EP0610801B1 - Outil à main de surfaçage - Google Patents

Outil à main de surfaçage Download PDF

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Publication number
EP0610801B1
EP0610801B1 EP94101587A EP94101587A EP0610801B1 EP 0610801 B1 EP0610801 B1 EP 0610801B1 EP 94101587 A EP94101587 A EP 94101587A EP 94101587 A EP94101587 A EP 94101587A EP 0610801 B1 EP0610801 B1 EP 0610801B1
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EP
European Patent Office
Prior art keywords
grinding plate
toolholder
hand
power tool
tool according
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
EP94101587A
Other languages
German (de)
English (en)
Other versions
EP0610801B2 (fr
EP0610801A1 (fr
Inventor
Steffen Dipl.-Ing. Wünsch
Joao Dipl.-Ing. Bergner
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to EP95118775A priority Critical patent/EP0710527B1/fr
Priority claimed from EP95118775A external-priority patent/EP0710527B1/fr
Publication of EP0610801A1 publication Critical patent/EP0610801A1/fr
Application granted granted Critical
Publication of EP0610801B1 publication Critical patent/EP0610801B1/fr
Publication of EP0610801B2 publication Critical patent/EP0610801B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention is based on a hand tool according to the preamble of claim 1.
  • US 3 160 995 discloses a hand tool for grinding surfaces close to the edge, in particular in corners or along fillets.
  • the hand tool has a sanding plate with a triangular base. Its working movement swings back and forth about a fixed axis that is normal to the base. The axis penetrates the grinding disc geometrically near a forward-facing corner.
  • the angle of the corner in the front area of the sanding plate is less than 90 °, so that the sanding plate can be used for sanding in the outermost, near-edge areas of corners or fillets.
  • the plan of the sanding plate designed as an equilateral triangle, like an iron with curved side edges, has, like all such triangles, three corner angles, each less than 90 °.
  • hand-held machine tools with a rectangular grinding plate which, by means of an eccentric drive, perform a tied, circular movement.
  • These hand-held machine tools are referred to as orbital sanders, although their tool does not actually perform any oscillating movement.
  • the known hand machine tools are powerful but relatively expensive to build. They have a high weight, a high energy requirement, a high level of noise and need to change tools, i.e. Changing the sanding plate, an auxiliary tool.
  • DE-U-92 05 338 discloses a polygonal shaped grinding plate for a hand-held grinding machine, which carries a special suction housing for dust extraction.
  • This suction housing has suction openings arranged on the outside of the sanding plate, through which only the grinding dust in the edge region of the sanding plate can be suctioned off. This leads to unsatisfactory suction results, since the sanding dust remains under the sanding plate.
  • the suction housing is an additional part that can be unscrewed.
  • the hand tool according to the invention with the characterizing features of claim 1 in contrast, has the advantage of simple design, low noise, low energy requirements, simple manufacture, small moving masses, convenient quick change of the tool, in particular the sanding sheet together with the grinding plate, without auxiliary tools.
  • FIG. 1 shows the side view of a hand tool according to the invention
  • 2 shows a plan view of the hand-held power tool according to FIG. 1
  • FIG. 3 shows an enlarged detail of the front region of the hand-held power tool according to FIG. 1
  • FIG. 4 shows a top view of the tool holder
  • FIGS. 5 and 6 oscillating elements of the tool holder according to FIG. 4
  • FIG. 7 shows a side view of FIG. 4 in particular the vibrating elements
  • FIG. 8 is a view of the grinding plate from below
  • FIG. 9 is a side view of the grinding plate, according to FIG. 8, in section
  • FIG. 10 is a bellows for dust extraction to be coupled with the tool holder
  • FIG. 10 is a bellows for dust extraction to be coupled with the tool holder
  • FIG. 11 is a side view of the tool holder from the side of the bellows 12 shows a view of the tool holder from below
  • FIG. 13 shows a top view of a further embodiment of a grinding plate
  • FIG. 14 shows the side view of the grinding plate according to FIG. 13.
  • the electric hand machine tool shown in FIG. 1 is designed as an orbital sander 1, which has a machine housing 2 in which a motor 3 is arranged.
  • the orbital sander 1 carries an on / off switch 4 at the top, in particular for operation with the thumb.
  • a motor control adjusting wheel 5 is arranged in the rear area of the machine housing 2.
  • An electrical connection line 6 with a protective sleeve 7 emerges from the rear of the machine housing 2.
  • the orbital sander 1 carries a sanding plate 8 for receiving sanding sheets (not shown), which is detachably attached to a tool holder 9 in a latching manner.
  • Rotations of the motor 3 are transmitted to the tool holder 9 and thus to the grinding plate 8 by a flexible shaft 10, which is guided in the machine housing 2 via a lateral vibration limitation 11.
  • the flexible shaft 10 ends at one end in an eccentric pin 12, with which it is on the one hand via a needle bearing 13 on the tool holder 9 and on the other hand via a lower roller bearing 14 on the machine housing 2 is rotatably supported near the tool holder 9 and facing it.
  • the flexible shaft 10 is coupled to a motor shaft (not explained in more detail) via a plug-in coupling 15.
  • the flexible shaft 10 is rotatably mounted in an upper roller bearing 16 in the machine housing 2.
  • the tool holder 9 is secured via leaf spring-like oscillating elements 17, 18 on the machine housing 2 against loss and against rotation.
  • a bellows 21 is arranged as an elastic connecting element between a mouth 19 for dust discharge on the tool holder 9 and a dust removal channel 20 in the machine housing 2, through which dust can flow freely through the circular movement of the tool holder 9.
  • the tool holder 9 carries a control button 22 which is easily accessible from the front or from above and which can be moved to the rear and is integrally connected to a bolt 23.
  • a control button 22 which is easily accessible from the front or from above and which can be moved to the rear and is integrally connected to a bolt 23.
  • latch 23 engages in a locking hook 24 of the grinding plate 8 and thereby holds the grinding plate 8 on the tool holder 9.
  • FIG. 3 the machine housing 2, the flexible shaft 10, the rear and the front oscillating element 17, 18, the bellows 21, the lower roller bearing 14 and the eccentric pin 12.
  • a needle bearing 29 can be seen between the tool holder 9 and the eccentric pin 12, a compensating mass 30 arranged on the eccentric pin 12 for Reduce the imbalance occurring during the eccentric movement of the tool holder 9 with the grinding plate 8.
  • the control button 22 is displaceably supported against the force of a compression spring 31.
  • the control button 22 On the side facing the grinding plate 8, the control button 22 has a recess 32 whose left-hand contour has two inclined surfaces 33, 34 which form a beak-like tip. This tip is opposed to a similar tip of a latching hook 24, which is formed in one piece from a fixed sanding plate 35.
  • the locking hook 24 carries two counter bevels 36, 37.
  • the upper inclined surface 33 of the bolt 23 or the control button 22 hooks and tensions, engaging under the locking hook 24 against the lower counter bevel 37 and thus stabilizes the locking of the grinding plate 8 on the tool holder 9, so that in the tensioned state, the grinding plate 8 is pressed firmly against the tool holder 9.
  • the control button 22 does not have to be moved backwards, since the latching hook 24 slides on the latch 23, automatically pushes it back and latches.
  • FIG 4 the top view of the tool holder 9 is shown with the vibrating elements 17, 18 and the mouth 19 of the dust removal channel 20 and with two engagement openings 39, 40, the opening 41 for the needle bearing 13 or for the eccentric pin 12 and in the front corner 42 the opening 43 for receiving the control button 22.
  • FIGS. 5 and 6 the vibrating elements 17, 18 shown. It is clear from this that the rear oscillating element 17 is a pair of three individual oscillating columns and the front oscillating element 18 consists of four individual oscillating columns.
  • Figure 7 illustrates the arrangement of the vibrating elements 17, 18 on the tool holder 9 and shows in the side view of Figure 4 along the section line of the arrows YY the T-profile of the vibrating elements 17, 18, which with their upper transverse blades in corresponding, unspecified recesses of the machine housing 2 are arranged positively.
  • FIG. 8 shows a view from below of the grinding plate 8 and clarifies its triangular outline with side edges 44, 45, 46 curved outwards.
  • suction openings 47 on a common pitch circle and the support claws 48 explained for FIG. 9 49, 50, 51, 52, 53 or the three locking hooks 24 near the grinding plate corners 54, 55, 56.
  • the arrows XX show the section for FIG. 9.
  • FIG. 9 shows the side view of the grinding plate 8 along the arrows X-X according to FIG. 8.
  • the grinding plate 8 consists of a grinding plate plate 35, in particular made of rigid plastic, and of a sanding pad cushion 57, in particular made of flexible plastic.
  • the sanding plate 8 has a hook and loop fastener system (not described in more detail) to which the sanding sheets (not shown) or other tools with velor backing fit.
  • the grinding plate plate 35 On the side facing the tool holder 9, the grinding plate plate 35 carries in each grinding plate corner 54, 55, 56 mutually opposite support claws 48, 49, 50, 51, 52, 53 and a locking hook 24 symmetrically divided by the bisector.
  • the support claws have one Pointed, outwardly facing, obliquely arranged support and holding surfaces 58, 59.
  • Die Locking hooks 24 also have counter-bevels 36, 37 tapering towards a tip and facing inwards towards the center of the grinding plate 8, which are provided for latching the bolt 23 of the control button 22 (FIG. 3).
  • the grinding plate 8 can be assigned as desired to the corners of the tool holder.
  • the function of the support claws 48, 49, 50, 51, 52, 53 changes depending on whether they snap into the engagement openings 39, 40 of the tool holder 9 and thus hold the grinding plate 8 on the tool holder 9 like a hinge or whether the support claws 48, 49, 50, 51, 52, 53 act as an elastic spacer spring, slide on the support bevels 62, 63, 64, 65 (FIG. 12) and hold the grinding plate 8 pre-tensioned against the tool holder 9, so to speak.
  • FIG. 10 shows the enlargement of a bellows 21 according to FIGS. 1 and 3 with a flat, rectangular cross section, corresponding to the mouth 19 according to FIG. 4.
  • FIGS. 11 and 12 show a view of the tool holder 9 from behind and from below.
  • the cams 60, 61 can be seen, which cooperate with the support claws 48, 49, 50, 51, 52, 53 and ensure play-free attachment of the grinding plate 8 to the tool holder 9.
  • the same task have bevels 62, 63, 64, 65, which are arranged on the inside on the side surfaces 66, 67 of the tool holder 9 and, sliding on the support claws 48, 49, 50, 51, 52, 53 for clamping between the grinding plates 8 and Ensure tool holder 9 and thus ensure a play-free arrangement.
  • the sliding guide 68 for receiving the control button 22 can be seen particularly well from below.
  • FIGS. 13 and 14 show a special grinding plate 70.
  • the special grinding plate 70 analogous to grinding plate 8 according to FIGS. 8, 9, carries supporting claws 72, 73, 74, 75, 76, 77 opposite one another in mirror image in each inner contour corner 81, 82, 83 and one due to the longitudinal bisecting line of symmetrically divided locking hooks 71.
  • the support claws 72, 73, 74, 75, 76, 77 have outwardly facing, beak-like, obliquely arranged support and holding surfaces 48, 85.
  • the locking hook 71 has inwards, towards the center of the grinding plate 70 facing counter-bevels 86, 87, which are provided for latching the bolt 23 of the control button 22 (Fig. 3).
  • the grinding plate 70 can only be coupled to the tool holder 9 in the longitudinal direction, because only its forwardly extended area is intended for grinding and not, as in the exemplary embodiment according to FIGS. 8, 9, the area immediately below the tool holder 9 .
  • a sanding plate 70 according to FIGS. 13, 14 it is possible to grind in narrow spaces, for example louvres from shutters, doors or, for example, closely spaced radiator fins.
  • the motor shaft and thus the flexible shaft 10 with the eccentric pin 12 rotates.
  • the grinding plate 8 which can be released via the operating button 22 without an auxiliary tool, can be exchanged particularly quickly for further grinding plates (not shown), preparatively equipped with sanding sheets of different grain sizes, or for a special grinding plate 70 according to FIGS. 13, 14. Time-consuming loosening of the Velcro fastener between sanding plate 8 and sanding sheet is eliminated because the respective sanding sheet can remain on its sanding plate. In this way, grinding work of different surface qualities can be carried out conveniently in alternation.
  • the grinding plate 8 and / or the tool holder 9 rise like a truncated pyramid over their base area, in particular together, form a truncated pyramid so that the outermost edges of the sanding sheet are always in the field of vision of the user of the orbital sander.
  • the channel outlet 25 for removal of grinding dust or the like is arranged asymmetrically at the rear end of the machine housing 2 in a machine housing shell half 27, the channel outlet 25 can be made with high accuracy, so that hoses or the like. For dust removal particularly tight and are securely connectable against unwanted loosening.
  • a correspondingly suitable separating plate is clipped on analogously to the type of fastening of the grinding plates mentioned.
  • this cutting plate for example, floor coverings and wallpapers can be easily removed from the surface.
  • a scraper and / or a saw is used instead of a grinding plate attachable to the tool holder.
  • the tool holder with the grinding plate is mounted in a lockable joint on the machine housing, so that the grinding plate plane or the like can be pivoted to adapt the orbital sander to angled, difficult to access workpieces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (15)

  1. Machine-outil à main de ponçage (1), avec un carter de machine (2) recevant un moteur (3), carter qui porte à l'avant, sur un porte-outil (9) de la machine, un plateau de ponçage (8) servant d'outil tournant, orbital ou vibrant (8), en particulier avec une surface de base triangulaire servant à recevoir des feuilles triangulaires de ponçage par une fixation auto-accrochante, machine-outil à main caractérisée en ce que le porte-outil (9), par sa surface de base ou son contour, en particulier triangulaire, coïncide sensiblement avec la surface de base du plateau de ponçage (8) et a une construction en forme de coquille telle qu'elle vient en appui par son bord extérieur (69) sur le plateau de ponçage (8), en ce qu'on forme entre le plateau de ponçage (8) et le porte-outil en forme de coquille (9), un espace intermédiaire qui, à l'exception d'orifices d'évacuation de poussière (47) et d'une embouchure (19) d'un canal d'évacuation de poussière (20), est sensiblement étanche vers l'extérieur et sert au passage de la poussière aspirée, et en ce que l'embouchure (19), qui sert à la sortie de la poussière sur le porte-outil (9), et les orifices d'aspiration de poussière (47), sont disposés dans le plateau de ponçage (8).
  2. Machine-outil à main selon la revendication 1, caractérisée en ce que le porte-outil (9) est accouplé au moteur (3) du côté situé à l'opposé du plateau de ponçage (8), de façon amovible, au moyen d'un téton excentré (12), et, à cet endroit, porte des éléments vibrants (17, 18) élastiques, en particulier d'une seule pièce, qui maintiennent fermement le porte-outil (9), contre tout entraînement en rotation ou risque de détachement, sur le carter de machine (2).
  3. Machine-outil à main selon la revendication 2, caractérisée en ce qu'au moins deux éléments vibrants (17, 18) sont disposés sur le porte-outil (9), un élément vibrant (18) étant disposé sur l'angle antérieur (42) et un autre élément vibrant (17), en particulier constitué comme une paire d'éléments vibrants, étant disposé à proximité du bord latéral (45) du porte-outil (9) qui se trouve en face de l'angle (42).
  4. Machine-outil à main selon les revendications 1, 2 ou 3, caractérisée en ce que le porte-outil (9) est pourvu d'un poussoir unique de manoeuvre (22) pour détacher le plateau de ponçage (8) sans outil auxiliaire, et présente, du côté (45) opposé au poussoir de manoeuvre (22) au moins une ouverture de venue en prise (39, 40) dans laquelle peut venir en prise au moins un crampon d'appui (48, 49, 50, 51, 52, 53) du plateau de ponçage (8).
  5. Machine-outil à main selon la revendication 4, caractérisée en ce que le poussoir de manoeuvre (22) porte un verrou (23) qui est disposé de façon à pouvoir coulisser élastiquement, en particulier à l'encontre d'un ressort de compression (31), sur le porte-outil (9), en étant assuré contre tout risque de perte, et qui maintient fermement le plateau de ponçage (8) dans sa position finale maintenue élastiquement.
  6. Machine-outil à main, selon la revendication 5, caractérisée en ce que le verrou (23) vient en prise par en-dessous avec un crochet d'encliquetage (24) sur le plateau de ponçage (8), de préférence de son côté tourné vers le porte-outil (9).
  7. Machine-outil à main selon l'une des revendications 1 à 6, caractérisée en ce que le plateau de ponçage (8) porte, en plus d'au moins un crochet d'encliquetage (24), plusieurs crampons d'appui d'une seule pièce (48, 49, 50, 51, 52, 53) qui s'appuient sur le porte-outil (9) et, de cette façon, bloquent en position en le serrant le plateau de ponçage (8).
  8. Machine-outil à main selon les revendications 1 à 7, caractérisée en ce que l'on dispose à chaque fois un crochet d'encliquetage (24) et deux crampons de venue en appui (48, 49, 50, 51, 52, 53) sur chacun des angles (54, 55, 56) du plateau de ponçage.
  9. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que le porte-outil (9), en particulier du côté tourné vers le plateau de ponçage (8), porte, à proximité de l'orifice de venue en prise (39, 40), des cames (60, 61) qui s'appuient en serrant contre le plateau de ponçage (8) et en particulier contre ses crampons de venue en appui (48, 49, 50, 51, 52, 53).
  10. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que le plateau de ponçage (8) porte de son côté situé à l'opposé du porte-outil (9), au moins en partie, une fermeture auto-accrochante.
  11. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que le plateau de ponçage (8) porte des orifices d'évacuation de poussière (47) disposées sur un arc de cercle commun.
  12. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que l'on dispose sur un côté extérieur du porte-outil (9), de préférence au milieu, une embouchure, en particulier rectangulaire (19) d'un canal d'évacuation de poussière (20).
  13. Machine-outil à main selon la revendication 12, caractérisée en ce que l'embouchure (19) est reliée au moyen d'un soufflet (21), en particulier rectangulaire, au carter de machine (2).
  14. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que le plateau de ponçage (8) peut être échangé, sur le porte-outil (9), avec d'autres outils ayant la même structure de fixation correspondant au porte-outil (9), tels qu'un racloir, une lame de scie, une tôle de séparation, ou analogue, sans outil auxiliaire.
  15. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que le plateau de ponçage (8) et/ou le porte-outil (9) se soulèvent, à la manière d'un tronc de pyramide, au-dessus de la surface de base et forment, en particulier en commun et en venant à ras, un tronc de pyramide.
EP94101587A 1993-02-04 1994-02-03 Outil à main de surfaçage Expired - Lifetime EP0610801B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95118775A EP0710527B1 (fr) 1993-02-04 1994-02-03 Outil à main de surfaçage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4303044 1993-02-04
DE4303044A DE4303044A1 (de) 1993-02-04 1993-02-04 Handwerkzeugmaschine zur Flächenbearbeitung
EP95118775A EP0710527B1 (fr) 1993-02-04 1994-02-03 Outil à main de surfaçage

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP95118775A Division EP0710527B1 (fr) 1993-02-04 1994-02-03 Outil à main de surfaçage
EP95118775.6 Division-Into 1994-02-03

Publications (3)

Publication Number Publication Date
EP0610801A1 EP0610801A1 (fr) 1994-08-17
EP0610801B1 true EP0610801B1 (fr) 1996-07-10
EP0610801B2 EP0610801B2 (fr) 2002-09-04

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ID=25922754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94101587A Expired - Lifetime EP0610801B2 (fr) 1993-02-04 1994-02-03 Outil à main de surfaçage

Country Status (2)

Country Link
EP (1) EP0610801B2 (fr)
DE (1) DE4303044A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9417272D0 (en) * 1994-08-25 1994-10-19 Black & Decker Inc Abrasive sheets
US5743791A (en) * 1995-02-09 1998-04-28 Porter Cable Corporation Sanding system
US5759094A (en) * 1995-02-09 1998-06-02 Porter-Cable Corporation In-line detail sander
DE19608969A1 (de) * 1996-03-08 1997-09-11 Bosch Gmbh Robert Elektrische Handschleifmaschine
DE19617477A1 (de) * 1996-05-02 1997-11-06 Bosch Gmbh Robert Elektrische Handschleifmaschine
DE19617572A1 (de) * 1996-05-02 1997-11-13 Bosch Gmbh Robert Elektrische Handschleifmaschine
DE19617478B4 (de) * 1996-05-02 2006-06-29 Robert Bosch Gmbh Handschleifmaschine
DE19617573A1 (de) * 1996-05-02 1997-11-06 Bosch Gmbh Robert Handgeführter Schwingschleifer
DE19632218B4 (de) * 1996-08-09 2007-08-23 Robert Bosch Gmbh Schwingschleifer
DE29614325U1 (de) * 1996-08-21 1996-10-31 Kress Elektrik Gmbh & Co Handwerkzeugmaschine zur Flächenbearbeitung
GB9809030D0 (en) * 1998-04-29 1998-06-24 Black & Decker Inc Powered oscillating hand tool
DE10132885B4 (de) * 2001-07-06 2009-01-02 Robert Bosch Gmbh Handschleifmaschine
DE10247899B4 (de) * 2002-10-14 2011-08-11 Robert Bosch GmbH, 70469 Verfahren zur Herstellung einer Schleifplatte
DE102004016015A1 (de) 2004-04-01 2005-10-20 Bosch Gmbh Robert Handgeführte Schleifmaschine, Schleifmaschinen-Halteeinheit sowie Schleifmaschinen-Gehäuse
US8172642B2 (en) 2008-08-20 2012-05-08 Black & Decker Inc. Multi-sander
EP2404701B1 (fr) * 2010-07-05 2013-05-29 Techtronic Power Tools Technology Limited Ponceuse
US9421682B2 (en) 2011-07-18 2016-08-23 Black & Decker Inc. Multi-head power tool with reverse lock-out capability
US9956677B2 (en) 2013-05-08 2018-05-01 Black & Decker Inc. Power tool with interchangeable power heads
DE102022207828A1 (de) 2022-07-29 2024-02-01 Robert Bosch Gesellschaft mit beschränkter Haftung Verbindungsvorrichtung, Werkzeugvorrichtung, Werkzeugsystem und Werkzeugmaschinensystem

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
US2562971A (en) * 1950-07-14 1951-08-07 Sundstrand Machine Tool Co Shoe construction for rubbing machines
FR2529497A1 (fr) * 1982-07-02 1984-01-06 Black & Decker Inc Perfectionnement aux outils portables a plateau vibrant, notamment aux ponceuses vibrantes
DE3840974A1 (de) * 1988-12-06 1990-06-07 Fein C & E Oszillationsantrieb
DE9205338U1 (fr) * 1991-12-15 1992-06-25 Dualflex Co., Ltd., Windsor, Ontario, Ca

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Publication number Publication date
DE4303044A1 (de) 1994-08-11
EP0610801B2 (fr) 2002-09-04
EP0610801A1 (fr) 1994-08-17

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