EP0813934A2 - Dispositif pour séparer la couche de colle d'une vitre collée - Google Patents

Dispositif pour séparer la couche de colle d'une vitre collée Download PDF

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Publication number
EP0813934A2
EP0813934A2 EP97108083A EP97108083A EP0813934A2 EP 0813934 A2 EP0813934 A2 EP 0813934A2 EP 97108083 A EP97108083 A EP 97108083A EP 97108083 A EP97108083 A EP 97108083A EP 0813934 A2 EP0813934 A2 EP 0813934A2
Authority
EP
European Patent Office
Prior art keywords
cutting
angle
holder
cutting knife
attack
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.)
Ceased
Application number
EP97108083A
Other languages
German (de)
English (en)
Other versions
EP0813934A3 (fr
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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
Priority claimed from DE29610687U external-priority patent/DE29610687U1/de
Priority claimed from DE1996124259 external-priority patent/DE19624259C1/de
Priority claimed from DE1996136462 external-priority patent/DE19636462C1/de
Application filed by C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP0813934A2 publication Critical patent/EP0813934A2/fr
Publication of EP0813934A3 publication Critical patent/EP0813934A3/fr
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B7/00—Hand knives with reciprocating motor-driven blades

Definitions

  • the invention relates to a device for severing the adhesive bead of a glued-on pane, in particular on a motor vehicle, with a cutting tool which has an oscillation drive for the oscillating drive of a cutting knife.
  • the known cutting knife is attached to the cutting tool with an oscillation drive and is driven to oscillate at a high frequency and a small pivoting angle.
  • the oscillation drive is particularly well suited for this task because the knife does not make any significant stroke in the cutting plane perpendicular to the cutting direction and therefore the tip of the cutting knife can be guided on body flange parts without causing damage to it or to the paint. Therefore, in the context of this invention, an oscillation drive is to be understood to mean any form of drive in which the cutting knife can be used as a guide element.
  • Cutting knives with a crescent-shaped or straight cutting part in a flat, cranked or U-shaped cross-section are customary.
  • a certain problem with the use of such a cutting tool with an oscillating driven cutting knife consists in a clean guidance of the cutting tool or the cutting knife during the cut.
  • the adhesive bead of the glued-on pane is usually present in a relatively narrow space between the pane and a body flange.
  • damage to the paint on the body flange cannot be ruled out if the cutting tool is guided freehand.
  • a considerable amount of practice and dexterity on the part of the worker with free hand guidance is required.
  • the object of the invention is therefore to provide a possibility for severing an adhesive bead of a glued-on pane with a cutting tool according to the type mentioned at the outset, in which the severing of the adhesive bead can also be carried out by relatively inexperienced workers, without there being an increased risk of this Damage to the paint or an existing rubber seal is present.
  • This object is achieved according to the invention in a device according to the type mentioned at the outset by a holder for receiving the cutting tool and for guiding the cutting knife at a predetermined distance from the disk.
  • the cutting tool with the cutting knife can namely simply be placed on the holder according to the invention, which is then guided along the disk at a constant distance.
  • the holder can simply be placed on the surface of the pane and the cutting tool can thus be guided at a constant distance from the pane and the body flange while working. In this way, even a less experienced worker can make a precise cut.
  • the holder has guide elements which are supported on the surface of the disk.
  • the holder for receiving the cutting tool has a base plate from which a first and a second leg protrude at an angle, which are designed to receive the cutting tool.
  • the guide elements are designed as feet protruding from the base plate, which allow displacement of the base plate on the surface of the pane.
  • the legs each comprise a receiving plate, on the side facing away from the base plate there is in each case a recess which is adapted to the shape of the housing of the cutting tool in order to at least partially accommodate this.
  • the cutting tool with its housing can be positively received by the recesses on the mounting plates and thus easily fixed.
  • an adjusting element for adjusting the length of the leg is provided on at least one of the legs.
  • This measure has the advantage that the distance and the angle of attack of the cutting knife can be adapted in a simple manner depending on the respective geometric requirements.
  • At least one of the two legs comprises a support plate which projects at an angle from the base plate and to which the mounting plate is connected in parallel and adjustable in the longitudinal direction.
  • the recesses on the receiving plates are provided with an anti-slip covering.
  • the legs form an obtuse angle with the base plate, preferably an angle between approximately 70 ° and 90 °.
  • the cutting plane of the cutting knife is inclined in the cutting direction with respect to the disk by a predetermined angle of attack.
  • the angle of attack ensures that the cutting knife generally runs away from the rubber seal during the cutting process. Because it has been shown that the cutting knife, when aligned parallel to the disc, often has the tendency to bend slightly due to the pressure building up against the cutting direction and thereby to run out of the cutting plane. As a result of the measure of turning the cutting knife on, the cutting knife is generally guided in a direction away from the rubber seal and towards the body flange. If the cutting knife comes into contact with the body flange as a result, it is not only guided through the body flange in the cutting direction, but also perpendicularly to it, so that the cutting knife makes a cut parallel to the pane and body flange despite the angle of attack. It is crucial that the cutting knife is always guided by the invention at a maximum distance from the rubber seal, so that even inexperienced workers cannot cause any damage to the rubber seal.
  • the holder has means for positively holding the cutting tool in a position inclined relative to the disk by the angle of attack.
  • the cutting plane of the cutting knife is inclined without having to make changes to the cutting tool, in particular without having to make changes to the cutting knife.
  • it is structurally particularly simple to provide the holder with means for positively holding the cutting tool in an inclined position.
  • the guide elements are designed as feet protruding from the base plate, the length of which is dimensioned such that the base plate is inclined by the angle of attack with respect to the disk contact surface formed by the feet.
  • At least one of the legs is provided with a recess which at least partially engages around the cutting tool in a form-fitting manner and which is oriented obliquely with respect to the leg axis by the angle of attack.
  • the cutting tool is also held in a structurally very simple manner in a position inclined relative to the disk by the angle of attack.
  • a holder can be manufactured inexpensively with high stability.
  • the holder has a wedge-shaped adapter plate, which on the Base plate is attachable and the wedge angle is equal to the angle of attack.
  • a basic bracket can be easily adapted to different applications by connection with different types of adapter plates.
  • the adapter plate has guide elements which allow the device to be displaced on the surface of the disk.
  • the guide elements reduce the friction between the adapter plate and the disk, so that the risk of the holder tilting during the cut is reduced.
  • the guide elements are preferably designed as adjusting screws.
  • the relative position between the holder and the pane can be adjusted within relatively narrow limits in order to compensate for inevitable tolerances both in the holder itself and on the body flange of the motor vehicle.
  • the holder has means for fastening the cutting tool to the holder.
  • the fastening means have a band with a Velcro fastener, which fastens to the holder is and is designed to encompass the cutting tool.
  • the cutting tool can be easily and quickly attached to and released from the holder.
  • the band is guided around a fastening attachment fixed to the holder and fastened thereon.
  • the angle of attack is in the range between 2 ° and 15 °, preferably in the range between 5 ° and 10 °.
  • the cutting knife has two edges at an angle to the cutting direction, of which at least the edge which is at a greater distance from the disk due to the angle of attack is provided with a cutting edge.
  • the edge, which is at a smaller distance from the disk due to the angle of attack, is preferably of blunt design.
  • the cutting knife in the area of its cutting edge is bent approximately perpendicular to the cutting direction by a predetermined bending angle.
  • This measure ensures that the cutting blade can be guided as close as possible to the body flange and thus as far as possible from the rubber seal over its entire section extending into the space between the body flange and the pane.
  • This measure is regarded as a separate invention regardless of an inclination of the cutting plane of the cutting knife in the cutting direction with respect to the disk by a predetermined angle of attack.
  • the bending angle is in the range between 15 ° and 30 °, preferably in the range between 20 ° and 25 °.
  • the cutting edge of the cutting knife is hardened, the hardness of the cutting edge being in the range between 52 and 60 HRc (Rockwell hardness), preferably 56 HRc.
  • the end of the cutting knife is provided with a curve with a radius in the range between 4 and 7 mm, preferably from about 5 to 6 mm.
  • a curve with such a comparatively large radius advantageously reduces the compressive forces exerted on the body flange during the cutting process and thus the risk of causing damage to the paint. It is understood that the cutting knife can be blunt in the area of the curve.
  • the end of the cutting knife is preferably provided with a thickening.
  • This measure has the advantage that the pressure forces applied to the body flange on the body flange during the guiding of the cutting knife are further minimized.
  • an apparatus according to the invention is generally designated by the number 10.
  • the device 10 comprises a holder 20 for receiving a cutting tool 12 with an oscillating drive 14 of a known type, to the output shaft 15 of which a cutting knife, generally designated 50, is attached.
  • the oscillation drive 14 swivels the output shaft 15 back and forth at a high frequency in the range from approximately 10,000 to 20,000 oscillations per minute and with a small pivoting angle, preferably between approximately 1 ° and 5 °, about the oscillation axis 16.
  • the oscillation axis 16 is concentric with a center point of a fastening opening 58, which is closer as in FIG. 4 can be seen is provided at one end of the cutting knife 50.
  • the holder 20 comprises a first, front leg 24 and a second, rear leg 26, which protrude obliquely upwards from a base plate 22 in the direction of the cutting tool 12.
  • a receiving plate 28, 38 is provided on each of the two legs 24, 26, in each of which a recess 45 is provided, on which a non-slip support 46 is arranged, as can be seen from FIG. 2.
  • the cutting tool 12 is inserted with the front end of its housing 13 in the area of the gear head, from which the oscillation drive 14 is received, onto a non-slip support 36 in the receiving opening of the receiving plate 28 of the first leg 24 and with its rear end onto the non-slip support 46 in the recess 45 on the mounting plate 38 of the second leg 26.
  • the shape of the recesses in the receiving plates 28, 38 is adapted to the respective shape of the housing 13 of the grinding tool 12, so as to ensure a positive fit and a secure hold when the cutting tool 12 is placed on the holder 20.
  • the recess 45 on the second, rear mounting plate 38 can be designed in the shape of a sector of a circle if the housing 13 is correspondingly rounded in its rear region, while the corresponding recess on the first, front mounting plate 28 can be, for example, rectangular if the housing 13 has a corresponding shape in this area.
  • Such a geometry has the additional advantage that the cutting tool 12 with a positive fit is simultaneously secured in the recesses of the receiving plates 28, 38 against rotation.
  • the two legs 24, 26 are arranged approximately parallel to one another and form an angle of approximately 80 ° with the base plate 22.
  • both legs 24, 26 is adjustable.
  • a support plate 29 or 39 is integrally formed on the end of the base plate 22, on which the respective mounting plate 28 or 38 can be displaced in parallel and by means of a screw 30 or 40, respectively, which is in a longitudinal slot 34 or 44 on the support plate 29 or 39 is guided, can be fixed in the desired position by tightening a wing nut 32 or 42.
  • the length of the legs 24 can thus be adjusted in a simple manner by loosening the wing nuts 32 and 42 and displacing the mounting plates 28 and 38 with their screws 30 and 40 in the longitudinal slots 34 and 44 and then through Tighten the wing nuts 32 or 42 again.
  • the length of the carrier plates 29 and 39, the receiving plates 28 and 38 and the longitudinal slots 34 and 44 can be varied within a wide range in order to provide numerous possibilities of variation for the distance and the angular position of the cutting tool 12 with respect to to allow the base plate 22.
  • various markings can be provided for certain applications, for example on the carrier plates 29, 39.
  • the guide elements preferably consist of a easily slidable plastic on the disc, while the base plate 22, the support plates 29, 39 and the receiving plates 28, 38 can be made of metal or a suitable plastic of sufficient stability, a wire construction or a construction made of transparent plastic providing a good view of the disc .
  • the holder 20 When working, the holder 20 is guided along with its guide elements 48 on the surface of the pane, as will be described in detail below.
  • the angular position and the distance of the cutting knife 50 with respect to the surface of the disk is predetermined by the holder 20 and can be adapted to the respective geometric requirements by adjusting the mounting plates 28 and 38.
  • FIG. 3 shows a detail from a body flange 70 which has an approximately U-shaped cross section, the right leg of which is extended on the inside of the vehicle by an inside leg 72 in the direction of the interior of the vehicle.
  • a pane 64 in the case shown a rear window, is glued to the approximately parallel inner leg 72 of the flange 70 via a completely circumferential adhesive bead 66.
  • the edge 74 of the disk 64 is additionally sealed against the flange 70 by a circumferential rubber sealing lip 68.
  • FIG 3 shows a cutting knife 50 for severing the adhesive bead 66 in its end position, which results when the cutting knife 50 strikes the flange 70 with its outer end 60 when the adhesive bead 66 is severed.
  • the cutting knife 50 has a rear fastening part 52, in which the fastening opening 58, which is designed as a polygonal opening, is provided.
  • the fastening part 52 merges via an intermediate part 54, which is angled in opposite directions, into a cutting part 56, which is curved in cross section, with respect to a plane which extends through the fastening part 52 perpendicular to the axis of oscillation 16 of the cutting tool 12, is convexly curved, as can be seen from Fig. 3.
  • the cutting part 56 is provided on both sides with a cutting edge 62 which begins at the intermediate part 54 and extends up to shortly before the outer end 60 of the cutting part 56 opposite the fastening opening 58.
  • the end 60 is rounded to one inadvertently touching the flange 70 with this end 60 to largely avoid damage. Since it is only an oscillating movement with a small swivel angle and high frequency, when the flange 70 touches the end 60, only compressive stresses occur as a rule, which do not lead to any severing or chipping of the lacquer layer.
  • the device 110 comprises a cutting tool 112 of a known type and a holder 114 with which the cutting tool 112 can be connected in a form-fitting manner.
  • the cutting tool 112 has an elongated housing 116 and an oscillating drive 118 of a known type, to the output shaft 120 of which a cutting knife 124 is attached.
  • the oscillation drive 118 swivels the output shaft 120 back and forth at a high frequency in the range of approximately 10,000 to 25,000 oscillations per minute and with a small pivoting angle, preferably between approximately 1 and 5 °, about an oscillation axis 122.
  • the oscillation axis 122 is concentric with a center point of a fastening opening 154 which is provided at one end of the cutting knife 124, as can be seen in more detail in FIG. 9.
  • the holder 114 comprises a first, front leg 128 and a second, rear leg 130, which protrude obliquely upwards from a base plate 126 in the direction of the cutting tool 112.
  • the two legs 128, 130 are arranged approximately parallel to one another and form an angle ⁇ of approximately 80 ° with the base plate 126.
  • the rear leg 130 is somewhat longer than the front leg 128, so that the cutting tool 112 placed on the legs 128, 130 is oriented obliquely to the base plate 126.
  • the guide elements 132, 133 are designed as adjusting screws, the rotational position of which is secured with respect to the base plate 126 by springs 134. It is understood that at least the screw heads are covered with a low-friction coating, preferably made of plastic.
  • a fastening projection 136 is fixed by means of two screws 138 (see also FIG. 8).
  • a band 140 with a Velcro fastener is guided around the attachment projection 136 and fixed to it by means of a screw 142.
  • the front leg 128 has a recess 146 which is oriented obliquely with respect to the leg axis A by an angle ⁇ .
  • the recess 146 is adapted to the housing 116 of the cutting tool 112 in such a way that it is held in the holder 114 in a form-fitting manner.
  • the cutting knife 124 Due to the oblique orientation of the recess 146, the cutting knife 124, schematically indicated in FIG. 6, of the cutting tool 112 inserted into the holder 114 is inclined. More precisely, the cutting plane E of the cutting knife 124 is inclined in the cutting direction R with respect to the base plate 126 - and thus with respect to a disk on which the holder is guided - by a predetermined angle of attack ⁇ which is equal to the angle of the inclination of the recess 146 with respect to the leg axis A is. A cutting edge 125 of the cutting knife 124 thus points away from the base plate 126 - and thus from the disk.
  • the angle of attack ⁇ is about 7 °.
  • FIG. 7 shows an adapter plate 148 which can be fastened to a holder of an alternative embodiment of the device according to the invention by means of two fastening hooks 150.
  • the adapter plate 148 is wedge-shaped in cross section with a wedge angle ⁇ and has guide elements protruding from the underside in the form of feet 132 'and 133'.
  • the adapter plate 148 is particularly suitable for attachment to holders which do not have an inclined receptacle 146, but rather a vertically oriented recess.
  • the adapter plate is therefore suitable for supplementing existing brackets which are not provided with an obliquely aligned receptacle 146 for positioning the cutting knife 124.
  • FIGS. 5 and 6 shows a rear view of the holder 114 of FIGS. 5 and 6.
  • the rear leg 130 of the holder 114 is provided with a round recess 151 which is adapted to the rear part of the housing 116 of the cutting tool 112 is.
  • the fastening lug 136 which is fixed on the back of the rear leg 130 by the screws 138, is adapted to the shape of the recess 151 and thus allows the band 140 guided around it to be guided almost without a step around the housing 116 of the cutting tool 112 and thus by means of the Velcro fastener can be fixed to the bracket 114.
  • FIGS. 9 and 10 show a cutting knife 124 of the cutting tool 112 for severing an adhesive bead of a disc that has been glued on, as shown in FIG. 5.
  • the cutting knife 124 has a rear fastening part 152 with a fastening opening 154 designed as a polygonal opening, a cranked intermediate part 156 and a cutting part 158.
  • the cutting edge 125 is provided on an edge of the cutting part 158.
  • the opposite edge of the cutting part 158 is designed as a blunt edge 164.
  • the end of the cutting part 158 formed by the end section 160 is provided with a rounding 166 which has a radius r of 5.5 mm and is of blunt design.
  • the cutting part 158 is formed from a flat steel strip, the cutting edge 125 being hardened with a hardness of 56 HRc (Rockwell hardness).
  • FIG. 11 shows a section of a body flange 170 which has an approximately S-shaped cross section, whose right leg is designed as an inner leg 172 facing the interior of the vehicle for fastening a rear window 174.
  • the disc 174 is glued to the inner leg 172 of the flange 170, which extends approximately parallel to the surface of the disc, via a completely circumferential adhesive bead 176.
  • the edge of the disc 174 is additionally sealed by a circumferential rubber sealing lip 178 against the part of the flange 170 which projects approximately perpendicularly from the inner leg 172.
  • the device 110 is placed on the disc 174 and the cutting knife 124 or the cutting blade 124 'shown in FIG. 11 is guided at one point through the adhesive bead 176 into the space between the inner leg 172 and the disc 174, so that the position of the cutting knife shown in Fig. 11 results.
  • the cutting knife 124 ' is similar to the cutting knife 124 shown in FIGS. 9 and 10 with the only difference that the end of the cutting part 158 is provided with a thickening 168. Apart from this, the cutting knife 124 ', however used in the same manner as the cutting knife 124 of Figures 9 and 10.
  • the end section 160 of the cutting part 158 lies very close to the inner leg 172 of the body flange 170 due to its bending by the angle and is oriented approximately parallel to this.
  • the cutting knife 124, 124 ' has a maximum distance from the rubber sealing lip 178.
  • the cutting knife 124, 124 ′ can be inserted into the space between the inner leg 172 and the disc 174 as far as the stop on the body flange 170. Due to the oscillating cutting technique, inadmissibly high pressure is not exerted on the body flange 170, so that the abutment of the cutting knife 124, 124 'on the body flange 70 cannot lead to paint damage.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
EP97108083A 1996-06-18 1997-05-17 Dispositif pour séparer la couche de colle d'une vitre collée Ceased EP0813934A3 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE29610687U 1996-06-18
DE29610687U DE29610687U1 (de) 1996-06-18 1996-06-18 Vorrichtung zum Durchtrennen des Klebewulstes einer aufgeklebten Scheibe
DE19624259 1996-06-18
DE1996124259 DE19624259C1 (de) 1996-06-18 1996-06-18 Halterung zur Aufnahme eines Schneidwerkzeuges mit einem Oszillationsantrieb
DE19636462 1996-09-07
DE1996136462 DE19636462C1 (de) 1996-09-07 1996-09-07 Vorrichtung zum Durchtrennen des Klebewulstes einer aufgeklebten Scheibe

Publications (2)

Publication Number Publication Date
EP0813934A2 true EP0813934A2 (fr) 1997-12-29
EP0813934A3 EP0813934A3 (fr) 1999-04-07

Family

ID=27216354

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108083A Ceased EP0813934A3 (fr) 1996-06-18 1997-05-17 Dispositif pour séparer la couche de colle d'une vitre collée

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EP (1) EP0813934A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004011204A2 (fr) * 2002-07-25 2004-02-05 Carglass Luxembourg Sarl - Zug Branch Dispositif pour couper
US10137592B2 (en) 2013-05-06 2018-11-27 Milwaukee Electric Tool Corporation Oscillating multi-tool system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673383A (en) * 1970-09-15 1972-06-27 George V Sofia Electrically heated scraping tool
US3924327A (en) * 1974-09-25 1975-12-09 Jerry Clyde Edwards Powered windshield track cutter
US4199852A (en) * 1978-11-22 1980-04-29 Ayers Lewis W Windshield remover
EP0174427B1 (fr) * 1984-08-02 1988-02-17 C. & E. FEIN GmbH & Co. Couteau pour séparer la couche de colle d'une vitre collée
US4802280A (en) * 1988-02-11 1989-02-07 Lapiana John Device for removing putty from a window
US5219378A (en) * 1992-04-28 1993-06-15 Arnold Robert A Reciprocating cutting tool and method
US5301429A (en) * 1993-02-16 1994-04-12 Bundy Douglas M Tool for removing moldings and the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673383A (en) * 1970-09-15 1972-06-27 George V Sofia Electrically heated scraping tool
US3924327A (en) * 1974-09-25 1975-12-09 Jerry Clyde Edwards Powered windshield track cutter
US4199852A (en) * 1978-11-22 1980-04-29 Ayers Lewis W Windshield remover
EP0174427B1 (fr) * 1984-08-02 1988-02-17 C. & E. FEIN GmbH & Co. Couteau pour séparer la couche de colle d'une vitre collée
US4802280A (en) * 1988-02-11 1989-02-07 Lapiana John Device for removing putty from a window
US5219378A (en) * 1992-04-28 1993-06-15 Arnold Robert A Reciprocating cutting tool and method
US5301429A (en) * 1993-02-16 1994-04-12 Bundy Douglas M Tool for removing moldings and the like

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004011204A2 (fr) * 2002-07-25 2004-02-05 Carglass Luxembourg Sarl - Zug Branch Dispositif pour couper
WO2004011204A3 (fr) * 2002-07-25 2004-04-08 Carglass Luxembourg Sarl Zug Dispositif pour couper
AU2003254491B2 (en) * 2002-07-25 2009-10-29 Belron Hungary Kft-Zug Branch Cutting device
AU2003254491C1 (en) * 2002-07-25 2010-04-01 Belron Hungary Kft-Zug Branch Cutting device
US10137592B2 (en) 2013-05-06 2018-11-27 Milwaukee Electric Tool Corporation Oscillating multi-tool system
US10940605B2 (en) 2013-05-06 2021-03-09 Milwaukee Electric Tool Corporation Oscillating multi-tool system
US11724413B2 (en) 2013-05-06 2023-08-15 Milwaukee Electric Tool Corporation Oscillating multi-tool system

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