WO1997028930A1 - Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb - Google Patents
Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb Download PDFInfo
- Publication number
- WO1997028930A1 WO1997028930A1 PCT/DE1997/000203 DE9700203W WO9728930A1 WO 1997028930 A1 WO1997028930 A1 WO 1997028930A1 DE 9700203 W DE9700203 W DE 9700203W WO 9728930 A1 WO9728930 A1 WO 9728930A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool holder
- tool
- axial
- locking
- rotary driving
- Prior art date
Links
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
- B25D2217/0003—Details of shafts of percussive tool bits
-
- 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
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S279/00—Chucks or sockets
- Y10S279/904—Quick change socket
- Y10S279/905—Quick change socket with ball detent
-
- 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
- Y10T279/17008—Multiple alternative
-
- 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
- Y10T279/17128—Self-grasping
- Y10T279/17136—Yielding grasping jaws
- Y10T279/17145—Ball or roller
-
- 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
- Y10T279/17128—Self-grasping
- Y10T279/17162—Yielding detent
-
- 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
- Y10T279/17717—Rotary eccentric-cam 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
- 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
Definitions
- Tool holder for insert tools on machines with drilling and / or drilling operation
- the invention relates to a tool holder for insert tools on machines with drilling and / or hammering operation according to the preamble of claim 1.
- EP 0 293 327 A1 discloses a combination tool holder for round-shank and grooved-shank tools, which have different rotary drives with the same shank diameter of the tools.
- this tool holder cannot be used for tools with different outer diameters of the shank.
- the aim of the present solution is to further develop a tool holder for insert tools on machines with drilling and / or hammering operation in such a way that the tool holder has both flute shank tools with a smaller diameter in accordance with the known SDS-plus system and flute shank tools with a larger outside diameter, e.g. for medium-heavy use (SDS-midi system).
- the tool holder according to the invention with the characterizing features of the main claim has the advantage that insert tools with two different grooved shank systems with different outside diameters can be inserted into the tool holder and locked axially, without clamping jaws having to be opened and closed by hand.
- the length of both groove shank systems can also differ from one another, the axial guidance on the tool holder for both groove shank systems taking place on the continuous axial receiving bore of the same diameter.
- an additional axial guidance is achieved through the longitudinal grooves in the receiving bore of the tool holder, the bottom of these longitudinal grooves having a diameter that corresponds to the The outside diameter of the longitudinal webs of the tool shaft engaging there corresponds.
- the axial locking of the tool shafts takes place in a known manner automatically by means of locking bodies, in particular by means of a ball in each case, which deflects radially resiliently when the tool shaft is inserted and then springs back into a locking recess on the tool shaft and is thereby automatically locked. The lock is then manually released again to remove the insert tool.
- the continuous axial receiving bore of the tool holder for the rotary entrainment of insert tools with a larger outer diameter of the shank has a plurality of axial grooves which extend into a front, enlarged section, wherein In the area of these axial grooves, the inwardly projecting, axially resiliently releasable or lockable axial strips are provided for driving tools with a smaller outer diameter of the shaft.
- FIG. 1 a to c show a tool holder according to the invention in longitudinal section or cross section according to A and B, FIGS. 2 a to c rotate the same tool holder by 90 °; FIGS. 3a to c and 4a to c show the tool holder of the first exemplary embodiment with the tool inserted.
- FIG. 5a to c and 6a to c show the tool holder of the first exemplary embodiment with the larger shank diameter (SDS-midi) inserted;
- Figure 7a to c shows a further embodiment of a tool holder in longitudinal section or in cross section according to A and B and Figure 8a to c the same tool holder rotated by 90 °.
- FIG. 9 shows, as a further exemplary embodiment, a tool holder according to the invention, which is detachably fastened to the rotary spindle of a rotary hammer.
- the tool holder of an electric hand machine tool is included
- Drilling and / or hammering operation for insert tools such as stone drills and chisels designated by 10.
- the tool holder 10 has a tool receiving spindle 11 with a continuous axial receiving bore 12.
- Tool shafts of insert tools which can have two different outside diameters, are inserted into the receiving bore 12 - as explained in more detail in relation to FIGS. 3 to 6.
- Means are provided in the receiving bore 12 by rotational driving as well as for axial locking, with a plurality of inwardly projecting axial strips 13 being provided for rotational driving and two locking bodies 14, 15 in the form of balls which can be locked in their radial movement being provided for axial locking.
- the tool receiving bore has the profile of the larger groove shank system (SDS-midi), in that six axial grooves 16 are arranged on the circumference of the receiving bore 12, which run out into a front enlarged section 12a of the receiving bore 12.
- Longitudinal webs 17 of an insert tool with a groove shaft 18 according to FIGS. 5 and 6 engage in these axial grooves 16 and have an outer diameter of approximately 14 mm.
- the core diameter of the tool shank 18 between the longitudinal webs 17 speaks with about 10 mm the diameter of the receiving bore 12, which at the same time corresponds to the shaft diameter of the groove shaft 19 of the smaller groove shaft system (SDS-plus) shown in FIGS. 3 and 4.
- the slot shaft 19 of the smaller slot shaft system has, in a known manner, two opposing longitudinal grooves 20 and 90 ° to it, two opposing locking troughs 21 for the locking body 15.
- the slot shaft 18 of the system with a larger outside diameter has axial locking on the two opposing longitudinal bars 17 one axial recess 22 each for the locking body 14.
- the receiving spindle 11 of the tool holder 10 is surrounded by an actuating sleeve 23, which carries a sealing lip ring 24 at the front, which covers the receiving bore 12 of the tool holder 10 to such an extent that it bears on the groove shaft 19 of the smaller shank system still creates.
- the actuating sleeve 23 has a locking ring 25 or 26 at the level of the locking body 14 or 15, the cross section of which in
- FIG. lb or lc is recognizable. Behind the second locking ring 26 there is also a control ring 27 in the actuating sleeve 23, which radially locks two opposing rotary driving jaws 28 or releases its radial locking. The rotary driving jaws 28 are inserted into corresponding radial slots 29 of the pick-up spindle 11 and, for example, by two spring rings 30 spanning them. B. in the form of snap rings in their illustrated position. A cover sleeve 31 is arranged behind the actuating sleeve 23 and is attached to the holding spindle 11.
- a compression spring 32 between the actuating sleeve 23 and the cover sleeve 31, which presses the actuating sleeve 32 into the rest position shown.
- the actuating sleeve 23 can be moved axially backwards, the two locking release rings 25 and 26 release the locking bodies 14 and 15, respectively.
- the actuating sleeve 23 can also be turned counterclockwise against a return spring (not shown in more detail), the control ring 27 - as can be seen in FIG. 6c - then releases the rotary driving jaws 28 so that they move outward into a recess 33 in the control ring 27 according to FIG 3c can dodge.
- the axial strips 13 for the rotary driving of the insert tools are formed in one piece on the inside of the rotary driving jaws 28, so that these rotating driving jaws can be produced as individual parts made of hardened steel, ceramic or another low-wear, heavy-duty material. They can be replaced when worn.
- a tool shank with a small groove shank system (SDS-plus) with a diameter of 10 mm and a tool shank with a larger groove shank system (SDS-midi) with preferably an outer diameter of 14 mm it is provided that the mutually opposite radially after internally directed axial strips 13 are guided in the slots 29 of the tool holder so as to be radially resilient to the outside, the axial strips 13 interacting with the corresponding longitudinal grooves 20 of an insert tool with a smaller groove shaft 19 and with the longitudinal webs 17 of an insert tool with a larger groove shaft 18 for rotational driving.
- the axial receiving bore 12 has the same diameter throughout for guiding the tool shanks 18 and 19 with different outside diameters.
- the axial strips 13 projecting inwards on the two opposite, radially movable rotary driving jaws 28 are held radially for the rotary driving of the insert tool, in which the rotary driving jaws 28 are held in a defined position by spring pressure radially inwards against a stop 34 on both sides between jaws 28 and spindle 11 is held.
- the rotary driving jaws 28 have the curvature of the receiving bore 12 on their inner surface.
- the axial strips 13 of the rotary driving jaws 28 have a front end face 13a running at right angles to the axis of the tool holder 10, the edge of which may be somewhat rounded. This ensures that when a groove shaft 19 with a smaller diameter is inserted, the rotary driving jaws 28 do not deflect radially outward.
- the rotary driving jaws 28 also each have a conically inward bevel 35 on their front end faces.
- the rotary driving jaws 28 each have an outward rounding 36 on their rear end face. Both serve the purpose that when inserting a tool with Larger groove shank 18 whose longitudinal webs 17, after insertion into the axial grooves 16 of the receiving bore 12, first abut the face 35 of the rotary driving jaws 28.
- the rotary driving jaws 28 are pivoted radially outward by the longitudinal webs 17 of the groove shaft 18 over the rounding 26, and then radially with the further insertion of the groove shaft 18 to reach the outer position according to FIGS. 5 and 6.
- the locking bodies 14 and 15 for the axial locking of the two different tool shanks 18 and 19 are axially spaced from one another, where, in order to avoid excessive weakening of the holding spindle 11, in axially offset, opposite cutouts 37 and 38 of the holding spindle 11 are inserted in such a way that they can be radially unlocked by an axial displacement of the actuating sleeve 23 and when a tool shank 18 is inserted or 19 can escape to the outside.
- the actuating sleeve 23 is released, it is pressed back into the starting position by the compression spring 32, and the locking bodies 14 and 15 are each pushed back and fixed into their locking position by their locking rings 25 and 26.
- the rear locking body 15 engages in one of the two locking recesses 21 of the groove shaft 19. If there is a groove shank 18 with a larger outside diameter in the tool holder, the front locking body 14 engages in one of the axial recesses 22 on the longitudinal webs 17 of the groove shank 18. The rear one remains disengaged by remaining behind the locking ring 26 (see FIG. 5a). In both cases, an axial displacement of the tool shaft in the receiving spindle 11 is ensured, so that on the one hand a striker 39 guided in the receiving bore 12 and shown in FIG. 1 can exert the necessary blows on the end face of the insert tool and on the other hand the tool against falling out or knocking out of the tool holder is secured by the locking bodies 14 or 15.
- FIGS. 7 and 8 show a further exemplary embodiment of a tool holder 10a according to the invention for receiving two groove shank systems with different outer diameters, only the locking of the two rotary driving jaws 28 having been changed such that when the groove shanks 18 and 19 with different diameters are inserted in each case the actuating sleeve 23 only has to be pushed axially backwards in order to cancel both the axial locking of both grooved shaft systems and the radial locking of the rotary driving jaws 28.
- a sheet metal ring 40 made of spring steel is clamped behind the locking ring 26 of the actuating sleeve 23
- Area of the rotary driving jaws 28 each has an obliquely inwardly directed spring tongue 41.
- FIG. 9 A further exemplary embodiment of a tool holder according to the invention for insert tools with two different shank diameters is shown in FIG. 9, where the tool holder 10b is removably attached to the spindle neck 52 of the machine at the end of a drilling spindle 50 of a drilling hammer 51.
- the cover sleeve 31a is pulled axially forward with a locking ring 55 against the compression spring 32a, as a result of which the radial locking mechanism releases a plurality of locking balls 53 distributed around the circumference in corresponding openings in the receiving spindle 11a.
- the locking balls can escape radially outward from an annular recess 54 located on the outer circumference of the drilling spindle 50, and the tool holder 10b can be removed from the end of the drilling spindle 50.
- the striker 39 is also axially guided and sealed in the spindle bore of the drilling spindle 50.
- the receiving bore 12 of the receiving spindle 11a with its axial grooves 16 is correspondingly shorter there, since the guide of the striker 39 has been shifted into the drilling spindle 50.
- the shank diameter of the smaller groove shank system representing the core diameter for the groove shank system (SDS-midi) with a larger outside diameter.
- the web height of the longitudinal webs 17 of the larger plug-in system is predetermined by the larger diameter of this groove shaft or plug-in system.
- the core diameter of the larger insert system is equal to the outer diameter of the smaller insert system. If the smaller system is to be used in the same tool holder, this is made possible by guiding the receiving bore 12 between its axial grooves 16 for the large insertion system.
- the large profile is reduced to the small profile by the two radially movable rotary driving jaws 28.
- Rotary driving jaws 28 lie in line with the guide areas of the receiving bore 12 between the axial grooves 16 for the larger profile and interrupt these over part of the length. They have axial strips 13, which each engage in a longitudinal groove 20 of the smaller insertion system. They also have curved surfaces next to the axial strips 13, which bear against the outer diameter of the tool shank 19 of the smaller plug-in system and correspond to the curvature of the receiving bore. The rotary driving jaws 28 thus support the axial guidance of the small insertion system.
- Insertion systems are predetermined by the length of the receiving bore 12 and limited by the maximum shaft length of the already small plug-in system on the market (SDS-plus).
- the radial deflection of the rotary driving jaws 28 allows the two insert systems to be used alternately. No parts need to be replaced or operated manually.
- the rotary driving jaws 28 cannot be moved radially outwards, since the axial strips 13 have vertical end faces 13a and because the height of the axial strips 13 is not greater than the chamfer 43 at the end of the small groove shaft 19. This ensures that when using the small insertion system, the torque transmission is taken over by the axial strips 13.
- the rotary driving jaws 28 are held in their inner position by spring force, and when unlocking by turning the actuating sleeve 23 in the direction of rotation it is ensured that the locking of the rotary driving jaws 28 cannot be released during operation, for example when the tool holder 10 comes into contact with the edge.
- the restoring movement of the rotary driving jaws 28 is forced by the sheet metal ring 40 with the spring tongues 41 and by the spring rings 30 and thus the torque transmission when the small one is subsequently used
- a double elastic sealing lip is provided on the sealing lip ring 24, which tightly encloses the respective groove 18 and 19, respectively.
- the rotary movement of the control ring 27 is limited by a stop 44 in the region of the cutout 38 in the receiving spindle 11.
- the control ring 27 is carried by the actuating sleeve 23 in a form-fitting manner by means of projections 45 or by pressing or gluing. Alternatively, the switchover according to FIGS.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Percussive Tools And Related Accessories (AREA)
- Jigs For Machine Tools (AREA)
- Earth Drilling (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Drilling Tools (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97914114T ATE208689T1 (de) | 1996-02-07 | 1997-02-03 | Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb |
DE59705389T DE59705389D1 (de) | 1996-02-07 | 1997-02-03 | Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb |
US09/117,108 US6092814A (en) | 1996-02-07 | 1997-02-03 | Tool holder for inserted tools in drilling and/or hammering machines |
JP9528041A JP2000504634A (ja) | 1996-02-07 | 1997-02-03 | 作孔駆動装置及び/又は打撃駆動装置を備えた機械の挿入工具用の工具ホルダ |
EP97914114A EP0880426B1 (de) | 1996-02-07 | 1997-02-03 | Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb |
DK97914114T DK0880426T3 (da) | 1996-02-07 | 1997-02-03 | Værktøjsholder til indstiksværktøj for maskiner med bore- og/eller hammerdrev |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19604282A DE19604282A1 (de) | 1996-02-07 | 1996-02-07 | Werkzeughalter mit Aufnahme für verschiedene Werkzeugsysteme |
DE19604282.8 | 1996-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997028930A1 true WO1997028930A1 (de) | 1997-08-14 |
Family
ID=7784663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1997/000203 WO1997028930A1 (de) | 1996-02-07 | 1997-02-03 | Werkzeughalter für einsatzwerkzeuge an maschinen mit bohr- und/oder schlagbetrieb |
Country Status (11)
Country | Link |
---|---|
US (1) | US6092814A (de) |
EP (1) | EP0880426B1 (de) |
JP (1) | JP2000504634A (de) |
KR (1) | KR100486399B1 (de) |
CN (1) | CN1067000C (de) |
AT (1) | ATE208689T1 (de) |
DE (2) | DE19604282A1 (de) |
DK (1) | DK0880426T3 (de) |
ES (1) | ES2168622T3 (de) |
TW (1) | TW323973B (de) |
WO (1) | WO1997028930A1 (de) |
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DE19932369B4 (de) * | 1999-07-13 | 2013-09-26 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Futter für Schraubendrehereinsätze |
DE10005366A1 (de) * | 2000-02-07 | 2001-08-09 | Hilti Ag | Werkzeughalter |
JP2001225282A (ja) * | 2000-02-10 | 2001-08-21 | Hitachi Koki Co Ltd | 衝撃工具の工具保持装置 |
CA2339430A1 (en) * | 2000-03-10 | 2001-09-10 | Black & Decker Inc. | Hammer |
US6688610B2 (en) * | 2000-05-12 | 2004-02-10 | Power Tool Holders Incorporated | Chuck with quick change |
DE10044387A1 (de) * | 2000-09-08 | 2002-04-04 | Bosch Gmbh Robert | Werkzeughalterung für eine Handwerkzeugmaschine |
DE10047021A1 (de) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Handwerkzeugmachine mit einer abnehmbaren Werkzeughalterung |
US6533291B2 (en) | 2001-02-14 | 2003-03-18 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
GB0105547D0 (en) | 2001-03-07 | 2001-04-25 | Black & Decker Inc | Tool holder for a rotary hammer or a chisel hammer |
US6651990B2 (en) * | 2001-08-06 | 2003-11-25 | Ryobi Ltd. | Tool holder |
GB0121947D0 (en) * | 2001-09-12 | 2001-10-31 | Black & Decker Inc | Tool holder for hammer |
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US6834864B2 (en) * | 2001-10-24 | 2004-12-28 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
DE10157831B4 (de) * | 2001-11-24 | 2004-06-24 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem ein Werkzeug aufnehmenden Döpper |
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DE102007048821A1 (de) * | 2007-10-10 | 2009-04-16 | Robert Bosch Gmbh | Werkzeugsystem |
CN101497190B (zh) * | 2008-01-31 | 2012-03-28 | 苏州宝时得电动工具有限公司 | 电动工具 |
JP5290825B2 (ja) * | 2009-03-24 | 2013-09-18 | 株式会社マキタ | 電動ハンマ |
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CN102513978B (zh) * | 2011-12-02 | 2015-01-21 | 浙江海王电器有限公司 | 两用钻头夹具及使用它的电锤钻 |
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CN103846878B (zh) * | 2012-12-07 | 2016-06-22 | 苏州宝时得电动工具有限公司 | 动力工具 |
CN103846879B (zh) * | 2012-12-07 | 2016-03-16 | 苏州宝时得电动工具有限公司 | 动力工具 |
CN103862439B (zh) * | 2012-12-07 | 2016-08-24 | 苏州宝时得电动工具有限公司 | 动力工具 |
DE102012223094A1 (de) * | 2012-12-13 | 2014-06-18 | Hilti Aktiengesellschaft | Werkzeughalter |
US11007631B2 (en) * | 2014-01-15 | 2021-05-18 | Milwaukee Electric Tool Corporation | Bit retention assembly for rotary hammer |
GB201411392D0 (en) * | 2014-06-26 | 2014-08-13 | Black & Decker Inc | A tool holder |
CN105798849B (zh) * | 2014-12-29 | 2020-03-06 | 博世电动工具(中国)有限公司 | 手持式电动工具 |
CN105328645A (zh) * | 2015-10-23 | 2016-02-17 | 江苏恒丰电动工具有限公司 | 电锤用快速夹头 |
DE102015226410A1 (de) * | 2015-12-22 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschine |
DE102016220192A1 (de) * | 2016-10-17 | 2018-04-19 | Robert Bosch Gmbh | Handwerkzeugmaschine |
US11498196B2 (en) * | 2018-02-28 | 2022-11-15 | Milwaukee Electric Tool Corporation | Attachment for powered hammer |
CN215615188U (zh) * | 2018-10-10 | 2022-01-25 | 米沃奇电动工具公司 | 多尺寸工具头保持器 |
US11685032B2 (en) | 2020-07-02 | 2023-06-27 | Milwaukee Electric Tool Corporation | Rotary impact tool having bit holding device |
DE102020213165A1 (de) * | 2020-10-19 | 2022-04-21 | Robert Bosch Gesellschaft mit beschränkter Haftung | Handwerkzeugmaschine mit einer Verriegelungseinrichtung |
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EP0223738A2 (de) * | 1985-11-11 | 1987-05-27 | HILTI Aktiengesellschaft | Werkzeughalter für Bohr- und Meisselwerkzeuge |
EP0293327A2 (de) * | 1987-05-25 | 1988-11-30 | HILTI Aktiengesellschaft | Werkzeughalter für Werkzeuge |
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GB2281244A (en) * | 1993-08-24 | 1995-03-01 | Bosch Gmbh Robert | Hand drill, especially a hammer drill |
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DE4223518A1 (de) * | 1992-07-17 | 1994-01-20 | Hilti Ag | Werkzeug und Werkzeugaufnahme für Handwerkzeuggeräte |
DE4340727C2 (de) * | 1993-11-30 | 1996-02-15 | Bosch Gmbh Robert | Einrichtung an Handwerkzeugmaschinen zur Drehmitnahme von Werkzeugen |
-
1996
- 1996-02-07 DE DE19604282A patent/DE19604282A1/de not_active Withdrawn
-
1997
- 1997-01-21 TW TW086100599A patent/TW323973B/zh active
- 1997-02-03 WO PCT/DE1997/000203 patent/WO1997028930A1/de active IP Right Grant
- 1997-02-03 CN CN97192100A patent/CN1067000C/zh not_active Expired - Fee Related
- 1997-02-03 ES ES97914114T patent/ES2168622T3/es not_active Expired - Lifetime
- 1997-02-03 US US09/117,108 patent/US6092814A/en not_active Expired - Fee Related
- 1997-02-03 DE DE59705389T patent/DE59705389D1/de not_active Expired - Fee Related
- 1997-02-03 DK DK97914114T patent/DK0880426T3/da active
- 1997-02-03 AT AT97914114T patent/ATE208689T1/de not_active IP Right Cessation
- 1997-02-03 EP EP97914114A patent/EP0880426B1/de not_active Expired - Lifetime
- 1997-02-03 JP JP9528041A patent/JP2000504634A/ja not_active Abandoned
- 1997-02-03 KR KR10-1998-0706055A patent/KR100486399B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3310147A1 (de) * | 1983-03-21 | 1984-09-27 | Hilti Ag, Schaan | Bohrfutter fuer schlagbohrbetrieb |
EP0223738A2 (de) * | 1985-11-11 | 1987-05-27 | HILTI Aktiengesellschaft | Werkzeughalter für Bohr- und Meisselwerkzeuge |
EP0293327A2 (de) * | 1987-05-25 | 1988-11-30 | HILTI Aktiengesellschaft | Werkzeughalter für Werkzeuge |
DE4104131A1 (de) * | 1990-05-08 | 1991-11-14 | Bosch Gmbh Robert | Handbohrmaschine |
GB2281244A (en) * | 1993-08-24 | 1995-03-01 | Bosch Gmbh Robert | Hand drill, especially a hammer drill |
DE4340728C1 (de) * | 1993-11-30 | 1995-01-26 | Bosch Gmbh Robert | Einrichtung an Handwerkzeugmaschinen zur Drehmitnahme von Werkzeugen |
Also Published As
Publication number | Publication date |
---|---|
DE59705389D1 (de) | 2001-12-20 |
CN1210484A (zh) | 1999-03-10 |
TW323973B (en) | 1998-01-01 |
EP0880426B1 (de) | 2001-11-14 |
DK0880426T3 (da) | 2002-02-04 |
ES2168622T3 (es) | 2002-06-16 |
ATE208689T1 (de) | 2001-11-15 |
DE19604282A1 (de) | 1997-08-14 |
CN1067000C (zh) | 2001-06-13 |
US6092814A (en) | 2000-07-25 |
KR100486399B1 (ko) | 2005-07-28 |
JP2000504634A (ja) | 2000-04-18 |
EP0880426A1 (de) | 1998-12-02 |
KR19990082325A (ko) | 1999-11-25 |
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