EP0962283A1 - Kraftgetriebenes Handwerkzeug - Google Patents
Kraftgetriebenes Handwerkzeug Download PDFInfo
- Publication number
- EP0962283A1 EP0962283A1 EP99106257A EP99106257A EP0962283A1 EP 0962283 A1 EP0962283 A1 EP 0962283A1 EP 99106257 A EP99106257 A EP 99106257A EP 99106257 A EP99106257 A EP 99106257A EP 0962283 A1 EP0962283 A1 EP 0962283A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- work spindle
- mounting flange
- tension anchor
- hand tool
- 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
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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
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
Definitions
- the invention relates to a power-operated hand tool an oscillating work spindle for driving a tool, where the tool is between a stop section a first tool-side end of the work spindle and one Mounting flange is fixable.
- Such a power-driven hand tool is from the EP-B-0 244 465 known.
- a grinding tool is used an oscillation drive with high frequency and small swivel angle in an oscillating movement around the longitudinal axis of the tool.
- the attachment of the Tool on the work spindle usually by means of a central Fixing screw or by means of a central Mounting flange.
- US-A-3 376 675 is a rotatingly driven one Hand tool known that has a grinding head, on the Underside of sandpaper using a conical mounting flange can be spanned by a spring-loaded Tension anchor is applied in such a way that the sandpaper is securely clamped.
- the well-known hand tool is only for a rotating drive suitable and has the disadvantage that the clamping and Loosening the sandpaper is relatively expensive and that Tensioning device is relatively complicated and therefore expensive to build is.
- an angle grinder is known from JP-A-49-6431, in which the grinding wheel with the help of a flange-like elastic Clamping element in a central fastening opening the grinding wheel engages with the interposition of a Spreading element with a central, axially displaceable Spike is connected to the work spindle can be clamped.
- a disc-shaped tool is placed between two clamping flanges clamped against using a proppant axial displacement on a work spindle are secured, the proppant arbitrarily for evading a Support position can be released.
- Serve as a support in a space between the work spindle and the one clamping flange introduced rolling elements that are transverse to their direction of support arbitrary, e.g. by means of a pen into an alternative room are movable. This way, a tool-less Tool change possible.
- This known tool also has a structure and mode of operation the clamping device for the tool is relatively complicated and complex to manufacture.
- a rotating powered hand tool in which a Tool in the form of a polishing brush on the work spindle facing side is provided with a permanent magnet, by which the work spindle is carried along.
- a push rod To a To enable the polishing tool to be detached from the machine the work spindle is penetrated by a push rod, at whose Actuation the force of the permanent magnet can be overcome can and the polishing tool is released from the work spindle.
- Such an arrangement is basically for attachment of the tool on the machine, but allows it not, the tool between a machine-side holding section and tighten a mounting flange like this is required for numerous applications.
- the invention is therefore based on the object of an improved to create oscillating hand tools which enables a manual change of the tool.
- structure and handling should be kept as simple as possible.
- this object is achieved in the case of a power-driven hand tool in accordance with the aforementioned Art solved in that the mounting flange with an axially displaceable tension anchor is rigidly connected penetrates an expansion element, by means of which the tension anchor can be clamped against the work spindle.
- This clamping unit only has to go through a fastening opening of the tool and can be inserted directly on the work spindle, preferably as a hollow spindle is designed to be attached by the tension anchor is moved relative to the expansion element, so that a Spreading of the clamping element and thus a non-positive Connection to the work spindle.
- one with the expansion element connected intermediate flange provided between the mounting flange and the holding portion is arranged.
- the dimensions are preferred of tension anchor, expansion element and work spindle so on top of each other voted that in normal operation without a high clamping force a sufficiently secure connection to the The tool is driven by the work spindle.
- the tension anchor is preferably against the expansion element elastic pre-tensioned.
- the expansion cone is preferably on a second, the First end opposite end of the work spindle is provided.
- an actuating element can be on the mounting flange be provided that pulling out the tension anchor enables.
- the object with a power-driven hand tool according to the entry mentioned type in that the mounting flange with an axially displaceable tension anchor is connected by means of a spring ring or O-ring on a groove or a web the work spindle can be fixed.
- the dimensioning of the spring washer and groove is preferred matched so that when inserting the tension anchor in the work spindle, the clamping anchor is locked with the Spring ring results, so that the tool non-positively between Mounting flange and holding section is held.
- This version is particularly simple and inexpensive construction and is therefore particularly suitable for Attachment of grinding or polishing tools to the work spindle suitable.
- a loosening of the connection between tool and work spindle can be easily achieved in that the tool gripped by hand and against the tension of the Spring rings or O-rings pulled out of the work spindle becomes.
- An actuating element on the mounting flange e.g. in the manner of a ring.
- an abrasive in the form of an abrasive paper with Attached to the surface using a Velcro adhesive is such an actuator can be easily place in the central recess of the grinding tool, in which the mounting flange is received anyway and the when applying sandpaper to the Velcro adhesive material is covered.
- the object in the case of a power-driven hand tool in accordance with the aforementioned Art solved in that the mounting flange with a clamping sleeve is connected, which is penetrated by a clamping anchor is that between a clamping position in which the clamping sleeve is clamped against the work spindle, and a release position is movable.
- the work spindle formed as a hollow spindle, the clamping sleeve a has conical section into which the tension anchor with a Clamping cone engages by means of an elastic element is clamped against the conical section around the mounting flange to act against the holding portion.
- the conical Section of the adapter sleeve is slotted in the axial direction.
- the object in the case of a power-driven hand tool in accordance with the aforementioned Art solved in that the mounting flange with an axially displaceable tension anchor is rigidly connected through a fastening opening of the tool in the work spindle insertable and by a positive lock against twisting is secured and via at least one in a recess of the Rolling body engaging the work spindle against axial displacement can be locked.
- connection and detachment of the tool from the work spindle is particularly easy.
- a between a clamping position and a release position axially displaceable Cage provided, which is elastic towards the clamping position is biased, which is a lateral in the release position Dodging the at least one rolling body allowed to one To allow insertion and removal of the tension anchor, and the at least one rolling element in the tensioned position against lateral escape from the recess backs up.
- the recess is designed as a radial bore on the work spindle and the Rolling body designed as a ball in an oblique escape opening out of the cage and against a circumferential groove of the Tension anchor is prestressed.
- the at least one rolling body is held captive in a radial hole in the tension anchor and by an annular spring enclosing the tension anchor against a Pre-stressed circumferential groove of the tension anchor.
- the object in the case of a power-driven hand tool in accordance with the aforementioned Art solved in that the mounting flange with an axially displaceable tension anchor is rigidly connected, and that a magnet is provided between the tie rod and the work spindle is.
- This version is also a particularly simple and easy to handle attachment of the tool to the work spindle enables.
- the magnet can either be on the work spindle or on Anchors must be attached.
- FIG. 1 shows a power-driven hand tool according to the invention designated overall by the number 10.
- a housing 29 is purely schematic indicated, in which an electric motor 31 is received, the a work spindle via an oscillation drive 30 of a known type 11 drives by the oscillation drive 30 with high frequency in the order of about 10,000 and 25,000 oscillations per minute and with a small swivel angle approximately in the range between 0.5 and 7 ° around the longitudinal axis 32 is driven oscillating.
- outer end 12 of the work spindle is a tool designated overall with the number 22 in the following attached described in more detail. With the tool it is a triangular grinding disc with convex Outer edges, as known from EP-B-0 244 465 is.
- the tool 22 thus comprises a support plate 23 which by a central fastening opening 27 is penetrated.
- a support plate On the support plate is a relatively hard foam Support body 24 added, on the underside of a Velcro adhesive material 25 is provided.
- a Velcro adhesive material 25 On the Velcro adhesive material 25 can a grinding or polishing element 26 by means of the Velcro adhesive material be attached in a known manner.
- Below the fastening opening 27 is inside the support body 24 a recess 28 is provided which accommodates a mounting flange 15 allowed.
- the mounting flange 15 is with a cylindrical tension anchor 17 rigidly connected to the the mounting flange 15 facing away from a conical end Section 18 is provided.
- a spreading element 19 coaxially penetrates the conical section 18 of the tension anchor 17 one to the conical Section of the slope after the adjusted expansion cone 20 having.
- an intermediate flange 16 is molded onto the expansion element 19, the support plate 23 against the retaining section 14 of the work spindle 11 acted upon. This is between the intermediate flange 16 and the mounting flange 15 a compression spring 21st provided through which the conical section 18 of the tension anchor 17 is applied against the expansion cone 20.
- tension anchor 17, expansion element 19 and the inner surface of the work spindle designed as a hollow spindle 11 are now coordinated so that the spreading, the expansion element 19 through the conical section 18th experienced, sufficient to have an adequate, force-locking connection between the work spindle 11 and the tool 22.
- there can also be a positive connection between Work spindle and tool may be provided.
- the attachment of the tool 22 takes place in the opposite direction.
- the tension anchor 17 is together with the Spreading element 19 through the fastening opening 27 of the tool 22 inserted into the work spindle 11 and against the action of the compression spring 21 pressed in the direction of the arrow 34, until the intermediate flange in the recess 28 from the inside abuts the support plate 23 and finally under spring tension is held so that the tool 22 against the Holding section 14 of the work spindle 11 is clamped.
- a piece of sandpaper 26 by means of the Velcro adhesive material 25 are attached to the surface of the support body 24.
- a positive connection between the two e.g. be provided as profiling or corrugation 33, as indicated in Fig. 2.
- FIG. 3 A variant of the embodiment according to FIG. 1 is shown in FIG. 3 and designated overall by the number 40.
- the hand tool 40 has one not shown in FIG Has oscillating driven work spindle 41, having a first, outer end 42 on which a holding section 44 is in the form of a flange, and with a second, end 43 opposite first end 42.
- a total Tool designated with the number 52 which in turn as Grinding tool according to that previously described with reference to FIG. 1 Execution can be formed with its support plate 53 on the holding section 44 by means of a fastening flange 45 held with a rigid anchor 47 held in a spreading element 49 under the tension of a spring 51 is.
- the tension anchor 47 has on its the mounting flange 45 opposite end a conical section 48 on, which is followed by an extension 54 by a Printing stick 46 is completed.
- the expansion element 49, the tension anchor 47 is penetrated, points in the region of the conical Section 48 a correspondingly inclined expansion cone 50 on.
- a spring 51 Between the end face of the expansion element 49 and the Pressure piece 46 is held a spring 51 through which the Tension anchor 47 with its conical section 48 against the Expansion cone 50 of the expansion element is applied.
- the Spreading element 49 is spread slightly under the action of spring 51, so that the tension anchor 47 frictionally in the work spindle 41 is included.
- the tool is 52 frictionally between the mounting flange 45 and the holding portion 44 clamped.
- the tension anchor 47 can be used for the purpose of achieving a better one Preload force can also be hollow and in the area of the conical Section 48 may be slotted.
- an actuating element 55 in the form of a foldable bracket provided on which the entire tensioning unit can be pulled out. If the work spindle 41 its end facing away from the tool 52 is accessible can alternatively be the pressure piece 46 against the action the spring 51 are pressed so that the spread of the Spreading element 49 is lifted and the tension anchor 47 together Spreading element 49 are pulled out of the work spindle 41 can.
- FIG. 4 Another embodiment of the invention is shown in FIG. 4 overall designated with the number 60.
- a work spindle 61 designed as a hollow spindle provided in a known manner by a not shown Oscillatory drive is driven.
- an adapter sleeve 69 is received on the tool 72 facing end is spread out conically and with a conical section 70 on a conical inner surface 76 of the work spindle 61 rests in this area.
- a mounting flange 64 molded, by means of which the tool 72 against a holding portion 64 in the form of a flange at the first, outer end 62 the work spindle 61 can be clamped.
- a clamping anchor 67 is received within the clamping sleeve 69, at its outer, tool-side end by a clamping cone 68 is completed, the slope of the conical section 70 of the adapter sleeve 69 is adapted.
- the adapter sleeve 69 has a shoulder 79a approximately in the middle of its longitudinal extent on which a compression spring 71 rests, the other End engages a shoulder 79b of the tension anchor 67 to this towards the second, first end 62 of the work spindle 61 act opposite end.
- the tension anchor 67 can therefore include the tensioning sleeve 69 through the fastening opening 77 of the tool 72 into the Work spindle 61 inserted and pressed until they under spring tension in the work spindle 61 frictionally is held so that the tool 72 with its support plate 73rd through the mounting flange 65 securely against the holding portion 64 is braced.
- the tension anchor 67 is on its opposite the tool 72 End extended by a pressure piece 66 that outwards protrudes from the housing 79.
- mounting flange 65 Due to the larger span than in the version according to Figures 1 to 3 can also design the mounting flange 65 be that this when moving the clamping cone 68 so far retracts that the mounting flange 65 through the mounting opening 77 can be pulled.
- the tool 72 can in turn, as previously based on the Fig. 1 shown on the underside of the support plate 73 with be provided a support body 74 on which a Velcro adhesive material intended to hold a grinding or polishing agent is.
- FIG. 6 Another embodiment of a hand tool according to the invention is shown in Fig. 6 and overall with the number Designated 80.
- the hand tool 80 in turn has one not shown in FIG Way driven work spindle 81, in the one Anchor 87 can be inserted, at the outer end of a mounting flange 85 is provided.
- the tension anchor 87 can by inserted a fastening opening 97 of a tool 92 be by means of a support plate 93 of the tool 92 of the mounting flange 85 against a holding portion 84 on to clamp the first end 82 of the work spindle 81.
- a circumferential groove 90 is provided on the tension anchor 87, the a spring ring 88 is assigned, which in an inner groove 89 the work spindle 81 is held.
- Location and dimensions of inner groove 89, spring washer 88, circumferential groove 90, and the strength the support plate 93 of the tool 92 are matched to one another in such a way that when inserting the tension anchor 87 through the Fastening opening 97 in the opening of the work spindle 81 and when pressing the mounting flange 85 against the work spindle 81 finally, in the end position, the Spring washers 88 take place in the circumferential groove 90 and thus the tool 92 securely frictionally by means of the mounting flange 85 is clamped against the holding section 84.
- the spring washer 88 can advantageously be a standardized O-ring.
- the support plate 93 is provided with a support body made of solid foam, on which by means of Velcro adhesive material 95 about an abrasive paper 96 can be attached.
- Self-adhesive grinding or polishing elements can be or that the support body 94 itself directly can be formed as an abrasive body, e.g. with diamond grinding wheels can be coated.
- FIG. 7 Another embodiment of the invention is shown in FIG. 7 and designated overall by the number 100.
- a work spindle 101 by means of several bearings, from one of which is indicated by the number 110, around its longitudinal axis rotatably mounted and by means of a not shown Rotary drive for rotating drive or by means of an oscillation drive for the oscillating drive of the Tool 112 driven.
- On the outside facing the tool 112 The end of the work spindle 101 is a recess in shape an internal hexagon 103 is provided, into which a tension anchor 107 insertable with a correspondingly shaped external hexagon 102 is.
- a mounting flange 105 rigidly attached, with a paragraph in a mounting hole 117 on a support plate 113 of a tool 112 engages.
- a circumferential groove 122 is provided third of the external hexagon 102, into which a rolling element in the form of a ball 121 engages.
- a cage 120 is provided on the Working spindle 101 fixed in the axial direction is.
- An inclined guide opening 123 is provided in the cage 120, in which the ball 121 is movable.
- Lock position shown engages the ball 121 in a radial bore 125 of the work spindle 101 and lies in the circumferential groove 122 of the tension anchor 107 and is thereby from outside through the slope of the guide opening 123 in this position held.
- the cage 120 is acted upon by a spring 124, which in an annular cavity 126 between the Cage 120 and the work spindle 101 is held on her End facing the tool 112 on a lock washer 108 is held, which is accommodated in the work spindle 101 is.
- the cage 120 is thus in an opposite to the tool 112 Spring loaded direction, so that the ball 121 in the position shown in Fig. 7 is locked and thus the Tension anchor 107 is secured against axial displacement.
- a support body 114 is provided on the underside of the support plate 113 on the underside of which is a Velcro adhesive material 115 is attached to an abrasive paper 116 or other Attach the grinding or polishing element in a detachable manner to be able to.
- the sandpaper 116 can the recess 118, which in the support body 114 for receiving the mounting flange 105 is provided, completely cover.
- FIG. 7a A modification of the embodiment according to FIG. 7 is a detail shown in Fig. 7a.
- the rolling body 121a is the is again formed as a ball, only by an annular spring 127 held, which surrounds the tension anchor 107a from the outside and the ball against a circumferential groove 122a of the tension anchor 107a preloaded.
- the ball is again in a radial bore 125a movable in tension anchor 107a, but is in unspecified way against falling out inwards secured when pulling out the tension anchor 107a.
- the ring spring 127 can also be a lock washer 128 may be provided.
- a magnet is used to secure it of the tool on the work spindle.
- the work spindle 131 has a cylindrical shape Extension 139 on, in the clamping position shown in Fig. 8 from a cylindrical recess 140 of a tension anchor 137 is enclosed.
- a disc-shaped permanent magnet 138 is pressed through which the Tension anchor is held magnetically on the work spindle 131, for this purpose at least in the area of the extension 139 a ferromagnetic material.
- the tension anchor 137 is rigidly connected to a mounting flange 135 which of rests on the outside of the surface of the tool 142 to this so to brace against the holding portion 134 of the work spindle 131.
- a positive connection between the tension anchor 137, the extension 139 and the tool 142 may be provided.
- FIG. 9 shows a modification of the embodiment according to FIG. 8, where the permanent magnet is not on the mounting flange or tension anchor is provided instead on the work spindle 151 received in a bore 160 of the same is.
- the tension anchor 157 engages a ferromagnetic material is in the bore 160 am outer end of the work spindle 151 and is in the in Fig. 9 shown clamping position by the magnetic force of Permanent magnet 158 held.
- the tool 162 is thus again through the mounting flange 155, which is connected to the tension anchor 157 is rigidly connected to the holding section 154 of the work spindle 151 held by the magnetic force.
- a driving pin 164 is provided, which in a corresponding bore of the tool 162 in a form-fitting manner intervenes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
- Fig. 1
- ein erstes Ausführungsbeispiel der Erfindung in geschnittener, stark vereinfachter Ausführung;
- Fig. 2
- einen Schnitt längs der Linie II-II gemäß Fig. 1, auf dem lediglich Arbeitsspindel, Spannelement und Spannanker dargestellt sind;
- Fig. 3
- eine zweite Alternative der Erfindung in geschnittener, stark vereinfachter Darstellung;
- Fig. 4
- eine weitere Variante der Erfindung in stark vereinfachter, geschnittener Darstellung;
- Fig. 5
- einen vergrößerten Ausschnitt aus Fig. 4 im Bereich des Befestigungsflansches;
- Fig. 6
- eine weitere Variante der Erfindung in stark vereinfachter, geschnittener Darstellung;
- Fig. 7
- eine weitere Variante der Erfindung in vergrößerter Schnittdarstellung im Bereich der Verbindung zwischen Arbeitsspindel und Werkzeug;
- Fig. 7a
- eine Abwandlung der Ausführung gemäß Fig. 7;
- Fig. 8
- eine weitere Ausführung der Erfindung in stark vereinfachter, vergrößerter Darstellung, lediglich im Bereich der Verbindung zwischen Werkzeug und Arbeitsspindel und
- Fig. 9
- eine Abwandlung der Ausführung gemäß Fig. 8.
Claims (20)
- Kraftgetriebenes Handwerkzeug mit einer oszillierenden Arbeitsspindel (11, 41) zum Antrieb eines Werkzeugs (22, 52), bei dem das Werkzeug (22, 52) zwischen einem Halteabschnitt (14, 44) an einem ersten werkzeugseitigen Ende (12, 42) der Arbeitsspindel (11, 41) und einem Befestigungsflansch (15, 45) fixierbar ist, dadurch gekennzeichnet, daß der Befestigungsflansch (15, 45) mit einem axial verschiebbaren Spannanker (17, 47) starr verbunden ist, der ein Spreizelement (19, 49) durchsetzt, mittels dessen der Spannanker (17, 47) gegen die Arbeitsspindel (11, 41) verspannbar ist.
- Handwerkzeug nach Anspruch 1, dadurch gekennzeichnet, daß ein mit dem Spreizelement (19) verbundener Zwischenflansch (16) vorgesehen ist, der zwischen dem Befestigungsflansch (15) und dem Halteabschnitt (14) angeordnet ist.
- Handwerkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Spannanker (17, 47) einen konisch ausgebildeten Spannabschnitt (18, 48) aufweist, der mit einem Spreizkonus (20, 50) am Spreizelement (19, 49) zur Aufweitung des Spreizelements (19, 49) zusammenwirkt.
- Handwerkzeug nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Spannanker (17, 47) gegen das Spreizelement (19, 49) elastisch vorgespannt ist.
- Handwerkzeug nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Spreizkonus (20, 50) an einem zweiten (13, 43), dem ersten (12, 42) Ende gegenüberliegenden Ende der Arbeitsspindel (11, 41) vorgesehen ist.
- Kraftgetriebenes Handwerkzeug mit einer oszillierenden Arbeitsspindel (81) zum Antrieb eines Werkzeugs (92), bei dem das Werkzeug (92) zwischen einem Halteabschnitt (84) an einem ersten werkzeugseitigen Ende (82) der Arbeitsspindel (81) und einem Befestigungsflansch (85) fixierbar ist, dadurch gekennzeichnet, daß der Befestigungsflansch (85) mit einem axial verschiebbaren Spannanker (87) starr verbunden ist, der mittels eines Federrings (88) oder O-Rings an einer Nut (89) oder einem Steg der Arbeitsspindel (81) fixierbar ist.
- Kraftgetriebenes Handwerkzeug mit einer oszillierenden Arbeitsspindel (61) zum Antrieb eines Werkzeugs (72), bei dem das Werkzeug (72) zwischen einem Halteabschnitt (64) an einem ersten werkzeugseitigen Ende (62) der Arbeitsspindel (61) und einem Befestigungsflansch (65) fixierbar ist, dadurch gekennzeichnet, daß der Befestigungsflansch (65) mit einer Spannhülse (69) verbunden ist, die von einem Spannanker (67) durchsetzt ist, der zwischen einer Spannstellung, in der die Spannhülse (69) gegen die Arbeitsspindel (61) verspannt ist, und einer Lösestellung verschiebbar ist.
- Handwerkzeug nach Anspruch 7, dadurch gekennzeichnet, daß die Arbeitsspindel (61) als Hohlspindel ausgebildet ist, daß die Spannhülse (69) einen konischen Abschnitt (70) aufweist, in den der Spannanker (67) mit einem Spannkegel (68) eingreift, der mittels eines elastischen Elements (71) gegen den konischen Abschnitt (70) verspannt ist, um den Befestigungsflansch (65) gegen den Halteabschnitt (64) zu beaufschlagen.
- Handwerkzeug nach Anspruch 8, dadurch gekennzeichnet, daß der konische Abschnitt (70) der Spannhülse (69) in Axialrichtung geschlitzt ausgeführt ist.
- Kraftgetriebenes Handwerkzeug mit einer oszillierenden Arbeitsspindel (101) zum Antrieb eines Werkzeugs (112), bei dem das Werkzeug (112) zwischen einem Halteabschnitt (104) an einem ersten werkzeugseitigen Ende der Arbeitsspindel (101) und einem Befestigungsflansch (105) fixierbar ist, dadurch gekennzeichnet, daß der Befestigungsflansch (105) mit einem axial verschiebbaren Spannanker (107) starr verbunden ist, der durch eine Befestigungsöffnung (117) des Werkzeugs (112) in die Arbeitsspindel (101) einsteckbar und durch einen Formschluß (102, 103) gegen Verdrehung gesichert ist und über mindestens einen in eine Ausnehmung (122) der Arbeitsspindel (101) eingreifenden Rollkörper (121) gegen Axialverschiebungen verriegelbar ist.
- Handwerkzeug nach Anspruch 10, dadurch gekennzeichnet, daß ein zwischen einer Spannstellung und einer Lösestellung axial verschiebbarer Käfig (120) vorgesehen ist, der in Richtung auf die Spannstellung elastisch vorgespannt ist, der in der Lösestellung ein seitliches Ausweichen des mindestens einen Rollkörpers (121) erlaubt, um ein Einschieben und ein Herausziehen des Spannankers (107) zu erlauben, und der den mindestens einen Rollkörper (121) in der Spannstellung gegen ein seitliches Ausweichen aus der Ausnehmung (122) sichert.
- Handwerkzeug nach Anspruch 11, dadurch gekennzeichnet, daß die Ausnehmung (122) als Radialbohrung (125) an der Arbeitsspindel (101) ausgebildet ist, und daß der Rollkörper (121) als Kugel ausgebildet ist, die in einer schrägen Ausweichöffnung (123) des Käfigs (120) geführt ist und gegen eine Umfangsnut (122) des Spannankers (107) vorgespannt ist.
- Handwerkzeug nach Anspruch 10, dadurch gekennzeichnet, daß der mindestens eine Rollkörper (121a) in einer Radialbohrung (125a) im Spannanker (107a) unverlierbar gehalten ist und durch eine den Spannanker (107a) umschließende Ringfeder (127) gegen eine Umfangsnut (122a) des Spannankers (107a) vorgespannt ist.
- Kraftgetriebenes Handwerkzeug mit einer oszillierenden Arbeitsspindel (131, 151) zum Antrieb eines Werkzeugs (142, 162), bei dem das Werkzeug (142, 162) zwischen einem Halteabschnitt (134, 154) an einem ersten werkzeugseitigen Ende der Arbeitsspindel und einem Befestigungsflansch (135, 155) fixierbar ist, dadurch gekennzeichnet, daß der Befestigungsflansch (135, 155) mit einem axial verschiebbaren Spannanker (137, 157) starr verbunden ist, und daß zwischen Spannanker (137, 157) und Arbeitsspindel (131, 151) ein Magnet (138, 158) vorgesehen ist.
- Handwerkzeug nach Anspruch 14, dadurch gekennzeichnet, daß der Magnet (158) an der Arbeitsspindel (151) befestigt ist.
- Handwerkzeug nach Anspruch 15, dadurch gekennzeichnet, daß der Magnet (158) am Spannanker (151) befestigt ist.
- Handwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Werkzeug (22, 52, 72, 92, 112, 142, 162) und dem Halteabschnitt (14, 44, 64, 84, 104, 134, 154) eine formschlüssige Verbindung vorgesehen ist.
- Handwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß am Befestigungsflansch (15, 85, 105) ein von der Werkzeugseite her zugängliches Betätigungselement (16, 86, 106) zum Herausziehen des Spannankers (17, 87, 107) vorgesehen ist.
- Handwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß an einem dem ersten Ende der Arbeitsspindel gegenüberliegenden zweiten Ende (43, 63) ein Druckstück (44, 66) vorgesehen ist, mittels dessen der Spannanker (47, 67) entgegen der wirkung der elastischen Vorspannung aus einer Spannstellung in eine Lösestellung axial verschiebbar ist.
- Handwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Arbeitsspindel (11, 41, 61, 81, 101, 131, 151) mit einem Oszillationsantrieb verbunden ist, der die Arbeitsspindel um ihre Längsachse (32) oszillierend antreibt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19824387 | 1998-05-30 | ||
DE19824387A DE19824387A1 (de) | 1998-05-30 | 1998-05-30 | Kraftgetriebenes Handwerkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0962283A1 true EP0962283A1 (de) | 1999-12-08 |
EP0962283B1 EP0962283B1 (de) | 2003-12-10 |
Family
ID=7869510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99106257A Expired - Lifetime EP0962283B1 (de) | 1998-05-30 | 1999-04-14 | Kraftgetriebenes Handwerkzeug |
Country Status (3)
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---|---|
EP (1) | EP0962283B1 (de) |
DE (2) | DE19824387A1 (de) |
ES (1) | ES2210883T3 (de) |
Cited By (11)
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DE102005047402A1 (de) * | 2005-10-04 | 2007-04-05 | Metabowerke Gmbh | Elektrowerkzeuggerät und Werkzeug hierfür |
US8915499B2 (en) | 2010-11-09 | 2014-12-23 | Black & Decker Inc. | Universal accessories for oscillating power tools |
US8925931B2 (en) | 2010-04-29 | 2015-01-06 | Black & Decker Inc. | Oscillating tool |
US9149923B2 (en) | 2010-11-09 | 2015-10-06 | Black & Decker Inc. | Oscillating tools and accessories |
US9186770B2 (en) | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
US20170291277A1 (en) * | 2016-04-11 | 2017-10-12 | Zhejiang Jinmei Electric Tools Co., Ltd. | Rapid-replacing structure of multifunctional saw |
USD814900S1 (en) | 2017-01-16 | 2018-04-10 | Black & Decker Inc. | Blade for oscillating power tools |
USD832666S1 (en) | 2012-07-16 | 2018-11-06 | Black & Decker Inc. | Oscillating saw blade |
US10137592B2 (en) | 2013-05-06 | 2018-11-27 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
US10265778B2 (en) | 2017-01-16 | 2019-04-23 | Black & Decker Inc. | Accessories for oscillating power tools |
CN113547460A (zh) * | 2020-04-06 | 2021-10-26 | 盖多·瓦伦蒂尼 | 抛光构件或打磨构件和手导的动力工具 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004020982A1 (de) * | 2004-04-23 | 2005-11-17 | C. & E. Fein Gmbh | Kraftgetriebenes Handwerkzeug mit Spanneinrichtung für ein Werkzeug |
US7736216B2 (en) * | 2008-08-20 | 2010-06-15 | Black & Decker Inc. | Sander having removable platen |
EP4378625A1 (de) * | 2022-12-01 | 2024-06-05 | IPS - Innovative Produktionssysteme GmbH | Spannvorrichtung und vorrichtung zum gleitschleifen |
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US10207385B2 (en) | 2010-04-29 | 2019-02-19 | Black & Decker Inc. | Accessories for oscillating power tools |
US11498180B2 (en) | 2010-04-29 | 2022-11-15 | Black & Decker Inc. | Oscillating tool |
US9186770B2 (en) | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
US9242361B2 (en) | 2010-04-29 | 2016-01-26 | Black & Decker Inc. | Universal accessories for oscillating power tools |
US8925931B2 (en) | 2010-04-29 | 2015-01-06 | Black & Decker Inc. | Oscillating tool |
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USD832666S1 (en) | 2012-07-16 | 2018-11-06 | Black & Decker Inc. | Oscillating saw blade |
US10940605B2 (en) | 2013-05-06 | 2021-03-09 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
US10137592B2 (en) | 2013-05-06 | 2018-11-27 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
US11724413B2 (en) | 2013-05-06 | 2023-08-15 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
US20170291277A1 (en) * | 2016-04-11 | 2017-10-12 | Zhejiang Jinmei Electric Tools Co., Ltd. | Rapid-replacing structure of multifunctional saw |
US10131032B2 (en) * | 2016-04-11 | 2018-11-20 | Zhejiang Jinmei Electric Tools Co., Ltd. | Rapid-replacing structure of multifunctional saw |
USD814900S1 (en) | 2017-01-16 | 2018-04-10 | Black & Decker Inc. | Blade for oscillating power tools |
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USD871185S1 (en) | 2017-01-16 | 2019-12-31 | Black & Decker Inc. | Blade for oscillating power tools |
US10265778B2 (en) | 2017-01-16 | 2019-04-23 | Black & Decker Inc. | Accessories for oscillating power tools |
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Also Published As
Publication number | Publication date |
---|---|
ES2210883T3 (es) | 2004-07-01 |
EP0962283B1 (de) | 2003-12-10 |
DE19824387A1 (de) | 1999-12-02 |
DE59907988D1 (de) | 2004-01-22 |
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