EP0868264B1 - Outil a main electrique - Google Patents

Outil a main electrique Download PDF

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Publication number
EP0868264B1
EP0868264B1 EP96934437A EP96934437A EP0868264B1 EP 0868264 B1 EP0868264 B1 EP 0868264B1 EP 96934437 A EP96934437 A EP 96934437A EP 96934437 A EP96934437 A EP 96934437A EP 0868264 B1 EP0868264 B1 EP 0868264B1
Authority
EP
European Patent Office
Prior art keywords
driver
electric power
portable electric
tool according
insertable
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
Application number
EP96934437A
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German (de)
English (en)
Other versions
EP0868264A1 (fr
Inventor
Steffen Wuensch
Peter Stierle
Rudolf Fuchs
Joachim Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0868264A1 publication Critical patent/EP0868264A1/fr
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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
    • 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
    • B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor

Definitions

  • the GB-A 2 271 736 is a generic hand tool known whose file-like insert tool by an eccentric shaft over a driver is driven backwards.
  • Bores of the insert tool and the driver engaging detachable pin-like clamping means that from can be moved outside into the clamping and releasing position using the control device are, but also the movement of the driver and must follow the application tool. This makes the clamping devices for coupling the insert tool with the driver relatively expensive to manufacture and in the operation of Hand machine tool exposed to considerable wear.
  • the electric hand machine tool according to the invention with the characterizing features of claim 1 has the advantage that the clamping device from only a few, inexpensive individual parts exist with which the insert tool conveniently with operational in a few simple steps with the driver connectable and thus also quickly detachable or replaceable is.
  • the fact that the driver can be brought out of engagement with the insert tool by moving, as a result of which the insert tool is separated from the drive and can be easily removed, can be operated with simple means, namely via a push button with which the driver can be moved by hand.
  • This means is particularly simple and convenient in that the push button is supported on the driver and is guided in the same direction as it can be moved into the release position in the housing.
  • the push button has snap hooks, with which it secures itself against falling out against the direction of actuation in the interior of the housing, and radial ribs, with which it is supported axially on the driver, so that it is particularly light as a thin hollow body with multiple integrated spring means.
  • the push button is held by locking means in the release position for the insert tool against the housing and the locking means can be released by the tool when it is inserted, the push button does not have to be held down during the insertion of the tool.
  • the disengaging function of the pushbutton is achieved particularly simply by carrying latching means designed as latching hooks which overlap an edge inside the housing when the pushbutton is released.
  • the driver is designed in the form of a circular disk, the bore and the projection being arranged in alignment with one another, it is structurally particularly simple and inexpensive.
  • the recess of the clamping end of the insert tool is an elongated hole which extends transversely to the direction of movement and has essentially the same diameter in the direction of movement as the projection of the driver.
  • a further advantageous embodiment of the driver results if the recess of the clamping end of the insert tool also has a larger diameter in the direction of movement than the projection engaging therein.
  • the driver is configured as a connecting rod with a a head that has a projection becomes its unwanted one Avoid turning inside the housing and a special one quiet, low-wear running of the hand tool achieved, the head in the notch of the longitudinal guide dampens vibrations is led.
  • the insert tool is in the area of its clamping end a longitudinal guide precise and low-friction and thus the drive and the housing of work-related lateral forces as well resulting relieving changes in friction, by the longitudinal guide the flat clamping area of the insert tool and when machining, i.e. Scraping, secures against twisting.
  • the longitudinal guide is immovable as a separate body Arranged inside the case once the case shells are screwed together.
  • the longitudinal guide is supported in the direction of movement of the inserted tool against one Front wall of one of the housing shells and is therefore captive and free of play but also easily replaceable, held because the longitudinal guide after easy Lift off the housing shells in the front area can be removed from the housing.
  • the longitudinal guide is a separate body, it takes the cassette-like over the shaft of the insert tool bending forces transmitted to the housing on and forwards this over a large area to the housing, so that Housing only exposed to low bending and twisting forces is and can be carried out in lightweight construction.
  • Rolling elements at both ends of the guide slot of the longitudinal guide reduce the wear or the friction between the Longitudinal guide and the tool, in that there is only roll station is permitted by sliding friction.
  • a rolling element designed as a needle above the guide slot and on the side facing away from the opening Side a rolling element designed as a needle below the guide slot is tilting the Tool shank excluded and rolling friction instead secured by sliding friction.
  • a sealing cap covers the opening of the front area of the Housing through which the shaft of the insert tool passes and serves as a sliding guide and vibration damping for the application tool.
  • the insert tool can be a chisel, scraper, or spatula the like made of metal, e.g. Tungsten carbide or HSS steel. It is versatile, e.g. to carve, to remove of paint, wallpaper, carpet glue, foam backing, needle felt, PVC, also for cleaning work, e.g. Remove from Dirt residues such as glue and glue drops, plaster, plaster, Filler, putty, paint and silicone residues as well as mortar and concrete residues on building boards. After all, you can also use it Surface preparations are carried out, e.g. screed and concrete preparation, smoothing caterpillars and noses, grouting of cracks, removal of tile adhesive.
  • the insert tool has a flat, in particular rectangular, cross-section that in a Longitudinal guidance, especially in a flat slot, can be performed is and elastic, leaf spring-like, bending forces when scraping receives. This prevents the insert tool from rotating its longitudinal axis is secured and springs when the scraper is in operation between the workpiece and the operator.
  • the invention is based on exemplary embodiments shown in the drawing in the description below explained.
  • FIG. 1 shows an exploded view of an exemplary embodiment the electric hand machine tool according to the invention in, Figure 2a the area designated by II in Figure 1 assembled in longitudinal section, Figure 2b the front Bearing of the drive shaft according to FIG. 2a as a detail, Figure 3, belonging to III, belonging together Parts shown in Figure 1 enlarged, Figure 4a Part of a further embodiment of the invention Electric hand machine tool in longitudinal section, Figure 4b the detail of the front bearing of the drive shaft 2b, FIG. 5 an exploded view analogous to FIG. 4 parts of the machine tool according to FIG. 4a, Figures 6 and 7 are a spatial view and a plan view one for the electric hand machine tool according to FIGS.
  • Figure 8 is an exploded view the longitudinal guide with rolling elements
  • Figure 12 is a longitudinal section of another Example of execution of a scraper before inserting the Insert tool
  • Figure 13 with the scraper according to Figure 12 insert tool
  • Figure 14 the button to release of the insert tool from the clamping of the scraper as Detail.
  • FIG. 1 shows an exploded view and the figure 2a shows a partial longitudinal section of an electric hand machine tool for scraping machining of workpieces, briefly as scrapers Designated 10.
  • Whose cylindrical housing 11 is made of two Housing shells 12, 14 made of plastic.
  • the housing 11 has a thickening 30 and in its rear area in its front area one opposite the housing axis inclined neck 32. Between the neck 32 and the thickening 30, the housing is designed as a handle 28.
  • the housing shells 12, 14 can be connected to one another by screws 26.
  • An electrical cable (not shown) can be attached to the housing 11 secured by a further screw 24 secured with a clamp become.
  • a motor 16 is located inside the housing 11 arranged with a fan wheel 18, the drive shaft 19th stored in a ball bearing 20 and with a tapered Pinion 22 is rotatably connected.
  • the pinion 22 meshes with one supported by an output shaft 50 in a rotationally fixed manner conical ring gear 48, the axis of rotation 36 at right angles to Drive shaft 19 extends.
  • the bearing point of the output shaft 50 remote from the tool exists from a ring-shaped into a cylindrical bearing seat 38 the housing shell 12 insertable plain bearing 40, one Compression spring 42, a disc 44 and a ball 46, which in a central recess 43 in the upper end of the Output shaft 50 is mounted.
  • the bearing near the tool of the output shaft 50 exists from an annular bearing bush 56, an annular disc 54 and a roller bearing or needle bearing 58.
  • Eccentric pin 52 with an eccentric axis 53 passes through Bearing bush 56, with its free end from above into one Bore 72 of a connecting rod-like driver 68 engages is supported axially downward on a pushbutton 76.
  • the distance between the eccentric axis 53 and the axis of rotation 36 determines the eccentricity, being double eccentricity determines the stroke h of the eccentric pin or the driver 69 (Fig. 7).
  • the Anti-rotation lock designed as an adjusting washer or clamping ring 62 is for positive engagement around the bearing bush 56 educated.
  • the push button 76 closes a dust-tight 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 arranged upper plastic shell 12 and overlaps the outer Front 82 'of the longitudinal guide 82 partially and secures this prevents accidental emergence from the opening 34 or against losing.
  • the longitudinal guide 82 is the Shaft 89 of the insert tool 88 straight, slidable back and forth guided.
  • the driver 68 engages with a Pin-shaped projection 70 rotatable from above into a circular recess 90 of the clamping end 77 of the shaft 89 of the insert tool 88.
  • Figures 2a and 3 show that for low-friction, better Bearing of the eccentric pin 52 of the driver 68 in its Bore 72 for the passage of the eccentric pin 52 a roller bearing 73, in particular needle bearings.
  • the one with the recess 90 cooperating tab 70 is at a distance arranged axially parallel to the bore 72 or to the roller bearing 73.
  • Figure 2a shows that the free end of the shaft 89 at the edge of the federal government 71 'of the driver 68 of the bore 72 for the eccentric pin 52 is present.
  • the projection 70 also serves here as a securing of the insert tool 88 against loss, whereby also the collar 71 'on the movement of the eccentric pin 52 the clamping end 77 could transmit.
  • the recess 90 in the clamping end 77 is exactly aligned with the Projection 70 of the driver 68 positioned. This makes it easier the insertion of the insert tool 88 because the good tactile impact of the insert tool 88 on the collar 71 ' Snapping the projection 70 into the recess 90 is secure, so that the exact clamping position of the insert tool 88 is reached and the push button 76 can be released.
  • Figures 1 to 3 show that the driver 68th guided along the eccentric pin 52, axially resiliently displaceable is mounted and that the projection 70 of the driver 68 out of engagement with its axial displacement the recess 90 of the insert tool 88 are brought can, so that the drive from the insert tool 88th is separable. If this is the case, the application tool can then be used 88 can be easily removed and replaced by hand.
  • the driver 68 is on the fingers of the operating hand sliding pushbutton 76 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 - slidable in the Housing shell 14 mounted, the push button 76 in the same direction as the carrier 68 on which it is supported, movable is.
  • a Compression spring 64 arranged at one end over an washer 66 supported on the driver 68 or the push button 76 and return it to its starting position.
  • the compression spring 64 is supported against the driver 68.
  • the Washer 66 prevents the reciprocating movement of the driver 68 transferred to the compression spring 64 becomes.
  • the push button 76 means inside the housing shell 14 snap hooks 75, 79th is secured against falling out.
  • To support against the rod-like driver 68 carries the push button 76 radial Ribs 8 and 9.
  • the insert tool 88 is in an area between its a cutting end working end 92 and its clamping end 77 guided in the longitudinal guide 82.
  • the longitudinal guide 82 is so designed, see also Fig. 8, that the flat Grips shaft 89 of the insert tool 88 like a cassette and thereby absorbs the lateral forces that occur during work.
  • the longitudinal guide 82 can be used as in the housing 11 Cubes or cuboids with a continuous, flat, rectangular guide slot 67, see Figures 3 and 8, for the passage of the shaft 89 of the insert tool 88 designed.
  • the longitudinal guide 82 faces the driver 68 facing side a notch 83 on the into the recess 90 of the clamping end 77 of the insert tool 88 gripping head 65 of the driver 68 centered the one that engages in the clamping end 77 of the insert tool 88 and carries this driving projection 70.
  • the longitudinal guide is 82 and 87, respectively pass through a transverse recess 81. Escapes to this in the lower housing shell 14 through a recess 81 ' the 88 lubricant introduced when the tool is not used or through them with a screwdriver the connection between the two plastic shells 12, 14 can be produced or solved.
  • the longitudinal guide 87 has 69 due to the design of the driver 69 as a circular disc in contrast to the longitudinal guide 82, no notch 83rd
  • the longitudinal guide 82 or 87 does not have to be shaped like a cuboid but can also be a different one as required have external design.
  • FIG. 2b shows the upper bearing of the Output shaft 50 in the housing 11 as a detail, the Compression spring 42, the central recess 43, the disc 44, the ball 46 and the upper region of the output shaft 50 are clearly recognizable.
  • Figures 1 to 5 show that the tool facing Bearing point of the output shaft 50 through the roller bearing 58 bearing bushing 56 is formed, which has a like a helical wedge acting on a Mating ring wedge, not shown, of the housing shell 14 is axially adjustable after releasing the anti-rotation device 62 and die, - after removing the key 76 and the driver 68 -, from the outside e.g. for a wrench or the like is accessible.
  • the bearing bush 56 could have an external thread instead of the ring wedge 57 wear that in a suitable housing-side counter thread should be screwable.
  • the anti-rotation device 62 of the bearing bush 56 is externally toothed Clamping ring designed, with two on the inside arranged radial springs 61 in two opposite Grooves 59 on the lower outside of the bearing bush 56 takes hold.
  • the compression spring is supported on the anti-rotation device 62 64 from which they are axially opposite the bearing bush 56 or biased against the housing 11 and thus holds.
  • the anti-rotation device 62 i.e. the clamping ring is over an external toothing with the housing shell 14, in particular with housing-side, not shown, between the external teeth of the clamping ring 62 matching cams, rotatably connected and thus secures the bearing bush 56 against twisting.
  • the tool 88 or 188 exits the opening 34 of the front covered by a sealing cap 86 Area of the housing 11.
  • a knife guard 94 can be placed, which secures the cutting edge against damage and operators especially when transporting the scraper 10 protects against injury from the cutting edge.
  • a driver 69 as a perforated disc trained - in contrast to that according to the figures 1 to 3 connecting rod-shaped driver 68.
  • the driver 69 engages an eccentric pin 51 of the output shaft 50, which is significantly shorter as the eccentric pin 52 according to Figures 1 to 3. This a shorter dimension is necessary because the eccentric pin 51 except for direct engagement with the recess 91 of the clamping end of the insert tool 188, thereby the insert tool 188 across the eccentric pin 51 - over the latter free end can be pushed past - can be removed.
  • the slot-like recess 91 is arranged near the free end of the clamping end 77, wherein their longitudinal extent transverse to the direction of movement of the tool 188 runs and at least twice the eccentricity of the eccentric pin 51 the stroke h is longer than that Diameter of the eccentric pin 51.
  • the width of the elongated hole 91 is dimensioned so that the projection 71 without play in it can intervene.
  • the shaft 89 of the insert tool 188 according to FIG Figure 4a is longer than that of Figure 2a because the point of engagement to the driver 69 further inside the Housing 11 is located, but the position of the cutting edge opposite the opening 34 of the housing 11 with that of the exemplary embodiments 2a, 3 should match.
  • Figures 6, 7 show an insert tool 288 of the scraper 10 according to Figures 1 to 3.
  • the insert tool 288 a recess 93 in the clamping end 77, the as an elongated hole extending longitudinally to the direction of movement is designed, the width of the outer diameter of the in cross section circular pin 70 is coordinated. His Longitude is plentiful around the stroke h or double Eccentricity of the eccentric pin 52 larger than that Outer diameter of the eccentric pin 52 Motor 16 the tool 288 only then back and forth moving or driven when moving from a frontal attacking force is applied, so that the projection 70 entraining on the front edge 193 of the recess 90 can support.
  • FIG. 8 shows the longitudinal guide 82 according to the enlargement Figure 1.
  • the longitudinal guide 82 carries similar to a needle bearing Rolling elements 78 and 84, which are in front of and behind the rectangular, flat guide slot 67 are arranged and on which are rolling tools 88, 188, 288, 388, 488 and 588 can support.
  • the rolling elements 78 and 84 are in corresponding Slits 85 of the longitudinal guide 82 stored.
  • the cooperation between the longitudinal guide 82 and the Connecting rod-like carriers 68 are shown in FIGS. 1, 2a, 3 and 7.
  • the driver 68 has the projection 70 carrying Head part 65, in the notch serving as a guide slot 83 of the longitudinal guide 82 snaps into place. Thereby it is ensured that the head 65 and thus the driver 68 is guided within the housing 11 even when the Scraper 10 is not equipped with a tool 88, 288 and when the engine 16 is started in this state.
  • FIGS 9, 10 and 11 each show an insert tool that as chisel 388, broad scraper 488, spatula 588 are designed for use with the scraper 10 according to FIG Figures 4a and 5.
  • FIG. 12 shows a scraper 100 according to the invention, the largely coincides with that according to Figures 1, 2a and 3.
  • the main difference is a push button 176 determines that on their tool-side, next to the snap hook 175, 179 carries two latching hooks 177, 178.
  • the Latching hooks 177, 178 reach axially upwards into the Release position of shifted pushbutton 176 over an edge 101 of the housing 111 and hold the Pushbutton 176 firmly.
  • FIG. 13 shows the scraper 100 according to FIG. 10 after insertion of the insert tool 188, the push button 176 in their starting position has moved back down and the Projection 170 of driver 168 into recess 93 attacks.
  • the projection 170 automatically snaps into the recess one, acted upon by spring 164 once the end 77 'of the clamping end 77 of the tool 288 on the collar 71' of the Driver 168 strikes.
  • the longitudinal guide is clearly visible in FIGS. 12 and 13 82 in longitudinal section, with the needle 84 at the front above of the guide slot 67 and behind the needle 78 below of the guide slot 67 mounted in the longitudinal guide 82 are so that the shaft 89 of the tool 288 is tilted through the over the working end 92 or the cutting edge of the insert tool 88 to 588 initiated forces when working excluded with the electric hand machine tool and being Rolling friction is ensured instead of sliding friction.
  • FIG. 14 shows the push button 176 with the locking hooks 177, 178 as a detail, with those not specified in more detail Snap hooks are recognizable.
  • eccentric drive between the The motor and the tool can also use other known variants used by eccentric drives for this purpose around the rotary motion of the motor in a reciprocating motion of the tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Claims (24)

  1. Machine électroportative (10, 100) comportant un corps (11, 111) logeant un moteur (16) ainsi qu'un arbre moteur (50) et un excentrique (51, 52) en forme de téton excentré, ayant un outil interchangeable (88, 188, 288, 388, 488, 588), couplé à l'excentrique (51, 52) et mobile en va-et-vient, ayant une extrémité d'insertion (77) placée dans le boítier (11, 111) et comportant une découpe (90, 91, 93),
    avec entre l'outil interchangeable (88, 188, 288, 388, 488, 588) et l'excentrique (51, 52), un organe d'entraínement (68, 69) pour transmettre le mouvement, qui coopére avec un moyen de couplage (72, 72'), notamment réalisé sous la forme d'un perçage, en rotation avec l'excentrique (52), tandis que l'organe d'entraínement (68, 69) comporte une saillie (70, 71) notamment réalisée sous la forme d'un téton, venant prendre dans la cavité (90, 91, 93) de l'extrémité l'insertion (77) de l'outil interchangeable (88, 188, 288, 388, 488, 588), d'une manière amovible,
    caractérisée en ce que
    l'organe d'entraínement (68, 69) entoure avec son moyen de couplage en forme de perçage (72, 72'), l'excentrique réalisé sous la forme d'un téton excentré (51, 52), et peut coulisser longitudinalement par rapport à celui-ci de préférence en étant guidé le long de celui-ci.
  2. Machine électroportative selon la revendication 1,
    caractérisée en ce que
    l'organe d'entraínement (68, 69) peut être mis par coulissement axial hors de prise de l'outil interchangeable (88, 188, 288, 388, 488, 588), cet outil (88, 188, 288, 388, 488, 588) étant séparé de l'entraínement pour pouvoir s'extraire facilement du boítier (11, 111).
  3. Machine électroportative selon la revendication 2,
    caractérisée par
    un bouton poussoir (76, 176) permettant de coulisser axialement à la main l'organe d'entraínement (68, 69).
  4. Machine électroportative selon la revendication 3,
    caractérisée en ce que
    le bouton poussoir (76, 176) s'appuie sur l'organe d'entraínement (68, 69) et est guidé de manière coulissante dans le boítier (11, 111) vers la position de dégagement.
  5. Machine électroportative selon la revendication 4,
    caractérisée en ce que
    le bouton poussoir (176) comporte des crochets (177, 178) qui se fixent dans la position de dégagement, par rapport au boítier (111) notamment en passant sur une arête (101) à l'intérieur du boítier (111) et les crochets de retenue (177, 178) sont dégagés de l'outil interchangeable (288) lors de sa mise en place dans la machine ou racleur (100),
    et ensuite lorsque l'outil (288) atteint sa position de fin de course, l'organe d'entrainement (68) passe automatiquement en position de serrage et le bouton poussoir (176) revient dans sa position de repos.
  6. Machine électroportative selon la revendication 5,
    caractérisée en ce qu'
    entre l'organe d'entraínement (68, 69) et le boítier (11, 111), essentiellement dans l'alignement de l'arbre de sortie (50), il est prévu un ressort (64) notamment appuyé par des rondelles annulaires (66) qui rappelle l'organe d'entraínement (68, 69) dans sa position de repos et ainsi le bouton poussoir (76, 176) par le ressort (64).
  7. Machine électroportative selon l'une quelconque des revendications 2 à 6,
    caractérisée en ce que
    l'organe d'entraínement (68) porte dans le perçage (72), un palier de roulement (73), notamment un palier à aiguille, pour le passage de l'excentrique (52).
  8. Machine électroportative selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que
    l'organe d'entraínement (69) a la forme d'un disque circulaire, le perçage (72') et la saillie (70) étant alignés.
  9. Machine électroportative selon la revendication 8,
    caractérisée en ce que
    la cavité (91) à l'extrémité d'insertion (77) de l'outil interchangeable (188) est un trou oblong s'étendant transversalement à la direction de déplacement, et dont le diamètre est supérieur d'au moins le double de l'excentricité de l'excentrique (51), à celui de la saillie (71) qui y pénètre.
  10. Machine électroportative selon la revendication 9,
    caractérisée en ce que
    la cavité (91) de l'extrémité d'insertion (77) de l'outil interchangeable (188) présente dans la direction de déplacement, un diamètre augmenté d'au moins du double de l'excentricité de l'excentrique (51) par rapport à la saillie (71) qui pénètre dans cette cavité.
  11. Machine électroportative selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que
    l'organe d'entraínement (68) est allongé en forme de bielle et comporte à une extrémité le perçage (72) et à l'autre extrémité la saillie (70) qui sont notamment d'axe parallèle.
  12. Machine électroportative selon la revendication 11,
    caractérisée en ce que
    la cavité (90) de l'extrémité d'insertion (77) est circulaire et la saillie (70) de l'organe d'entrainement (68) y est logée pratiquement sans jeu.
  13. Machine électroportative selon la revendication 11,
    caractérisée en ce que
    la cavité (93) de l'extrémité d'insertion (77) a la forme d'un trou oblong s'étendant dans la direction longitudinale correspondant à la direction de déplacement de l'outil interchangeable (288), et dont la longueur est supérieure au diamètre extérieur de la saillie (70, 71) d'au moins le double de l'excentricité ou de la course (h) de l'excentrique (52), et la saillie (70, 71) est guidée de manière articulée pratiquement sans jeu transversal dans cette cavité.
  14. Machine électroportative selon l'une quelconque des revendications 1 à 13,
    caractérisée en ce que
    l'outil interchangeable (88, 188, 288, 388, 488, 588) est guidé de manière coulissante dans un guidage longitudinal (82) du boítier (11, 111) et son extrémité d'insertion (77), plate, est alors entourée pratiquement sans laisser de jeu.
  15. Machine électroportative selon la revendication 14,
    caractérisée en ce que
    le guidage longitudinal (82) est une pièce distincte, qui se place solidairement dans le boítier (11, 111) notamment un cube ou un parallélépipède ou un moyen analogue, ayant une fente de guidage (67) traversante, notamment rectangulaire, pour le passage de l'outil interchangeable (88, 188, 288, 388, 488, 588).
  16. Machine électroportative selon la revendication 15,
    caractérisée en ce que
    le guidage longitudinal (82) porte aux deux extrémités de la fente de guidage (67), des organes de roulement (78, 84) contre lesquels l'outil interchangeable (88, 188, 288) s'appuie en roulant.
  17. Machine électroportative selon la revendication 16,
    caractérisée en ce que
    le guidage longitudinal (82) comporte sur son côté tourné vers l'ouverture (34), un organe de roulement en forme d'aiguille (84) au-dessus de la fente de guidage (67) et sur le côté opposé à l'ouverture (34), un organe de roulement en forme d'aiguille (78), en dessous de la fente de guidage (67).
  18. Machine électroportative selon la revendication 17,
    caractérisée en ce que
    l'organe d'entraínement (68) pénètre notamment avec sa tête (65) dans une encoche (83) en étant guidé de manière articulée et bloqué en rotation dans le guidage longitudinal (82).
  19. Machine électroportative selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    l'outil interchangeable (88, 188, 288, 388, 488, 588) sort d'une ouverture (34) recouverte d'un capuchon d'étanchéité (86) dans la zone avant du boítier (11, 111), et le capuchon d'étanchéité (86) est appuyé notamment de manière étanche contre l'outil interchangeable.
  20. Machine électroportative selon l'une quelconque des revendications 1 à 19,
    caractérisée en ce que
    l'outil interchangeable (88, 188, 288, 388, 488, 588) comporte une arête dirigée transversalement à sa direction de mouvement et constitue un ciseau ou une spatule ou un organe analogue.
  21. Outil interchangeable pour une machine électroportative selon la revendication 1,
    caractérisé en ce que
    la tige (89) de l'outil (88, 188, 288, 388, 488, 588) présente une section plate notamment rectangulaire guidée principalement sans jeu dans un guidage longitudinal (82), dans une fente de guidage plate (67).
  22. Outil interchangeable pour une machine électroportative selon la revendication 21,
    caractérisé en ce que
    la cavité (91) de l'extrémité d'insertion (77) de l'outil (188) est un trou oblong dirigé transversalement à sa direction de déplacement, pour recevoir de manière articulée la saillie (71) de l'organe d'entraínement (69) et qui est plus long d'au moins la longueur (h) de la course que le diamètre de la saillie (71).
  23. Outil interchangeable pour une machine électroportative selon la revendication 21,
    caractérisé en ce que
    la cavité (90) de l'extrémité d'insertion (77) de l'outil interchangeable (88) est circulaire et son diamètre est au moins égal à celui de la saillie (70) de l'organe d'entraínement (68).
  24. Outil interchangeable pour une machine électroportative selon la revendication 21,
    caractérisé en ce que
    la cavité (93) à l'extrémité d'insertion (77) de l'outil interchangeable (288) est un trou oblong s'étendant longitudinalement dans la direction de mouvement de l'outil interchangeable (288), et sa longueur est d'au moins la course (h) de l'excentrique (52) supérieure au diamètre extérieur de la saillie (70), et cette cavité reçoit pratiquement sans jeu la saillie (70).
EP96934437A 1995-12-19 1996-10-26 Outil a main electrique Expired - Lifetime EP0868264B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19547331 1995-12-19
DE19547331A DE19547331A1 (de) 1995-12-19 1995-12-19 Elektrohandwerkzeugmaschine
PCT/DE1996/002045 WO1997022444A1 (fr) 1995-12-19 1996-10-26 Outil a main electrique

Publications (2)

Publication Number Publication Date
EP0868264A1 EP0868264A1 (fr) 1998-10-07
EP0868264B1 true EP0868264B1 (fr) 2002-01-09

Family

ID=7780505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96934437A Expired - Lifetime EP0868264B1 (fr) 1995-12-19 1996-10-26 Outil a main electrique

Country Status (5)

Country Link
EP (1) EP0868264B1 (fr)
JP (1) JP2000501030A (fr)
CN (1) CN1070406C (fr)
DE (2) DE19547331A1 (fr)
WO (1) WO1997022444A1 (fr)

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DE102014203328A1 (de) 2014-02-25 2015-08-27 Robert Bosch Gmbh Handwerkzeugmaschine mit einem Bearbeitungswerkzeug und einem elektromotorischen Antrieb

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DE19800045B4 (de) * 1997-02-27 2006-08-31 Robert Bosch Gmbh Schwingschleifer
DE19820873A1 (de) * 1998-05-09 1999-11-11 Bosch Gmbh Robert Elektrohandwerkzeugmaschine, insbesondere Handschleifmaschine
US7143841B2 (en) * 2001-10-10 2006-12-05 Black & Decker Inc. Belt clip for hand-held power tools
US6886614B2 (en) 2002-05-16 2005-05-03 Hunt Holdings, Inc. Pencil sharpener
DE10326472B4 (de) * 2003-06-12 2006-03-09 Hilti Ag Verbindungselement zum Verbinden eines Handgriffs mit einem Gehäuseteil und einem Getriebegehäuse eines Elektrohandgeräts
SE530075C2 (sv) 2006-09-22 2008-02-26 Krokoms Vaegkrog Ab Färgskrapa
DE102011075692A1 (de) * 2011-05-12 2012-11-15 Robert Bosch Gmbh Schleif- bzw. Schneidwerkzeug für eine Werkzeugmaschine mit Oszillationsantrieb
JP6217051B2 (ja) * 2012-07-03 2017-10-25 アトラス・コプコ・インダストリアル・テクニーク・アクチボラグ 動力工具
KR101454438B1 (ko) * 2013-10-10 2014-10-27 삼성중공업 주식회사 페인트 제거 장치
CN104400601B (zh) * 2014-10-29 2017-02-15 芜湖赛德交通设备有限公司 一种纵向往复移动式打磨机
DE102015225381A1 (de) * 2015-12-16 2017-06-22 Robert Bosch Gmbh Getriebevorrichtung
CN106906990B (zh) * 2017-04-29 2017-11-21 胡一帆 一种基于电机驱动用于室内装潢的腻子刀
CN109397202B (zh) * 2018-11-30 2023-10-20 张家港市创基机械设备制造有限公司 换头工具中的连接结构
CN109570089A (zh) * 2018-12-29 2019-04-05 汽-大众汽车有限公司 一种电动除胶工具
JP7218792B2 (ja) * 2019-02-28 2023-02-07 工機ホールディングス株式会社 作業機
TWI743694B (zh) * 2020-02-27 2021-10-21 蔡育臻 磁磚刮刀結構改良
CN111360710B (zh) * 2020-04-22 2025-01-24 郑伟 快速装夹砂纸的模型制作用多功能打磨板
CN112589739B (zh) * 2020-12-25 2024-12-13 锐奇控股股份有限公司 手持式多功能机
TWI835237B (zh) * 2022-08-05 2024-03-11 陳佩青 鋼絲刷轉接座
CA224578S (en) * 2023-03-28 2024-10-16 Arbortech Pty Ltd Conrod for reciprocating cutting tool
USD1088070S1 (en) * 2023-03-28 2025-08-12 Arbortech Pty Ltd. Blade mounting block for reciprocating cutting tool

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Also Published As

Publication number Publication date
CN1070406C (zh) 2001-09-05
DE19547331A1 (de) 1997-06-26
CN1205665A (zh) 1999-01-20
DE59608572D1 (de) 2002-02-14
WO1997022444A1 (fr) 1997-06-26
JP2000501030A (ja) 2000-02-02
EP0868264A1 (fr) 1998-10-07

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