EP0916456B1 - Elektrohandwerkzeugmaschine - Google Patents
Elektrohandwerkzeugmaschine Download PDFInfo
- Publication number
- EP0916456B1 EP0916456B1 EP99103025A EP99103025A EP0916456B1 EP 0916456 B1 EP0916456 B1 EP 0916456B1 EP 99103025 A EP99103025 A EP 99103025A EP 99103025 A EP99103025 A EP 99103025A EP 0916456 B1 EP0916456 B1 EP 0916456B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- machine tool
- tool according
- output shaft
- bearing
- 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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
Definitions
- the invention is based on an electric hand tool according to the preamble of claim 1.
- DE-OS 42 35 278 is a generic hand tool known, the file-like insert tool by an eccentric bearing output shaft via a Driver is driven back and forth.
- the output shaft is powered by an electric motor via an angle gear Movement set, which is about 90 ° relative to the motor shaft angled output shaft no adjustment means for Adjusting the angular gear clearance, i. the play of the output shaft opposite the motor shaft or the axial play the output shaft relative to the housing has.
- the top End of the output shaft is in the upper part of the gearbox receiving from an axial and radial forces Rolling and the lower end of the shaft in the lower part of the Transmission housing received by a needle bearing.
- the dividing plane of the housing as before common in manual power tools, in working position vertically and even, wherein at least one bearing point of the output shaft is in the region of the division plane, i. that the Bearing seat is also divided.
- This can be done by the insert tool transferred to the housing forces to a Deformation of the housing edges in the area of the division plane to lead. This in turn can be the bearing seats of the output shaft deform and thus disrupt the transmission function.
- the clamping means for the tool, in particular insert tool are externally via operating means in the clamping and release position movable, but also need the movement of the driver and the tool can follow. Thereby are the Clamping means for coupling the insert tool with the driver designed relatively expensive.
- the electric hand tool according to the invention with the Features of claim 1 has the advantage that the housing is particularly resistant to deformation.
- the stability of the housing is e.g. increased by the shells and formed by dividing edges Division plane around the neck - in working position considered - run bent down and where the bend serves as a handle.
- the stiffening of the Housing increases by attacking the operator's hand and as a result of the operating forces when working, causing the Housing shells quasi interlocked and firmly against each other be tense.
- a simple actuating means is created when the actuating means as, in particular with a coarse thread, axially adjustable in the housing Bushing is configured, and the bearing bush at least one of the undersides of an upper radial collar Ringkeil wears, which is a housing-side counter-ring wedge is assigned as a support surface.
- the adjusting means is against unintentional adjustment with a Anti-rotation against the housing position safe, wherein the rotation in a particularly simple design an externally toothed clamping ring, the inside with a Two-fold aelleszweiflach on the lower outside the bearing bush facing from the collar or the ring wedge Overlaps side.
- the detachable arrangement of the rotation on one, in particular tool facing, externally accessible side allows adjustment of the axial play of the output shaft without dismantling the hand tool.
- the support is simple and inexpensive in that the output shaft via a spring-mounted, axially displaceable Ball bears against the housing and that a compression spring is arranged in the upper housing shell, one on the one side a thorn on the side of the housing, and on the other side one a supporting disk bearing pin engages and over the support disk is supported against the ball, in a frontal recess in the upper end of the output shaft sits and protrudes beyond the edge of the recess.
- the bearing in the upper housing shell may be imbalanced compensate the output shaft, that a ring-like Sliding bearing for supporting the upper end of the output shaft is arranged, the tread is configured conical.
- the sliding bearing compensates imbalances of the output shaft especially effective, characterized in that the running surface of the sliding bearing in its upper region over a length of about 2 to 3 mm cylindrical and then down to it in an opening at an angle of about 5 ° conical, about 7 mm long area merges.
- the conical Opening facilitates the assembly of the power tool the insertion of the output shaft in the plain bearing.
- the operation can be simple Means, namely via a pushbutton, with which the Carrier is manually displaceable.
- the tool is in the area of its clamping end in one Longitudinal guide play and friction and thus the drive and the housing of work-related shear forces as well thereby relieving the burden of friction, by the longitudinal guide the flat clamping area engages around the tool and while working against twisting guaranteed.
- a sealing cap covers the opening of the front area of the Housing, through which the shaft of the tool passes. It serves as a sliding guide and vibration damping for the tool.
- the tool a transversely to its direction of movement wearing cutting edge, it is particularly premature can be used as a chisel, spatula or the like.
- the longitudinal guide is securely locked in the housing shell through a box-like profile encompassing this one rear and front for the passage of the insert tool open Recording tunnel.
- the driver is designed with a connecting rod a head carrying a projection, the unintentional Turning inside the case avoided and a particularly quiet, low-wear running of the hand tool achieved, the head being in the notch of the longitudinal guide vibration damping is performed.
- the longitudinal guide is immovable as a separate body Interior of the housing arranged as soon as the housing shells are screwed together. This supports the longitudinal guide in the direction of movement of the guided insertion tool against a front wall of one of the housing shells and is characterized captive and play-free but at the same time easily replaceable, held, because the longitudinal guide to light each other lifting the housing shells in the front area can be removed from the housing.
- the longitudinal guide is a separate body, takes them cassette-like over the shaft of the tool on the housing transmitted bending forces and conducts this large area on the housing further, so that this only low bending and twisting forces is suspended and can be performed in lightweight construction, wherein rolling elements both ends of the guide slot of the longitudinal guide the Wear or friction between the longitudinal guide and reduce the tool, in that there only roll instead of sliding friction is allowed.
- the tool can be a chisel, scraper, spatula or the like.
- metal e.g. Be carbide or HSS steel. It is versatile, e.g. to carve, to remove Paint, wallpaper, carpet glue, foam backing, needle felt, PVC, furthermore for cleaning work, e.g. Removing dirt, Adhesive and glue, plaster, gypsum, putty, putty, Paint and silicone residues as well as mortar and concrete residues Lath. After all, this can also be used for underground preparation be carried out, e.g. Screed and Concrete preparation, smoothing of caterpillars and noses, grouting of cracks, removing tile adhesive.
- the tool has a flat, in the region of the shaft, in particular rectangular, cross-section, in one Longitudinal guide, especially in a flat slot, feasible is and elastic, leaf-spring-like, bending forces when scraping receives. As a result, the tool is against twisting around his Longitudinal axis secured and springs during operation of the scraper between the workpiece and the operator shocks.
- FIG. 1 shows an exploded view and FIG. 2 a partial longitudinal section of an electric power tool for scraping workpieces, in short as a scraper 10 denotes.
- Its cylindrical housing 11 is made of two Housing shells 12, 14 formed of plastic, whose edges each form a dividing edge 15, which is a horizontal dividing plane define.
- the housing 11 has in its rear Area a thickening 30 and in its front area a neck 32 inclined with respect to the housing axis. Between the neck 32 and the thickening 30 is the housing designed as a handle 28.
- the housing shells 12, 14 are connected by screws 26 with each other.
- An unillustrated electric cable can on the housing 11th secured by another screw 24 secured with clamp become.
- a motor 16th arranged with a fan 18, whose drive shaft 19th stored in a ball bearing 20 and with a conical Pinion 22 is rotatably connected.
- the pinion 22 meshes with one of an output shaft 50 rotatably supported conical ring gear 48, the axis of rotation 36 at right angles to Drive shaft 19 extends.
- the tool-distant bearing point of the output shaft 50 is made from a ring-like into a cylindrical bearing receptacle 38 the housing shell 12 insertable sliding bearing 40, in particular made of sintered material, a compression spring 42, a support disk 44 and a ball 46, which in a centric Recess 43 in the upper end side of the output shaft 50th is stored.
- the compression spring 42 engages around the top, i. at one end, one fixed to the housing Mandrel 41 and below, i. in the other, one Support disc 44 bearing pin 44 'and supports via the support plate 44 relative to the ball 42 from, in the centric recess 43 of the output shaft 50 is seated, wherein it protrudes beyond the edge of the recess 43.
- the plain bearing 40 has a conical or crowned inner tread 47 for receiving the upper bearing end of the output shaft 50.
- the output shaft 50 may be inclined by a certain amount guided free of play relative to the central axis of the sliding bearing 40 be destroyed without the sliding bearing 40 thereby becomes. This allows the use of grossly tolerated Items for the scraper 10, wherein its function in high quality is assured.
- the tool-near bearing point of the output shaft 50 is made from a sleeve-like bearing bush 56, a ring disc 54 and a roller bearing or needle roller bearing 58.
- Eccentric pin 52 with an eccentric axis 53 passes through the Bearing bush 56, wherein its free end from above into a Bore 72 of a connecting rod-like driver 68 engages, the is supported axially down on a push button 76. It can here also other known eccentric drives be used.
- the distance of the eccentric axis 53 with respect to the axis of rotation 36th determines the eccentricity, with the double eccentricity determines the stroke of the eccentric pin or the driver 69.
- the driver 68 and the bearing bush 56 are a Anti-rotation 62 and a disc 66 arranged between where a distance-retaining spring means 64 is supported.
- the formed as adjusting disk or clamping ring against rotation 62 is for positive engagement of the bearing bush 56 educated.
- the pushbutton 76 closes a dustproof one Opening 60 in the lower housing shell 14 and ends there flush with the housing contour.
- a transverse wall 13 is in the region of the opening 34 in the upper plastic shell 12th arranged and engages over the outer end face 82 'of Longitudinal guide 82 partially and secures them against unwanted emergence from the opening 34 or against To lose.
- the shaft 89 of the Tool 88 straight, guided back and forth.
- the driver 68 engages with a pin Projection 70 rotatable from above into a circular Recess 90 of the clamping end 77 of the shaft 89 of the Tool 88.
- Figures 2 and 4 show that for low-friction, better Bearing of the eccentric pin 52 of the driver 68 in his Bore 72 for the passage of the eccentric pin 52 a rolling bearing 73, in particular needle roller bearings having.
- the one with the recess 90 cooperating pins 70 is at a distance arranged axially parallel to the recess 72 and to the rolling bearing 73.
- Figures 1 to 4 show that the driver 68th guided along the eccentric pin 52 and resiliently axially displaceable is mounted and that the projection 70 of the driver 68 in its axial displacement out of engagement with the recess 90 of the tool 88 can be brought, so that thereby the drive from the tool 88 is separable. is If so, then the tool 88 can easily be hand-operated be removed and changed.
- the driver 68 is about the fingers of the operator's hand displaceable push button 76 is moved to the release position.
- the push button 76 is in the housing 11 in the opening 60 - like an engine piston in the cylinder - displaceable in the Housing shell 14 stored, wherein the push button 76 in the same direction as the driver 68, on which it is supported, movable is.
- the compression spring 64 is supported against the driver 68 from.
- the Ring disc 66 prevents the reciprocating motion of the driver 68 transmitted to the compression spring 64 becomes.
- the pushbutton 76 by means of in the interior the housing shell 12 hinged snap hook 75, 79th is secured against falling out.
- To support against the plunger-like driver 68 carries the push button 76 radial Ribs 8 and 9.
- the tool 88 is in an area between its one Cutting-carrying working end 92 and its clamping end 77 guided in the longitudinal guide 82.
- the longitudinal guide 82 is so formed, see also Fig. 9 that they the shallow shaft 89 of the tool 88 surrounds cassette-like and thereby the absorbs bending forces occurring during work, so that no local stresses can occur to the Destruction of the housing shells 12, 14 would lead
- the longitudinal guide 82 is usable as in the housing 12, 14 Cube or cuboid with a continuous guide slot 67, see Figures 6 and 8, for the passage of Shaft 89 of the tool 88 designed.
- the longitudinal guide 82 has on its side facing the driver 68 a Notch 83, which in the recess 90 of the Clamping 77 of the tool 88 cross-head 65 of the Mit Economicss 68 centered, in the clamping end 77 of Tool 88 engaging and this entraining projection 70 carries.
- the longitudinal guide 82 need not be cuboid-shaped, but can also according to need a different outer Have design.
- FIG. 6, like FIG. 3, shows the upper bearing of the output shaft 50 in the housing 12, 14 as a detail, wherein the Compression spring 42, the central recess 43, the disc 44, the ball 46 and the upper portion of the output shaft 50th are clearly visible.
- Figures 1 to 7 show that the tool facing Bearing point of the output shaft 50 through which the rolling bearing 58 bearing bushing 56 is formed, which has a like a coarse thread acting ring wedge 57 against a Gegenringkeil 63 (Fig. 10) of the housing shell 14 after the Releasing the anti-rotation lock 62 is axially adjustable and the, - After dismantling the button 76 and the driver 68 -, from outside e.g. for a wrench or the like for twisting is accessible.
- the bushing 56 could instead of the ring wedge 57 a Steep external threads that fit into a housing-side Mating thread would have to be screwed.
- the rotation of the bearing bush 56 is externally toothed Clamping ring 62 configured, with two on his Inside arranged teeth 61 in two opposite Grooves 59 on the lower outside of the bearing bush 56 attacks.
- the clamping ring 62 holds with its external teeth at projections of the housing 11, in particular the housing shell 12, latching firmly against turning by the teeth between cams 67 ( Figure 10) at the bottom of opening 60. He secures the bearing bush 56 against twisting the housing 11th
- the compression spring 64 is supported, bringing it this axially relative to the bearing bush 56 and against the Housing 11 biases and thus in particular to the cam holds.
- the clamping ring 62 is connected via an external toothing the housing shell 14 rotatably connected.
- the tool 88 or 188 exits the covered by a sealing cap 86 opening 34 of the front Area of the housing 11 off.
- a blade guard 94 can be set, which secures the cutting edge against damage and the operator in particular during transport of Hand tool 10 against injury by the cutting edge protects.
- a driver 69 is a perforated disk trained - in contrast to the according to the figures 1 to 3 connecting rod designed driver 68.
- the driver 69 engages an eccentric pin 51 of the output shaft 50 a, which is significantly shorter as the eccentric pin 52 according to the figures 1 to 3. This shorter dimension is necessary because so the eccentric pin 51st itself out of engagement with the recess 91 of the chuck end the insert tool 188 stands, thereby the insert tool 188 transverse to the eccentric pin 51 - about the free end can be pushed past - can be removed.
- the central bore 72 ' may, of course, as the bore 72nd according to Figures 2 and 4, a needle bearing 73 included to the movement of the eccentric pin 51 friction with the driver 69 and the insert tool 188 to transfer.
- the slot-like recess 91 is arranged near the free end of the clamping end 77, wherein its longitudinal extent transverse to the direction of movement of the tool 188 runs and at least at the stroke h or around double eccentricity of the eccentric pin 51 is longer than the diameter of the eccentric pin 51.
- the width of the slot 91 is dimensioned so that the projection 71 substantially can intervene without play.
- FIG. 8 shows an insert tool 288 suitable for the scraper 10 is suitable according to the figures 1 to 4.
- the Insert tool 288 has a recess 93 in the clamping end 77th which extends as extending longitudinally to the direction of movement Slot is designed, the width of the outer diameter of the circular cross-section pin 70 tuned is. Its longitudinal extent is around the stroke h resp double eccentricity of the eccentric pin 52 larger than the Outer diameter of the eccentric pin 52. This is when rotating Motor the insert tool 288 only then reciprocating moved or driven, if it is from a frontal Counteracting force is applied, so that the projection 70th supported on the front edge 193 of the recess 90 can.
- a comparison of the chucking ends 77 of the insert tools 88, 188, 288 according to Figures 1 to 8 shows that the recess 90 of the insert tool 88 farther from the free end of the chuck end 77 removed as the recess 91 of the insert tool 188 and as the recess 93 of the insert tool 288 according to FIGS. 5 and 7.
- FIG. 9 shows, as an enlargement, the longitudinal guide 82 according to FIG Figure 1.
- the longitudinal guide 82 carries designed as needles Rolling elements 78 and 84, in front of and behind the rectangular, flat guide slot 67 are arranged and in which the tool 88, 188, 288 can support rolling.
- the rolling elements 78 and 84 are in corresponding slots 85 of Longitudinal guide 82 stored.
- the cooperation between the longitudinal guide 82 and the connecting rod-like driver 68 show the figures 1, 2 and 4.
- the driver 68 has the projection 70 bearing Head part 65, which serves as a guide slot notch 83 of the longitudinal guide 82 rotatably engages. Thereby it is ensured that the head 65 and thus the driver 68 also secured against rotation within the housing 11 then is performed when the scraper 10 does not use a tool 88, 288 is equipped and if in this condition the engine 16 is started.
- the upper and lower housing shell 12, 14 shown exploded parallel to the axis, wherein the inclined, front-bent course of the dividing edge 15 becomes clear with both housing shells.
- the upper housing shell shows particularly clearly the mandrel 41 and the concentric bore 45 for receiving the not shown here, but shown in Figures 1 to 3, 5, 6 Compression spring 42, in turn, the pin 44 'with the disc 44 contributes to the axial support on the ball 46 and at the Output shaft 50.
- a circular, serving as a bearing receptacle 38 recess concentric is arranged to the mandrel 41 and in which the annular Slide bearing 40 can be used.
- the front is Transverse wall 13 near the opening 34 for the passage of here unillustrated tool 88 particularly clearly visible.
- the lower housing shell 14 clearly shows the Schmidtringkeil configuration 63, at which the ring wedge 57 on the collar 55 of the Bearing bush 56 is supported, so that when turning the bearing bush 56 contrary to the Uhreigersinn this moves axially.
- the output shaft 50 according to the figures 1, 2 and 5 axially supported on the bearing bush, it is when turning the bearing bush 56 taken axially, so that thereby setting the axial play of the output shaft 50 relative to the upper housing shell 12 and against the ball 46, the Washer 44 and the mandrel 41 is possible.
- a Ring groove 25 for holding the sealing cap 86 (FIG. 1) recognizable and a receiving tunnel 33 with an insertion opening 35 for insertion and for holding the not shown here Longitudinal guide 82, located at the ribs 37 39 clamped free of play. Also recognizable is the opening 60 for Guide and recording of the push button 76 (Fig. 1).
- the adjusting means in the form of the bearing bush 56 could also instead of in the lower housing shell 14 in the upper housing shell 12 may be arranged, in which case instead of the needle bearing 73, the slide bearing 40 sitting in the bearing bush 56 could.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Jigs For Machine Tools (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Portable Nailing Machines And Staplers (AREA)
Description
Claims (21)
- Handwerkzeugmaschine mit einem aus längsgeteilten Schalen (12, 14) bestehenden Gehäuse (11), das einen Motor (16) und ein Winkelgetriebe mit einer beidenends gelagerten Abtriebswelle (50) aufnimmt, dadurch gekennzeichnet, daß das Gehäuse (11) aus zwei mit in Arbeitsposition waagerecht verlaufender Teilungsebene zusammengesetzten Gehäuseschalen (12, 14) gebildet wird, wobei die Abtriebswelle (50) in beiden Gehäuseschalen (12, 14) in je einem Lager (40) drehbar gelagert ist.
- Maschine nach Anspruch 1, dadurch gekennzeichnet, daß das Gehäuse (11) mit den beiden Gehäuseschalen (12, 14) und die durch Teilungskanten (15) gebildete Teilungsebene, insbesondere im Bereich des Halses (32), in Arbeitsposition s-förmig nach unten abgeknickt verlaufen.
- Maschine nach Anspruch 2, dadurch gekennzeichnet, daß die Abtriebswelle (50) einen am Abtriebswellenende sitzenden Exzenterzapfen (51, 52) oder dergleichen enthält, und mit einem hin- und hergehend bewegbaren, mit dem Exzenterzapfen (51, 52) gekoppelten Einsatzwerkzeug (88, 188, 288) mit einem im Gehäuse (11) gehaltenen Einspannende (77) bestückbar ist, wobei zwischen dem Einsatzwerkzeug (88, 188, 288) und dem Exzenterzapfen (51, 52) ein Mitnehmer (68, 69) zur Bewegungsübertragung angeordnet ist, und wobei der Mitnehmer (68, 69) eine Bohrung (72, 72') aufweist, in die der Exzenterzapfen (51, 52) verdrehbar eingreift, wobei eine, vorzugsweise die werkzeugzugewandte, Lagerstelle (58) der Abtriebswelle (50) mit mindestens einem die Abtriebswelle (50) gegenüber dem Gehäuse (11) axial verstellbaren Stellmittel (56) in Wirkverbindung steht.
- Maschine nach Anspruch 3, dadurch gekennzeichnet, daß das Stellmittel (56) als, insbesondere mit einem Steilgewinde (57, 63), im Gehäuse (11) axial verstellbare Lagerbuchse (56) ausgestaltet ist.
- Maschine nach Anspruch 4, dadurch gekennzeichnet, daß als Steilgewinde die Lagerbuchse (56) an der Unterseite eines oberen, radialen Bundes (55) mindestens einen Ringkeil (57) trägt, dem ein gehäuseseitiger Gegen-Ringkeil (63) als Abstützfläche zugeordnet ist.
- Maschine nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß die Lagerbuchse (56) mit einer Verdrehsicherung (62) gegenüber dem Gehäuse (11) lagesicherbar ist.
- Maschine nach Anspruch 6, dadurch gekennzeichnet, daß die Verdrehsicherung als außenverzahnter Klemmring (62) ausgestaltet ist, der verdrehsicher, insbesondere innen mit mindestens einem Innenzahn (61) in mindestens eine Nut (59) auf der unteren Außenseite der Lagerbuchse (56) eingreift und die Lagerbuchse (56), insbesondere von der dem Ringkeil (57) zugewandten Seite her, übergreift.
- Maschine nach Anspruch 7, dadurch gekennzeichnet, daß sich der Klemmring (62) mit seiner Außenverzahnung an Vorsprüngen des Gehäuses (11), insbesondere an Nocken (67) am Boden der Öffnung (60) der Gehäuseschale (12), einrastend festhält.
- Maschine nach Anspruch 8, dadurch gekennzeichnet, daß sich eine Druckfeder (64) am Klemmring (62) abstützt und diesen gegenüber der Lagerbuchse (56) bzw. dem Gehäuse (11) festhält.
- Maschine nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, daß die Verdrehsicherung (62) auf einer, insbesondere werkzeugzugewandten, von außen zugänglichen Seite des Gehäuses (11) aus seiner Festhalteposition lösbar angeordnet ist.
- Maschine nach Anspruch 8, 9 oder 10, dadurch gekennzeichnet, daß eine Drucktaste (76) zum Lösen des Einsatzwerkzeugs (88) sich an der Druckfeder (64) abstützt, so daß diese zugleich als Rückstellfeder für den Mitnehmer (68) und die Drucktaste (76) dient, wobei die Drucktaste (76) gegen Herausfallen aus der Maschine (10) gesichert ist.
- Maschine nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Abtriebswelle (50) sich an der werkzeugfernen Seite axial federnd gegenüber dem Gehäuse (11) abstützt.
- Maschine nach Anspruch 11, dadurch gekennzeichnet, daß sich die Abtriebswelle (50) über eine federnd gelagerte, axialverschiebliche Kugel (46) gegenüber dem Gehäuse (11) abstützt.
- Maschine nach Anspruch 13, dadurch gekennzeichnet, daß in der oberen Gehäuseschale (12) eine Druckfeder (42) angeordnet ist, die einenends einen gehäuseseitigen Dorn (41) und andernends einen eine Stützscheibe (44) tragenden Zapfen (44') umgreift und sich über die Stützscheibe (44) gegenüber der Kugel (46) abstützt, die in einer stirnseitigen Ausnehmung (43) im oberen, werkzeugfernen Ende der Abtriebswelle (50) sitzt und über den Rand der Ausnehmung (43) hinausragt.
- Maschine nach Anspruch 14, dadurch gekennzeichnet, daß in der oberen Gehäuseschale (12) ein ringartiges Gleitlager (40) zur Lagerung des oberen Endes der Abtriebswelle (50) angeordnet ist, dessen Lauffläche (47) zumindest bereichsweise, konisch ausgestaltet ist, so daß Schieflagen der Abtriebswelle (50) gegenüber der Mittelachse des Gleitlagers (40) ausgeglichen werden.
- Maschine nach Anspruch 14, dadurch gekennzeichnet, daß die Lauffläche (47) des Gleitlagers (40) in ihrem oberen Bereich (47''), vorzugsweise über eine Länge von etwa 2 bis 3 mm, zylindrisch verläuft und sich nach unten daran anschließend in einen sich unter einem Winkel von etwa 5° öffnenden konischen, vorzugsweise etwa 7 mm langen Bereich (47') übergeht.
- Maschine nach einem der Ansprüche 3 bis 16, dadurch gekennzeichnet, daß der Mitnehmer (68, 69) durch Verschieben mittels einer Drucktaste (76, 176) außer Eingriff zum Einsatzwerkzeug (88, 188, 288) bringbar ist, wodurch das Einsatzwerkzeug (88, 188, 288) vom Antrieb getrennt und dadurch leicht entnehmbar ist.
- Maschine nach einem der Ansprüche 3 bis 17, dadurch gekennzeichnet, daß das Einsatzwerkzeug (88, 188, 288) in einer Längsführung (82) im Gehäuse (11) axialverschieblich führbar ist, wobei dessen flaches Einspannende (77) von Führungselementen (82) spielarm umgriffen wird.
- Maschine nach einem der Ansprüche 3 bis 18, dadurch gekennzeichnet, daß das Einsatzwerkzeug (88, 188, 288) aus einer durch eine Dichtkappe (86) abgedeckten Öffnung (34) des vorderen Bereichs des Gehäuses (11) herausragt, wobei sich die Dichtkappe (86), insbesondere dichtend, am Einsatzwerkzeug (88, 188, 288) abstützt.
- Maschine nach einem der Ansprüche 3 bis 19, dadurch gekennzeichnet, daß das Einsatzwerkzeug (88, 188, 288) eine quer zu seiner Bewegungsrichtung verlaufende Schneide trägt und als Meißel, Spachtel oder dergl. dient.
- Maschine nach einem der Ansprüche 3 bis 20, dadurch gekennzeichnet, daß eine der Gehäuseschalen (12, 14) ein eine Längsführung (82) umgreifendes, kastenartiges Profil mit einem hinten und vorn zum Durchtritt des Einsatzwerkzeugs (88, 188, 288) offenen Aufnahmetunnel (33) enthält.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19547332 | 1995-12-19 | ||
DE19547332A DE19547332A1 (de) | 1995-12-19 | 1995-12-19 | Elektrohandwerkzeugmaschine |
EP96934436A EP0868256B1 (de) | 1995-12-19 | 1996-10-26 | Elektrohandwerkzeugmaschine |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96934436A Division EP0868256B1 (de) | 1995-12-19 | 1996-10-26 | Elektrohandwerkzeugmaschine |
Publications (3)
Publication Number | Publication Date |
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EP0916456A2 EP0916456A2 (de) | 1999-05-19 |
EP0916456A3 EP0916456A3 (de) | 2002-09-25 |
EP0916456B1 true EP0916456B1 (de) | 2005-06-08 |
Family
ID=7780506
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP99103025A Expired - Lifetime EP0916456B1 (de) | 1995-12-19 | 1996-10-26 | Elektrohandwerkzeugmaschine |
EP96934436A Expired - Lifetime EP0868256B1 (de) | 1995-12-19 | 1996-10-26 | Elektrohandwerkzeugmaschine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP96934436A Expired - Lifetime EP0868256B1 (de) | 1995-12-19 | 1996-10-26 | Elektrohandwerkzeugmaschine |
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Country | Link |
---|---|
EP (2) | EP0916456B1 (de) |
JP (1) | JP2000501029A (de) |
CN (1) | CN1112982C (de) |
DE (3) | DE19547332A1 (de) |
WO (1) | WO1997022437A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29717071U1 (de) * | 1997-09-24 | 1999-02-04 | Robert Bosch Gmbh, 70469 Stuttgart | Handwerkzeugmaschine |
DE19844806B4 (de) * | 1998-09-30 | 2010-10-14 | Robert Bosch Gmbh | Handwerkzeugmaschine, insbesondere Schnursäge |
DE19938175B4 (de) * | 1999-08-16 | 2005-08-11 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem Führungslager für ein Einsatzwerkzeug |
DE19938161A1 (de) * | 1999-08-16 | 2001-03-01 | Bosch Gmbh Robert | Handwerkzeugmaschine |
DE19938176A1 (de) * | 1999-08-16 | 2001-03-08 | Bosch Gmbh Robert | Handwerkzeugmaschine |
DE19938162A1 (de) * | 1999-08-16 | 2001-03-01 | Bosch Gmbh Robert | Handwerkzeugmaschinensystem |
DE19939171A1 (de) | 1999-08-20 | 2001-03-08 | Bosch Gmbh Robert | Handwerkzeugmaschine |
DE20019375U1 (de) * | 2000-11-15 | 2001-03-01 | Scintilla Ag | Werkzeughalter |
DE10058894A1 (de) * | 2000-11-23 | 2002-06-06 | C & E Fein Gmbh & Co Kg | Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle |
US7980325B2 (en) * | 2004-01-16 | 2011-07-19 | Credo Technology Corporation | Rotating shaft locking mechanism |
CN201061862Y (zh) * | 2007-06-25 | 2008-05-21 | 南京德朔实业有限公司 | 一种电动磨削工具 |
US20090272556A1 (en) * | 2008-05-05 | 2009-11-05 | Ingersoll-Rand Company | Angle head and bevel gear for tool |
JP2010155291A (ja) * | 2008-12-26 | 2010-07-15 | Makita Corp | 電動工具 |
DE102010041938A1 (de) * | 2010-10-04 | 2012-04-05 | Robert Bosch Gmbh | Materialverteilungseinheit |
RU2013119819A (ru) * | 2010-10-04 | 2014-11-20 | Роберт Бош Гмбх | Осциллирующая ручная машина |
DE102010064363B4 (de) * | 2010-12-30 | 2021-12-16 | Robert Bosch Gmbh | Handwerkzeugmaschinenspannvorrichtung mit Verdrehsicherung |
CN104768712B (zh) * | 2012-08-27 | 2017-05-31 | 英格索尔-兰德公司 | 动力工具外壳构造 |
DE102013223819A1 (de) * | 2013-11-21 | 2015-05-21 | Robert Bosch Gmbh | Handwerkzeugmaschinengehäusevorrichtung |
CN103894672B (zh) * | 2014-03-28 | 2017-01-11 | 潘杭 | 一种板材竖直矩形槽开槽机 |
CN106424933B (zh) * | 2015-08-06 | 2018-06-19 | 南京德朔实业有限公司 | 往复锯 |
CN105855917B (zh) * | 2016-06-06 | 2018-01-05 | 石狮市川朗机械设计有限公司 | 一种带加工头且能往复运动的加工机构 |
CN106424932B (zh) * | 2016-11-17 | 2018-06-29 | 湖州峰霞五金贸易有限公司 | 一种受力平衡手锯 |
CN106346363B (zh) * | 2016-11-18 | 2018-05-01 | 常州市武进大成工贸有限公司 | 雕磨机 |
CN108000360B (zh) * | 2017-12-29 | 2024-03-15 | 宁波浙达技术服务有限公司 | 一种气动式打磨机 |
US11311952B2 (en) | 2018-01-31 | 2022-04-26 | Milwaukee Electric Tool Corporation | Reciprocating saw |
CN108406478A (zh) * | 2018-02-08 | 2018-08-17 | 浙江意达电器有限公司 | 高密封性高稳定性角向磨光机及其磨光方法 |
US11691261B2 (en) | 2020-06-02 | 2023-07-04 | Snap-On Incorporated | Housing clamp for a power tool |
CN111791194A (zh) * | 2020-06-30 | 2020-10-20 | 浙江动一新能源动力科技股份有限公司 | 一种电动工具壳体及电动工具 |
CN112353347B (zh) * | 2020-11-03 | 2023-01-03 | 青岛海泰新光科技股份有限公司 | 一种摄像手柄的楔形锁紧密封结构 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2705980A (en) * | 1953-09-08 | 1955-04-12 | Walter A Papworth | Portable power driven reciprocating and oscillating cutting tool |
US3203095A (en) * | 1963-07-29 | 1965-08-31 | Gen Electric | Power-operated knife |
US4311063A (en) * | 1980-06-02 | 1982-01-19 | The Singer Company | Bearing and bearing mount and tools incorporating same |
DE3448276C3 (de) * | 1984-08-01 | 1997-06-05 | Foell Remswerk | Stichsäge mit einer Klemmvorrichtung |
JPH0351540Y2 (de) * | 1985-08-02 | 1991-11-06 | ||
EP0548717A1 (de) * | 1991-12-21 | 1993-06-30 | Robert Bosch Gmbh | Handwerkzeugmaschine mit Winkelgetriebe |
DE4235278A1 (de) * | 1992-10-20 | 1994-04-21 | Bosch Gmbh Robert | Handwerkzeugmaschine, insbesondere Motorfeile |
WO1994014574A1 (en) * | 1992-12-21 | 1994-07-07 | Matricbrook Pty. Ltd. | Power driven ratchet wrench |
DE4342986C2 (de) * | 1993-12-16 | 1998-08-13 | Metabowerke Kg | Motorbetriebenes Handwerkzeug mit Riemenantrieb |
-
1995
- 1995-12-19 DE DE19547332A patent/DE19547332A1/de not_active Ceased
-
1996
- 1996-10-26 EP EP99103025A patent/EP0916456B1/de not_active Expired - Lifetime
- 1996-10-26 EP EP96934436A patent/EP0868256B1/de not_active Expired - Lifetime
- 1996-10-26 JP JP9513779A patent/JP2000501029A/ja not_active Abandoned
- 1996-10-26 DE DE59611234T patent/DE59611234D1/de not_active Expired - Fee Related
- 1996-10-26 WO PCT/DE1996/002044 patent/WO1997022437A1/de active IP Right Grant
- 1996-10-26 DE DE59609803T patent/DE59609803D1/de not_active Expired - Lifetime
- 1996-10-26 CN CN96199108A patent/CN1112982C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1112982C (zh) | 2003-07-02 |
WO1997022437A1 (de) | 1997-06-26 |
EP0868256A1 (de) | 1998-10-07 |
EP0868256B1 (de) | 2002-10-16 |
CN1205664A (zh) | 1999-01-20 |
DE59609803D1 (de) | 2002-11-21 |
EP0916456A2 (de) | 1999-05-19 |
EP0916456A3 (de) | 2002-09-25 |
DE19547332A1 (de) | 1997-06-26 |
DE59611234D1 (de) | 2005-07-14 |
JP2000501029A (ja) | 2000-02-02 |
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