EP1208950B1 - Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle - Google Patents
Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle Download PDFInfo
- Publication number
- EP1208950B1 EP1208950B1 EP01127299A EP01127299A EP1208950B1 EP 1208950 B1 EP1208950 B1 EP 1208950B1 EP 01127299 A EP01127299 A EP 01127299A EP 01127299 A EP01127299 A EP 01127299A EP 1208950 B1 EP1208950 B1 EP 1208950B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holder
- tool
- working element
- mounting opening
- mounting
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B7/00—Hand knives with reciprocating motor-driven blades
Definitions
- the invention relates to a tool with a holder, the one Has fastening opening for connection to a drive shaft, which can preferably be driven in an oscillating manner, and also a Has receptacle for attaching a working part.
- the invention further relates to a holder and a working part for such a tool.
- Such a tool is known from EP 0 339 357 B1.
- a cutting knife especially for cutting through Joint seals or insulation on glass panes disclosed the detachable on the oscillating by means of a holder drivable drive shaft is attachable.
- the holder points For this purpose, a mounting opening with a corresponding shaped connecting piece of the drive shaft can be positively connected is.
- the cutting part or working part can either be immediate be connected to the holder or via an intermediate piece be attached to it.
- From US-A-5 480 507 is a tool with a holder according to the preamble of claim 1 known for receiving a in the longitudinal direction driven oscillating working part is.
- the working part has a plurality of Holes next to each other, through the screws in corresponding Recordings of the holder can be screwed to the working part securely attached to the holder.
- the invention is based on the object to improve a tool of the type mentioned above in such a way that enables a quick exchange of the tool is, at the same time sufficient stability of the connection between tool and drive should be guaranteed.
- the holding sections of the working part are designed as elongated holes are that towards the mounting opening extend and on the side facing this from the working part emptying outwards is a simple and quick process Replacing the work part on the holder allows. To do this only the securing elements or screws loosened then the working part with its elongated holes can be made pulled out of the holder and inserted a new working part then by tightening the securing elements or -screws are tightened again.
- the invention provides a working part suitable for this 8 and a suitable holder according to claim 9 on.
- the securing elements are designed as screws that in threaded sections can be screwed into the holder.
- the two screws can be attached to a form-fitting bracket to be dispensed with.
- the side protrudes from the Work part possible.
- the securing elements are expedient can be clamped to the holder by the holding sections.
- the holder a base body made of a plastic, which by a Metal core is reinforced, at least in the area the securing elements and / or the fastening opening extends.
- a light weight of the holder is considerable Advantage due to the reduced inertia of the tool, that must be driven by the drive, which is particularly the case with an oscillating drive is important.
- a special Advantage of this design is that the tool from the prime mover is electrically decoupled, whereby the Accident safety is increased.
- the holder can be advantageous and special inexpensive manufactured as a plastic injection molded part his.
- the core can be, for example, a substantially flat plate be formed by one or more protruding Cranks are reinforced, making the stability clear is improved.
- the fastening opening assigned a spring washer, which means a clamping screw can be clamped against the drive shaft.
- the machine tool 10 has, for example, an oscillation drive 12 on which a drive shaft 14 in one to their Longitudinal axis 18 oscillating oscillating motion with a small swivel angle of e.g. 0.5 - 5 ° and higher Frequency of e.g. about 5000 - 30000 vibrations per minute added.
- an oscillation drive 12 on which a drive shaft 14 in one to their Longitudinal axis 18 oscillating oscillating motion with a small swivel angle of e.g. 0.5 - 5 ° and higher Frequency of e.g. about 5000 - 30000 vibrations per minute added.
- oscillation drives are known and are for example for cutting an adhesive bead on a windshield in connection with an appropriately shaped Cutting knife used, provided the windshield is about must be replaced due to a defect. Furthermore have such oscillating driven tools for numerous other works proved to be advantageous, for which the various sawing tools from elongated, circular or part-circular shape, grinding tools of special Form or also cutting tools in the form of special trained cutting knives are known.
- Fig. 1 is such a tool
- the total with the Numeral 20 is designated on the drive shaft 14 by means of a Spring washer 38 and a tension screw passing through it 40 shown, which is screwed into a thread 16 of the drive shaft 14 is.
- the tool 20 consists of a holder 22 and a so connected working part 24, which as an elongated saw blade is formed, on the drive shaft 14 facing away End face formed a toothed straight cutting edge 30 is.
- Such a working part 24 is particularly suitable for production cuts in hard-to-reach places.
- the holder 22 comprises a base part 32, which by means of the clamping washer 38 and the clamping screw 40 at one end on the drive shaft 14 can be fastened and on the other the drive shaft 14 facing away from the working part 24 and by means of a mounting plate 34 and securing elements 36 can be fastened in the form of screws.
- the structure of the base part 32 is shown in more detail in FIGS. 4 to 6 to see.
- the base part 32 has an elongated basic shape on, with an approximately circular arc shaped first end, in the one attachment opening 42, which is for attachment to the Serves drive shaft 14 is formed.
- the base part 32 also has two slightly curved side edges, the other end facing away from the drive shaft 14 via two rounded corner sections converge again.
- this second end as can be seen from Fig. 6, is one Recess 49 provided. Two are related in this area spaced apart tangentially from the fastening opening 42, provided in the corner areas of the base part 32 Threaded inserts 44, 46 arranged, the thread approximately parallel runs to the longitudinal axis 18 of the drive shaft 14.
- These two threaded inserts 44, 46 are two corresponding positioned slots 26, 28 on a mounting portion 25 of the working part 24 according to FIG. 2.
- the working part 24 can thus with its fastening section 25 on the recess 49 of (shown enlarged in Figures 4 to 6 Base part) are placed so that after placing one accordingly shaped mounting plate 34 as shown in FIG. 8 whose holes 56, 60 through and through the elongated holes 26, 28th of the working part 24 through two clamping elements 36 in the form of Screws can be screwed into the threaded inserts 44, 46 so the working part 24 firmly on the base part 32 of the holder 22 tense.
- FIG. 3 is just another example of a working part 24 ', which is also an elongated one Saw blade is a rectangular basic shape has and a toothed at its outer end Cutting edge 30 'is provided. On its holder 22 facing The end is again two correspondingly shaped holding sections 26, 28 provided in the form of elongated holes.
- shaped work parts also work parts of any other shape and type can be attached to the holder 22, provided that they are only with one suitable mounting section and two appropriately trained Holding sections are provided.
- the working parts are designed as cutting knives, one have crescent-shaped curvature or even with straight, Cut edges tapering towards the center his.
- Any other shape is also conceivable.
- the toothing can be, for example, abrasive grains or with Carbide or diamond-tipped blades can be provided.
- the base part 32 as can be seen in more detail in FIG. 6, from a base body 48 made of plastic, which is formed by a core 50 made of metal, preferably steel, is reinforced.
- the core 50 is designed as a plate which is essentially over extends the entire area of the base part 32, on one of which A punched-out end 51 in the area of the fastening opening 42 is provided, and at the other end of the two threaded inserts 44, 46 (not shown in FIG. 5) riveted, are welded or molded in one piece.
- the core 50 has a crank 53 which protrudes upwards and a hole 55 is formed in the middle thereof.
- the core 50 can be simple Be produced as a stamped part on which the offset 53 in a suitable press is generated and then the threaded inserts 44, 46 are welded.
- the base part 32 can after inserting the core 50 into a suitable shape Injection molding.
- the crank 53 carries in considerable degree of torsional rigidity.
- Base part 32 At its end facing the drive shaft 14 it has Base part 32 on the side of the drive shaft 14 a light recessed receiving surface 52 for contact with the drive shaft 14 and on the opposite side a recess 54 for Receiving the spring washer 38.
- suitable recess 64 for receiving the clamping screw 40 provided, which is about a thumbscrew can, which on its peripheral surface with a suitable corrugation is provided or act, for example, an Allen screw can.
- a drive shaft could be polygonal and that the punched 51 of the Core 50 could have an adapted shape so that if the punch 51 up to the inner surface of the mounting opening 42 reaches, a positive connection between the cutout 51 and the drive shaft 14 could be achieved.
- the shape of the mounting plate 34 which is closer from Fig. 8 can be seen, the shape of the recess 49 of the Base part 32 adapted.
- the holes 56, 58 for performing the Tensioning elements 36 or screws are provided with countersinks 58, 62 provided so that the screws are centered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Clamps And Clips (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Sawing (AREA)
- Connection Of Plates (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Gripping On Spindles (AREA)
- Jigs For Machine Tools (AREA)
- Milling Processes (AREA)
Description
- Fig. 1
- eine Seitenansicht eines erfindungsgemäßen Werkzeugs, das an nur einer rein schematisch dargestellten Werkzeugmaschine befestigt ist;
- Fig. 2
- eine Aufsicht des Arbeitsteils des Werkzeugs gemäß Fig. 1;
- Fig. 3
- eine Aufsicht eines leicht gegenüber der Ausführung gemäß Fig. 2 abgewandelten Arbeitsteils;
- Fig. 4
- eine Aufsicht eines Basisteils des Halters für das Werkzeug gemäß Fig. 1;
- Fig. 5
- eine Ansicht eines metallischen Kerns, der in dem Basisteil gemäß Fig. 4 aufgenommen ist;
- Fig. 6
- einen Schnitt durch das Basisteil gemäß Fig. 4 längs der Linie VI-VI;
- Fig. 7
- einen Schnitt durch eine Spannscheibe, die auf dem Halter aufsetzbar ist, um diesen mit Hilfe einer Spannschraube an der Antriebswelle der Werkzeugmaschine zu befestigen und
- Fig. 8
- eine Aufsicht auf eine Befestigungsplatte, die zur Befestigung des Arbeitsteils am Basisteil dient.
Claims (9)
- Werkzeug mit einem Halter (22), der eine Befestigungsöffnung (42) zur Verbindung mit einer Antriebswelle (14), die vorzugsweise oszillierend antreibbar ist, sowie eine Aufnahme zur Befestigung eines Arbeitsteils (24, 24') aufweist, wobei das Arbeitsteil (24, 24') mindestens zwei voneinander beabstandete Halteabschnitte (26, 28) aufweist, und wobei eine Befestigungsplatte (34) vorgesehen ist, an der lösbare, mit den Halteabschnitten (26, 28) zusammenwirkende Sicherungselemente (36) angreifen, mittels derer das Arbeitsteil (24, 24') gegen den Halter (22) verspannbar ist, dadurch gekennzeichnet, daß die Halteabschnitte (26, 28) als Langlöcher ausgebildet sind, die sich in Richtung zur Befestigungsöffnung (42) hin erstrecken und auf der dieser zugewandten Seite aus dem Arbeitsteil (24, 24') nach außen ausmünden.
- Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß die Sicherungselemente (36) als Schrauben ausgebildet sind, die in Gewindeabschnitte (44, 46) am Halter einschraubbar sind.
- Werkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Sicherungselemente (36) durch die Halteabschnitte (26, 28) mit dem Halter (22) verspannbar sind.
- Werkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Halter (22) einen Grundkörper (48) aus einem Kunststoff aufweist, der durch einen Kern (50) aus Metall verstärkt ist, der sich zumindest im Bereich der Sicherungselemente (36) oder der Befestigungsöffnung (42) erstreckt.
- Werkzeug nach Anspruch 4, dadurch gekennzeichnet, daß der Kern (50) als im wesentlichen ebene Platte ausgebildet ist, die durch zumindest eine hervorstehende Kröpfung (53) verstärkt ist.
- Werkzeug nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß der Halter (22) als Kunststoffspritzgußteil ausgebildet ist.
- Werkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Befestigungsöffnung (42) eine Spannscheibe (38) zugeordnet ist, die mittels einer Spannschraube (40) gegen die Antriebswelle (14) verspannbar ist.
- Arbeitsteil für ein Werkzeug (20) nach einem der vorhergehenden Ansprüche, bei dem die Halteabschnitte (26, 28) als Langlöcher ausgebildet sind, die sich in Richtung zur Befestigungsöffnung (42) hin erstrecken und auf der dieser zugewandten Seite aus dem Arbeitsteil (24, 24') nach außen ausmünden.
- Halter für ein Werkzeug (20) nach einem der Ansprüche 1 bis 7, der zur Befestigung eines Arbeitsteils (24, 24') ausgebildet ist, das mindestens zwei voneinander beabstandete als Langlöcher ausgebildete Halteabschnitte (26, 28) aufweist, die sich in Richtung zur Befestigungsöffnung (42) hin erstrecken und auf der dieser zugewandten Seite aus dem Arbeitsteil (24, 24') nach außen ausmünden, wobei der Halter (22) Aufnahmen (44, 46) für Sicherungselemente (36) aufweist, mittels derer das Arbeitsteil (24, 24') gegen den Halter (22) verspannbar ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10058894 | 2000-11-23 | ||
| DE10058894A DE10058894A1 (de) | 2000-11-23 | 2000-11-23 | Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1208950A1 EP1208950A1 (de) | 2002-05-29 |
| EP1208950B1 true EP1208950B1 (de) | 2004-04-21 |
Family
ID=7664870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01127299A Expired - Lifetime EP1208950B1 (de) | 2000-11-23 | 2001-11-17 | Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6865813B2 (de) |
| EP (1) | EP1208950B1 (de) |
| JP (1) | JP3639247B2 (de) |
| CN (1) | CN1321783C (de) |
| AT (1) | ATE264731T1 (de) |
| DE (2) | DE10058894A1 (de) |
| ES (1) | ES2217076T3 (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164081B4 (de) * | 2001-12-19 | 2012-01-26 | C. & E. Fein Gmbh | Oszillationswerkzeug mit Ausgleichsabschnitt |
| DE10256015B4 (de) * | 2002-11-30 | 2005-04-14 | Gaplast Gmbh | Verfahren zur Herstellung eines Behälters mit wenigstens einer Druckausgleichsöffnung |
| DE20305402U1 (de) * | 2003-03-31 | 2003-05-28 | C. & E. Fein GmbH & Co KG, 70176 Stuttgart | Schleifwerkzeug zum Schärfen von Werkzeugen |
| DE20308797U1 (de) * | 2003-05-28 | 2003-08-28 | C. & E. Fein GmbH & Co KG, 70176 Stuttgart | Säge mit einer drehoszillierenden Antriebsbewegung und Sägeblatt hierfür |
| US8418369B1 (en) * | 2003-10-07 | 2013-04-16 | Kim Laube | Clipper lever support insert |
| DE102004050799A1 (de) * | 2004-10-19 | 2006-04-20 | Robert Bosch Gmbh | Wendeschneidblatt mit zumindest zwei Schneiden sowie Schneidblatthalterung |
| EP2214615A4 (de) | 2007-11-13 | 2012-04-25 | Orthopediatrics Corp | Gipsentfernungssystem |
| US8920424B2 (en) * | 2008-06-11 | 2014-12-30 | Medtronic Ps Medical, Inc. | Micro-saw blade for bone-cutting surgical saws |
| US20100186235A1 (en) * | 2009-01-26 | 2010-07-29 | Eric Davis Schwartz | Portable battery operated pipe cutter |
| WO2010099762A1 (zh) * | 2009-03-06 | 2010-09-10 | 苏州宝时得电动工具有限公司 | 剪切刀具 |
| US9186770B2 (en) | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
| US8925931B2 (en) | 2010-04-29 | 2015-01-06 | Black & Decker Inc. | Oscillating tool |
| US9073195B2 (en) | 2010-04-29 | 2015-07-07 | Black & Decker Inc. | Universal accessory for oscillating power tool |
| USD646540S1 (en) | 2010-06-16 | 2011-10-11 | Robert Bosch Gmbh | Accessory tool adapter |
| US8616562B2 (en) | 2010-06-16 | 2013-12-31 | Robert Bosch Gmbh | Adapter for coupling an accessory tool to a drive member of a power tool |
| USD646539S1 (en) | 2010-06-16 | 2011-10-11 | Robert Bosch Gmbh | Accessory tool adapter |
| US9149923B2 (en) | 2010-11-09 | 2015-10-06 | Black & Decker Inc. | Oscillating tools and accessories |
| DE102011077622A1 (de) * | 2011-06-16 | 2012-12-20 | Robert Bosch Gmbh | Werkzeugmaschinenvorrichtung |
| WO2013044844A1 (zh) * | 2011-09-29 | 2013-04-04 | 苏州宝时得电动工具有限公司 | 多功能机 |
| US8858559B2 (en) | 2012-02-06 | 2014-10-14 | Medtronic Ps Medical, Inc. | Saw blade stability and collet system mechanism |
| US8936597B2 (en) | 2012-02-06 | 2015-01-20 | Medtronic Ps Medical, Inc. | Deflectable finger connection feature on surgical saw blade |
| EP2639021A1 (de) * | 2012-03-13 | 2013-09-18 | Sika Technology AG | Schwingschneider-Klingeneinheit, Schwingschneider und Verfahren zum Ausglasen eines Fenster- oder Türflügels |
| USD832666S1 (en) | 2012-07-16 | 2018-11-06 | Black & Decker Inc. | Oscillating saw blade |
| US9555554B2 (en) | 2013-05-06 | 2017-01-31 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
| US9527146B2 (en) | 2013-10-04 | 2016-12-27 | Toronto Saw Works Inc. | Oscillating saw blades |
| WO2016132320A1 (en) * | 2015-02-19 | 2016-08-25 | Toronto Saw Works Inc. | Saw blades with non-straight joints |
| EP3572013B1 (de) * | 2015-02-19 | 2025-03-19 | Stryker Corporation | Chirurgische säge und komplementäres sägeblatt mit sperrzähnen aus sich nachgiebig verhaltendem material beim befestigen des sägeblatts an der säge |
| USD814900S1 (en) | 2017-01-16 | 2018-04-10 | Black & Decker Inc. | Blade for oscillating power tools |
| US10265778B2 (en) | 2017-01-16 | 2019-04-23 | Black & Decker Inc. | Accessories for oscillating power tools |
| US10906108B2 (en) * | 2018-04-24 | 2021-02-02 | Robert Bosch Tool Corporation | Blade accessory with guide |
| CN109623911A (zh) * | 2019-02-15 | 2019-04-16 | 陈绪涛 | 一种用于塑料板材的高效自动化切割成型装置 |
| USD931069S1 (en) | 2019-05-03 | 2021-09-21 | Tti (Macao Commercial Offshore) Limited | Blade |
| WO2022108785A1 (en) | 2020-11-18 | 2022-05-27 | Milwaukee Electric Tool Corporation | Accessory for an oscillating power tool |
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| US3740847A (en) * | 1971-02-04 | 1973-06-26 | W Kliever | Power driven meat trimming and cutting knife |
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| SE402415B (sv) * | 1977-04-25 | 1978-07-03 | Farden Arne Sigvard Brynolf | Berbar anordning med avskalningsdon, som er forsett med ett skivformigt skerstalblad |
| CH620853A5 (de) * | 1977-12-09 | 1980-12-31 | Arnegger Richard E | |
| US4333231A (en) * | 1979-01-29 | 1982-06-08 | Yeargin Homer E | Wire release tool |
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| US4294013A (en) * | 1980-02-25 | 1981-10-13 | Widder Corporation | Portable hacksaw |
| US4490885A (en) * | 1981-10-08 | 1985-01-01 | Metro Iskiw | Fish scaler |
| CH654196A5 (de) * | 1981-10-13 | 1986-02-14 | Richard Arnegger | Saegeblatt einer oszillationssaege. |
| DE8325025U1 (de) | 1983-08-31 | 1983-12-22 | C. & E. Fein Gmbh & Co, 7000 Stuttgart | Schneidwerkzeug |
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| DE3814554A1 (de) * | 1988-04-29 | 1989-11-09 | Fein C & E | Schneidmesser |
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| CN2067211U (zh) * | 1990-05-09 | 1990-12-12 | 王明晨 | 手持电动剔切刀 |
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| US6453563B1 (en) * | 2001-01-05 | 2002-09-24 | Hyde Manufacturing Company, Inc. | Hand tool handle |
-
2000
- 2000-11-23 DE DE10058894A patent/DE10058894A1/de not_active Withdrawn
-
2001
- 2001-11-17 ES ES01127299T patent/ES2217076T3/es not_active Expired - Lifetime
- 2001-11-17 AT AT01127299T patent/ATE264731T1/de active
- 2001-11-17 EP EP01127299A patent/EP1208950B1/de not_active Expired - Lifetime
- 2001-11-17 DE DE50102043T patent/DE50102043D1/de not_active Expired - Lifetime
- 2001-11-19 JP JP2001353469A patent/JP3639247B2/ja not_active Expired - Fee Related
- 2001-11-21 US US09/988,956 patent/US6865813B2/en not_active Expired - Fee Related
- 2001-11-23 CN CNB011394196A patent/CN1321783C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE10058894A1 (de) | 2002-06-06 |
| JP2002172522A (ja) | 2002-06-18 |
| CN1321783C (zh) | 2007-06-20 |
| ATE264731T1 (de) | 2004-05-15 |
| CN1356200A (zh) | 2002-07-03 |
| DE50102043D1 (de) | 2004-05-27 |
| US20020069727A1 (en) | 2002-06-13 |
| ES2217076T3 (es) | 2004-11-01 |
| US6865813B2 (en) | 2005-03-15 |
| JP3639247B2 (ja) | 2005-04-20 |
| EP1208950A1 (de) | 2002-05-29 |
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