parts can be produced economically, in particular by means of non-cutting forming processes.
- this object is achieved in that the sum of the cross sections of the rotary driving grooves arranged on one side of the longitudinal plane essentially corresponds to the sum of the rotating driving grooves arranged on the other side of the longitudinal plane, and on each side of the longitudinal plane the rotating driving grooves are symmetrical to a perpendicular to the longitudinal plane Plane of symmetry are arranged and formed.
- the number of rotary driving grooves on one side of the longitudinal plane is preferably greater than the number of rotating driving grooves on the other side, which has the advantage that the arrangement of the rotary driving grooves on both sides of the longitudinal plane differs sufficiently, above all visually, from one another. This makes it easier for the operator of a hand-held power tool equipped in this way to insert tools.
- all the rotary driving grooves are expediently of the same length, irrelevant is a length adjustment with respect to the recesses, provided that these are also of equal length to one another.
- a proven embodiment can be achieved in that the rotary driving grooves project slightly beyond the length of the rear end of the recesses.
- the central web through which the plane of symmetry passes through between two adjacent rotary driving grooves, has an angle of between 0 ° and 15 ° to the plane of symmetry.
- This avoids an undercut, which would have an adverse effect both in terms of strength and from the point of view of the forming.
- the tool for the device according to the invention on hand tools for torque transmission is preferably designed in such a way that the tool shaft has two axially closed, diametrically opposite recesses and with at least three open ends at the rear end of the tool shaft on both sides of a longitudinal plane running through the two recesses arranged rotational driving grooves is provided, which are distributed over the circumference in such a way that in none
- Fi ⁇ . 1 shows a tool holder arranged on a hammer drill with an inserted tool, in longitudinal section along the line I-I of FIG. 2;
- Fig. 2 shows a cross section through the tool holder shown in Fig. 1, along the line
- Fig. 4 shows a cross section through the tool shank shown in Fig. 3, along the line
- FIG. 5 shows a further tool shank of a tool with four rotary grooves.
- Fig. 6 shows a cross section through the tool shank shown in Fig. 5, along the line
- Fig. 8 shows a cross section through the tool shank shown in Fig. 7, along the line
- the tool holder shown in FIGS. 1 and 2 is arranged on a drilling device, for example on a rotary hammer, with a housing 1.
- a guide tube 2 is via a bearing 3 in Ge housing 1 rotatably mounted.
- a sealing ring 4 sliding on the guide tube 2 prevents dirt from penetrating into the bearing 3 on the one hand and lubricant from the housing 1 on the other hand.
- a striker 5 is axially displaceably mounted in the guide tube 2.
- a tool shaft 6 of a drilling tool is inserted into the free end 2a of the guide tube 2.
- the tool shank 6 has two diametrically opposite recesses 6a which are axially closed on both sides, and rotational driving grooves 6c, 6d which are arranged offset with respect to these and open towards the rear end 6b. There is a central web 6e between the two rotary driving grooves 6d.
- the guide tube 2 is provided with through openings 2b, into which roller-shaped locking elements 7 are inserted.
- the guide tube 2 also has rotary drivers 2c, 2d which engage in the rotary driving grooves 6c, 6d and serve to transmit the torque from the guide tube 2 to the tool shank 6.
- an adjusting sleeve 8 can be displaced axially to a limited extent against the force of a compression spring 9 guided in an extension la of the housing 1.
- the adjusting sleeve 8 has a circumferential escape niche 8a for the locking body 7. When the steep sleeve 8 is pulled back, the escape niche 8a reaches the area of the passage openings 2b and the locking bodies 7 can move radially into the escape niche 8a, whereupon the tool shaft 6 can be pulled out of the guide tube 2.
- the adjusting sleeve 8 is secured in the feed direction by means of a locking ring 10.
- FIGS. 3 and 4 show a tool shank 16 which is somewhat enlarged compared to FIGS. 1 and 2, with axially closed recesses 16a and rotational driving grooves 16c, 16d open towards the rear end 16b. 4 shows, the two recesses 16a are diametrically opposite one another.
- the recesses 16a are thus arranged symmetrically with respect to the plane of symmetry Y running through the longitudinal axis. The same also applies to the arrangement and design of the rotary driving grooves 16c, 16d.
- the central web 16e remaining between the two rotary driving grooves 16d has an angle A between 0 ° and 15 ° with respect to the plane of symmetry Y.
- the tool shank 26 shown in FIGS. 5 and 6 differs from that shown in FIGS. 3 and 4
- FIG. 7 and 8 show a fourth embodiment of a tool shaft 36.
- This tool shaft 36 has two diametrically opposite recesses 36a.
- the total number of rotary driving grooves 36c, 36d open towards the rear end 36b is five.
- the sum of the cross sections of the rotary driving grooves 36c, 36d, 36f is the same on both sides of the longitudinal plane X.
- the angle B of the central web 36e remaining between the rotary driving grooves 36c with respect to the plane of symmetry Y is, for example, approximately 5 °.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
- Drilling And Boring (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT89908381T ATE96073T1 (de) | 1988-07-22 | 1989-07-19 | Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3824894A DE3824894A1 (de) | 1988-07-22 | 1988-07-22 | Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung |
| DE3824894 | 1988-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0432169A1 true EP0432169A1 (de) | 1991-06-19 |
| EP0432169B1 EP0432169B1 (de) | 1993-10-20 |
Family
ID=6359294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89908381A Expired - Lifetime EP0432169B1 (de) | 1988-07-22 | 1989-07-19 | Einrichtung an handwerkzeugmaschinen zur drehmomentübertragung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5076371A (de) |
| EP (1) | EP0432169B1 (de) |
| JP (1) | JP2736144B2 (de) |
| KR (1) | KR0148797B1 (de) |
| CN (1) | CN1015786B (de) |
| DE (2) | DE3824894A1 (de) |
| DK (1) | DK171211B1 (de) |
| WO (1) | WO1990000957A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070757C (zh) * | 1993-12-09 | 2001-09-12 | 希尔蒂股份公司 | 用于手持工具器械的工具和工具夹具 |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3941646A1 (de) * | 1989-12-16 | 1991-06-20 | Heller Werkzeug Gmbh Geb | Werkzeug zum schlagbohren und werkzeugaufnahme fuer schlagbohrende werkzeuge |
| DE4105414A1 (de) * | 1991-02-21 | 1992-08-27 | Hilti Ag | Werkzeug und werkzeughalter fuer handwerkzeuggeraete |
| DE4132023A1 (de) * | 1991-09-26 | 1993-04-01 | Bosch Gmbh Robert | Einrichtung an handwerkzeugmaschinen |
| 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 |
| DE4200643A1 (de) * | 1992-01-13 | 1993-07-15 | 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 |
| DE4313580A1 (de) * | 1993-04-26 | 1994-10-27 | Hilti Ag | Werkzeugeinspannschaft |
| DE4341970A1 (de) * | 1993-12-09 | 1995-06-14 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
| US6089798A (en) * | 1994-01-14 | 2000-07-18 | Robert Bosch Gmbh | Device for coupling a tool to a hand-held tool-driving device |
| DE4402802C2 (de) * | 1994-01-31 | 2003-01-30 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
| DE4405697A1 (de) * | 1994-02-18 | 1995-08-24 | Black & Decker Inc | Werkzeugaufnahme für einen Bohr- und/oder Meißelhammer |
| DE19537561A1 (de) * | 1995-10-09 | 1997-04-10 | Hilti Ag | Werkzeughalter |
| BR9610916A (pt) * | 1995-10-12 | 1999-09-28 | Bosch Gmbh Robert | Ferramenta de inserção e porta-ferramenta para máquinas elétricas com funcionamento de perfuração e/ou impacto |
| DE10001193B4 (de) * | 2000-01-14 | 2005-10-20 | Bosch Gmbh Robert | Handwerkzeugmaschine mit einer Werkzeughalterung zur Festlegung des Werkzeugs in Drehrichtung |
| US6688610B2 (en) | 2000-05-12 | 2004-02-10 | Power Tool Holders Incorporated | Chuck with quick change |
| US6533291B2 (en) | 2001-02-14 | 2003-03-18 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
| CN1329164C (zh) * | 2001-09-17 | 2007-08-01 | 密尔沃基电动工具公司 | 旋转锤 |
| US6834864B2 (en) | 2001-10-24 | 2004-12-28 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
| GB2393931A (en) * | 2002-10-10 | 2004-04-14 | Black & Decker Inc | Tool for a rotary hammer |
| DE10357380A1 (de) * | 2003-12-05 | 2005-06-30 | Hilti Ag | Einsteckende für ein drehendes und/oder schlagendes Werkzeug |
| DE102004026850A1 (de) * | 2004-06-02 | 2005-12-29 | Hilti Ag | Einsteckende für ein drehendes und/oder schlagendes Werkzeug |
| US20050285355A1 (en) * | 2004-06-24 | 2005-12-29 | Yuan-Ho Lin | Quick removable chuck assembly and its cutting tool |
| DE102004054685A1 (de) * | 2004-11-12 | 2006-05-18 | Hilti Ag | Werkzeugaufnahme |
| DE102006036955A1 (de) * | 2006-08-08 | 2008-02-14 | Robert Bosch Gmbh | Werkzeugaufnahme |
| DE102007036312A1 (de) | 2007-07-31 | 2009-02-05 | Robert Bosch Gmbh | Schnellwechsel-Werkzeugfuttermodul für eine Handwerkzeugmaschine, insbesondere einen Bohrhammer |
| CN102665980A (zh) * | 2010-02-15 | 2012-09-12 | 株式会社宫永 | 旋转工具的装卸装置和该旋转工具 |
| DE102010002167A1 (de) * | 2010-02-22 | 2011-08-25 | Hilti Aktiengesellschaft | Herstellungsverfahren für ein Einsteckende |
| CN102744731B (zh) * | 2012-07-19 | 2014-07-02 | 北京理工大学 | 一体化旋转关节 |
| US9970591B2 (en) * | 2012-09-26 | 2018-05-15 | Music Express, Llc | Quick release connector |
| EP3925735A1 (de) * | 2020-06-17 | 2021-12-22 | Hilti Aktiengesellschaft | Werkzeug und system |
| EP4175788A4 (de) | 2020-07-02 | 2024-11-13 | Milwaukee Electric Tool Corporation | Drehschlagwerkzeug mit meisselhalter |
| US20220219306A1 (en) * | 2021-01-14 | 2022-07-14 | Milwaukee Electric Tool Corporation | Tool bit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2405938C3 (de) * | 1974-02-08 | 1980-07-10 | Impex-Essen Vertrieb Von Werkzeugen Gmbh, 8800 Ansbach | Werkzeughalterung für Handschlaggeräte, insbesondere Elektro-Bohrhämmer |
| NL175040C (nl) * | 1974-08-19 | 1984-09-17 | Durofac Kartro As | Booropneeminrichting voor een klopboormachine. |
| DE7536182U (de) * | 1975-11-14 | 1978-02-02 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur drehmomentuebertragung |
| DE2618596C2 (de) * | 1976-04-28 | 1984-05-17 | Robert Bosch Gmbh, 7000 Stuttgart | Werkzeughalter |
| DE3205063C2 (de) * | 1981-04-03 | 1986-10-09 | Robert Bosch Gmbh, 7000 Stuttgart | Werkzeughalter |
| DK333581A (da) * | 1981-07-24 | 1983-01-25 | Duforac Kartro A S | Vaerktoejsskaft isaer til slag eller hammerbor |
| DE3716915A1 (de) * | 1987-05-20 | 1988-12-08 | Bosch Gmbh Robert | Einrichtung an handwerkzeugmaschinen zur drehmomentuebertragung |
| JP6047079B2 (ja) | 2013-08-30 | 2016-12-21 | 富士フイルム株式会社 | イオン交換膜、イオン交換膜形成用組成物およびイオン交換膜の製造方法 |
-
1988
- 1988-07-22 DE DE3824894A patent/DE3824894A1/de not_active Withdrawn
-
1989
- 1989-07-19 JP JP1507701A patent/JP2736144B2/ja not_active Expired - Lifetime
- 1989-07-19 WO PCT/DE1989/000480 patent/WO1990000957A1/de not_active Ceased
- 1989-07-19 DE DE89908381T patent/DE58905983D1/de not_active Expired - Lifetime
- 1989-07-19 EP EP89908381A patent/EP0432169B1/de not_active Expired - Lifetime
- 1989-07-19 KR KR1019900700596A patent/KR0148797B1/ko not_active Expired - Lifetime
- 1989-07-19 US US07/646,744 patent/US5076371A/en not_active Expired - Lifetime
- 1989-07-22 CN CN89107324A patent/CN1015786B/zh not_active Expired
-
1990
- 1990-03-21 DK DK073390A patent/DK171211B1/da not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9000957A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070757C (zh) * | 1993-12-09 | 2001-09-12 | 希尔蒂股份公司 | 用于手持工具器械的工具和工具夹具 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR0148797B1 (ko) | 1998-10-15 |
| US5076371A (en) | 1991-12-31 |
| EP0432169B1 (de) | 1993-10-20 |
| CN1015786B (zh) | 1992-03-11 |
| DK73390A (da) | 1990-03-31 |
| DK73390D0 (da) | 1990-03-21 |
| WO1990000957A1 (de) | 1990-02-08 |
| DE58905983D1 (de) | 1993-11-25 |
| KR900701478A (ko) | 1990-12-03 |
| CN1040847A (zh) | 1990-03-28 |
| DK171211B1 (da) | 1996-07-29 |
| JPH03505996A (ja) | 1991-12-26 |
| JP2736144B2 (ja) | 1998-04-02 |
| DE3824894A1 (de) | 1990-01-25 |
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Legal Events
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