EP0294617B1 - Outil de coupe - Google Patents

Outil de coupe Download PDF

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Publication number
EP0294617B1
EP0294617B1 EP88107799A EP88107799A EP0294617B1 EP 0294617 B1 EP0294617 B1 EP 0294617B1 EP 88107799 A EP88107799 A EP 88107799A EP 88107799 A EP88107799 A EP 88107799A EP 0294617 B1 EP0294617 B1 EP 0294617B1
Authority
EP
European Patent Office
Prior art keywords
cutting tool
blade
tool according
cutting
fastening part
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
EP88107799A
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German (de)
English (en)
Other versions
EP0294617A1 (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
Application filed by C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP0294617A1 publication Critical patent/EP0294617A1/fr
Application granted granted Critical
Publication of EP0294617B1 publication Critical patent/EP0294617B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B26B9/00—Blades for hand knives
    • 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 cutting tool for severing elastic adhesive beads on vehicle windows, according to the preamble of claim 1.
  • the window panes are increasingly glued into the frame provided for this purpose in the body.
  • an intermediate space between the window panes and the frame is filled with an adhesive, which preferably consists of synthetic rubber or one-component polyurethane adhesive.
  • this adhesive In order to be able to remove such window panes from the frame again, this adhesive must be severed.
  • a cutting tool is already known from EP-A 0141035, which has a fastening part and a blade part held thereon. This blade part is straightened and is particularly suitable for cutting through an adhesive bead arranged on one side of the disc.
  • the invention is based on the object of improving a cutting tool of the generic type in such a way that it is also suitable for severing adhesive beads adhering to two or more edge surfaces of a disk which are transverse to one another.
  • This cutting tool according to the invention has the particular advantage that the angled blade can now be inserted and guided into the adhesive bead in such a way that one blade leg runs parallel to one surface and the other blade leg runs essentially parallel to the other surface of the disk and that the cutting edges allow easy cutting of the adhesive bead even in the area of the abutting blade legs. It is therefore no longer necessary to consider whether or not the adhesive encompasses the edge of the disc on two surfaces running transversely to one another, since this cutting tool according to the invention in any case enables the disc to be removed easily and without problems.
  • the cutting edges of the blade legs merge, i.e. So there are no additional corners and edges in these areas, which contribute to increased friction and thus an aggravation of the cutting.
  • the adhesive is an elastic, but generally very tough, the blade legs are flat in cross section, so that the separated adhesive does not have to be pressed very far apart by the blade legs.
  • edge surfaces of the disks are generally at right angles to one another, it is also advantageous if the blade legs are approximately at right angles to one another.
  • the blade legs may have cutting edges on opposite edges, i.e. that cutting in the forward and backward directions is possible.
  • the cutting edges arranged on opposite edges also make it easier to insert the cutting tool according to the invention into the adhesive.
  • the cutting edge of the outer blade leg has a curvature with a center of curvature lying in the cutting direction, which is in particular on the side facing the pivot axis.
  • the cutting tool holds itself in the adhesive and has no tendency to run out of it when cutting.
  • the blade part is relative to the fastening part is aligned.
  • the blade part is attached to the fastening part such that the outer blade leg lies essentially in a plane approximately perpendicular to the pivot axis.
  • the outer blade leg is preferably cut and the inner blade leg lying between the outer blade leg and the fastening part is guided on a circular path around the pivot axis.
  • the blade part is attached to the fastening part in such a way that the inner blade leg lies essentially in a plane approximately perpendicular to the pivot axis.
  • This tool therefore preferably cuts with the inner blade leg, which only moves in one plane during cutting, while the outer blade leg is guided on a circular path.
  • the most advantageous embodiment which is chosen in particular when an approximately equally wide area of the adhesive must be cut through with both blade legs, provides that the blade part is attached to the fastening part in such a way that both blade legs lie on conical surfaces which are concentric with the pivot axis.
  • the relative arrangement between the blade part and the fastening part is chosen in particular so that the inner blade leg adjoining the fastening part with the fastening part is aligned or that the inner blade leg protrudes at an angle from the fastening part.
  • a very simple to manufacture and preferred embodiment provides that the inner blade leg protrudes approximately L-shaped from the fastening part.
  • Another expedient embodiment provides that the outer blade leg forms approximately a U with the inner blade leg and the fastening part.
  • the fastening part has a sheath in its area facing the inner blade leg. This sheathing prevents the oscillating fastening part from striking against the frame and possibly also against the pane and thus damaging the same.
  • a support stop is provided on the fastening part, which can be designed in any shape, for example in the form of a rotatable support roller.
  • This support stop should preferably be made of soft and shock-absorbing material, so that on the one hand it provides protection for the pane and the frame, but on the other hand it can also be used for the cutting tool to be guided and thus avoided when the adhesive is separated is that the blade part cuts unevenly deep into the adhesive.
  • the support stop or the casing is then expediently arranged such that its edge surface facing the blade part lies approximately in the region of a transition from the fastening part to the blade part.
  • FIG. 1 shows in detail a first exemplary embodiment, designated as a whole by 10, of a cutting tool according to the invention, which has a blade part 12 with an outer Blade leg 14 and an inner blade leg 16 projecting perpendicularly therefrom.
  • This inner blade leg 16 is followed by a fastening part, designated as a whole by 18, which also has a leg 20 aligned with the inner blade leg 16 and an angled leg 22 relative thereto.
  • the leg 22 is preferably provided with a polygonal opening 25.
  • This opening 25 is used to fasten the cutting tool 10 on a pivot shaft 26 of an oscillating pivot drive designated as a whole as 28, which in turn has a counterpart 30 corresponding to the opening 25, so that the cutting tool 10 is held in a rotationally fixed manner on the shaft 26 and oscillates about a pivot axis 24 and is pivotally drivable.
  • the leg 20 is additionally provided with a casing 32, which is preferably made of an elastic material, so that the casing 32 serves as padding.
  • the blade part 12 is designed according to the invention such that both the outer blade leg 14 and the inner blade leg 16 each carry a cutting edge 34 or 36, the cutting edges 34 and 36 continuously merging.
  • both blade legs are convex in cross section and are therefore preferably ground on both sides towards the cutting edge 34, 36.
  • the rear edges 38, 40 opposite the cutting edges 34, 36 are also ground in a further preferred embodiment, so that cutting is possible in both directions.
  • the cutting edge 34 of the outer blade leg is still curved, in such a way that a center of curvature of the cutting edge lies in front of it in the cutting direction.
  • the cutting tool 10 is expediently formed in one piece, that is to say that the blade part 12 merges into the fastening part 18.
  • the separation between the two can only be seen in the fact that at the beginning of the inner blade leg 16 with its cutting edge 36, the sheath 32 ends and has an edge 42 which extends essentially transversely to the inner blade leg 16.
  • the cutting tool 10 When in use, the cutting tool 10 according to the invention engages in an essentially L-shaped space 44 between a window pane 46 of a motor vehicle and a window frame 38 thereof, the space 44 being more or less filled with an adhesive 48.
  • the window pane 46 is held in the frame 38 with this adhesive 48.
  • the adhesive 48 must be is usually an elastic adhesive, can be severed.
  • the cutting tool 10 is inserted with its blade part 12 into the adhesive 48 and guided in a position, as shown in FIG. 1, in the intermediate space 44, the cutting edges 34 and 36 causing the adhesive to oscillate about the pivot axis 24 Cut 48.
  • the casing 32 in particular with its edge 42, serves to protect the frame 38 of the body of the motor vehicle, which is usually painted, as far as possible from damage, since this casing 32 acts as padding when the fastening part strikes the frame 38 .
  • the cross section of the outer blade leg 14 and the inner blade leg 16 can also be selected such that it has a cutting edge 34 or 36 on only one side, while a back 50 of the blade leg 14 or 16 is blunt.
  • FIG. 7 A form of the cutting tool according to the invention which is suitable for special applications is shown in FIG. 7.
  • the fastening part 18 ⁇ is not cranked, but flat and is flush with the inner blade leg 16 ⁇ , so that this blade leg 16 verange runs in a plane approximately perpendicular to the pivot axis 24,, during which outer blade leg 14 ⁇ projecting approximately at right angles from the inner blade leg 16 ⁇ a circle segment moves around the pivot axis 24 ⁇ .
  • the blade part 12 ⁇ in this embodiment is designed in accordance with the blade part 12 in the embodiment described above.
  • the fastening part 18 ⁇ is also provided with stop rollers 52 arranged on both sides thereof, which can be rotated about pins 54 aligned approximately parallel to the pivot axis 24 ⁇ and held on the fastening part 18 ⁇ .
  • These stop rollers 52 which are preferably made of soft, elastic material, have the advantage that they enable the cutting tool to be supported both on the window pane 46 and on the frame 38 and thus prevent the cutting tool from reaching too deep into the intermediate space 44.
  • FIG. 8 Another embodiment, shown in FIG. 8, has a blade part 12 ⁇ , which can be identical to the blade part 12. However, the inner blade leg 16 ⁇ is no longer aligned with the fastening part 18 ⁇ , but protrudes from it at an angle which is preferably approximately 45 °.
  • the fastening part 18 ⁇ is in turn held on the pivot shaft such that the pivot axis 24 ⁇ is approximately perpendicular to the fastening part 18 Befest Trent.
  • the blade legs 14 ⁇ and 16 ⁇ each move on a conical surface about the pivot axis 24 ⁇ .
  • the fastening part 18 ⁇ is in turn in an area facing the inner blade leg 16 ⁇ a casing 32 ⁇ provided, which also serves to avoid damage to the body or the frame.
  • the edges 42 ⁇ of this casing 32 ⁇ expediently enclose an angle of approximately 45 ° with a surface of the fastening part 18 ⁇ and lie in the region of a transition from the fastening part 18 ⁇ to the blade part 12 ⁇ .
  • the sheathing 32 ⁇ is replaced by a roller which can be rotated about an axis aligned in the longitudinal direction of the fastening part 18 und and can thus simultaneously serve as a guide roller when using the cutting tool.
  • the embodiment according to Fig. 8 has the advantage that it can be used from both sides, i.e. from an inside of the window pane and from an outside of the window pane, into the space between the window pane and the frame can be inserted and work. For this purpose, however, it should then advantageously be mountable on both sides of the swivel shaft of the oscillating swivel drive.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (14)

1. Outil coupant pour sectionner des bourrelets collants élas­tiques sur des vitres de véhicules, pour des entraînements oscillant autour d'un axe de pivotement, avec une partie de fixation (18) et une barre de coupe coudée (12) qui est maintenue sur cette partie de fixa­tion et qui comprend une branche intérieure (16) et une branche exté­rieure (14) de barre de coupe qui sont jointives, la branche exté­rieure (14) présentant un tranchant (34), caractérisé en ce que les deux branches (14, 16) de la barre de coupe sont plates et présentent un tranchant respectif (34, 36) orienté dans la direction de coupe et s'étendant perpendicu­lairement à cette direction jusqu'à l'autre branche (16, 14), et en ce que les tranchants (34, 36) des deux branches de barre de coupe (14, 16) se raccordent l'un à l'autre.
2. Outil coupant selon la revendication 1, caractérisé en ce que les branches de barre de coupe (14, 16) sont disposées approximative­ment en angle droit l'une par rapport à l'autre.
3. Outil coupant selon l'une des revendications précédentes, ca­ractérisé en ce que les branches de barre de coupe (14, 16) présentent une forme de section qui, des deux côtés, progresse de manière convexe vers les tranchants (34, 36).
4. Outil coupant selon l'une des revendications précédentes, ca­ractérisé en ce que les deux branches de barre de coupe (14, 16) por­tent des tranchants (34, 36, 38, 40) sur des bords mutuellement opposés.
5. Outil coupant selon l'une des revendications précédentes, ca­ractérisé en ce que le tranchant (34) de la branche extérieure de barre de coupe (14) présente une courbure dont le centre de courbure est situé dans la direction de coupe.
6. Outil coupant selon l'une des revendications précédentes, ca­ractérisé en ce que la barre de coupe (12) est rattachée à la partie de fixation (18) de telle sorte que la branche extérieure de barre de coupe (14) se trouve sensiblement dans un plan approximativement per­pendiculaire à l'axe de pivotement (24). (Figure 1)
7. Outil coupant selon l'une des revendications 1 à 5, caracté­risé en ce que la barre de coupe (12) est rattachée sur la partie de fixation (18) de telle sorte que la branche intérieure de barre de coupe (16) se trouve sensiblement dans un plan approximativement per­pendiculaire à l'axe de pivotement (24). (Figure 7)
8. Outil coupant selon l'une des revendications 1 à 5, caracté­risé en ce que la barre de coupe (12) est rattachée sur la partie de fixation (18) de telle sorte que les deux branches de barre de coupe (14, 16) se trouvent sur des faces coniques concentriques à l'axe de pivotement (24). (Figure 8)
9. Outil coupant selon la revendication 8, caractérisé en ce que la branche intérieure de barre de coupe (16) part en angle de la par­tie de fixation (18).
10. Outil coupant selon la revendication 6, caractérisé en ce que la branche intérieure de barre de coupe part approximativement en forme de L de la partie de fixation (18).
11. Outil coupant selon la revendication 6, caractérisé en ce que la branche extérieure de barre de coupe (14) forme approximative­ment un U avec la branche intérieure de barre de coupe (16) et la par­tie de fixation (18).
12. Outil coupant selon l'une des revendications précédentes, caractérisé en ce que la partie de fixation (18) porte un enrobage (32) dans sa région (20) qui est tournée vers la branche intérieure de barre de coupe (16).
13. Outil coupant selon l'une des revendications 1 à 11, carac­térisé en ce qu'une butée d'appui (52) est prévue sur la partie de fixation (18).
14. Outil coupant selon la revendication 12 ou 13, caractérisé en ce que la face de bord (42) de l'enrobage (32) ou de la butée d'appui (52) qui est tournée vers la barre de coupe (12) se trouve dans la région d'une transition entre la partie de fixation (18) et le tranchant (36) de la branche intérieure de barre de coupe (16).
EP88107799A 1987-06-06 1988-05-14 Outil de coupe Expired - Lifetime EP0294617B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873719073 DE3719073A1 (de) 1987-06-06 1987-06-06 Schneidwerkzeug
DE3719073 1987-06-06

Publications (2)

Publication Number Publication Date
EP0294617A1 EP0294617A1 (fr) 1988-12-14
EP0294617B1 true EP0294617B1 (fr) 1991-02-27

Family

ID=6329243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107799A Expired - Lifetime EP0294617B1 (fr) 1987-06-06 1988-05-14 Outil de coupe

Country Status (3)

Country Link
EP (1) EP0294617B1 (fr)
JP (1) JPH0761386B2 (fr)
DE (3) DE3719073A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19964092B4 (de) * 1999-08-02 2004-09-16 Kan-Tech Gmbh Schneidwerkzeug zum Trennen der elastischen Verbindung zwischen der Scheibe und dem Körper eines Fahrzeuges

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8907586U1 (de) * 1989-06-21 1989-08-03 Mütter, Wilhelm, 5650 Solingen Messer zum Auftrennen von Klebewulsten
DE3929852A1 (de) * 1989-08-15 1991-02-21 Fein C & E Schaelmesser
DE4135573A1 (de) * 1990-11-28 1992-06-04 Fein C & E Verfahren und vorrichtung zum einbringen von oberflaechenkanaelen in plattenmaterial aus weichem werkstoff und verwendung einer vorrichtung
DE4127239C1 (fr) * 1991-08-17 1992-12-24 C. & E. Fein Gmbh & Co, 7000 Stuttgart, De
DE20003499U1 (de) * 2000-02-25 2000-05-18 C. & E. Fein Gmbh & Co, 70176 Stuttgart Schneidmesser
DE10056369A1 (de) * 2000-11-14 2002-05-29 Wilhelm Muetter Werkzeugfabrik Schneidmesser für ein Schneidwerkzeug
GB2391194B (en) * 2002-07-25 2006-07-05 Carglass Luxembourg Sarl Zug Cutting device
DE102006033368A1 (de) * 2006-07-19 2008-01-24 Wilhelm Karmann Gmbh Verfahren zur Herstellung einer Verklebung und Fahrzeugdach mit textilem Verdeckstoff
US10532472B2 (en) 2012-01-04 2020-01-14 Robert Bosch Tool Corporation Hook blade accessory tool for an oscillating tool
DE102013107867A1 (de) 2013-07-23 2015-02-19 C. & E. Fein Gmbh Oszillationswerkzeug

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4330640Y1 (fr) * 1964-07-14 1968-12-13
US3924327A (en) * 1974-09-25 1975-12-09 Jerry Clyde Edwards Powered windshield track cutter
US4080734A (en) * 1976-09-24 1978-03-28 Barbour Deryle R Method and apparatus for removing a vehicle windshield
US4215475A (en) * 1978-06-12 1980-08-05 Gould Kenneth D Oscillating cut-out tool
US4199852A (en) * 1978-11-22 1980-04-29 Ayers Lewis W Windshield remover
DE3304981C1 (de) * 1983-02-12 1984-06-20 Daimler-Benz Ag, 7000 Stuttgart Schneidwerkzeug zum Ausbau von eingeklebten Fensterscheiben
DE8325025U1 (de) * 1983-08-31 1983-12-22 C. & E. Fein Gmbh & Co, 7000 Stuttgart Schneidwerkzeug
DE8423004U1 (de) * 1984-08-02 1984-10-31 C. & E. Fein Gmbh & Co, 7000 Stuttgart Schneidmesser zum durchtrennen der klebeschicht einer angeklebten scheibe
DE8617670U1 (de) * 1986-07-02 1986-12-18 Wilhelm Mütter Werkzeugfabrik u. Gesenkschmiede, 5650 Solingen Oszillierendes Trennmesser mit Verzahnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19964092B4 (de) * 1999-08-02 2004-09-16 Kan-Tech Gmbh Schneidwerkzeug zum Trennen der elastischen Verbindung zwischen der Scheibe und dem Körper eines Fahrzeuges

Also Published As

Publication number Publication date
JPH0761386B2 (ja) 1995-07-05
JPS6464683A (en) 1989-03-10
DE8816854U1 (de) 1990-11-29
DE3719073A1 (de) 1988-12-15
EP0294617A1 (fr) 1988-12-14
DE3861824D1 (de) 1991-04-04

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