EP0369390A2 - Couteau à partie coupante droite - Google Patents

Couteau à partie coupante droite Download PDF

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Publication number
EP0369390A2
EP0369390A2 EP89121045A EP89121045A EP0369390A2 EP 0369390 A2 EP0369390 A2 EP 0369390A2 EP 89121045 A EP89121045 A EP 89121045A EP 89121045 A EP89121045 A EP 89121045A EP 0369390 A2 EP0369390 A2 EP 0369390A2
Authority
EP
European Patent Office
Prior art keywords
cutting
cutting knife
knife according
receptacle
straight line
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.)
Granted
Application number
EP89121045A
Other languages
German (de)
English (en)
Other versions
EP0369390A3 (fr
EP0369390B1 (fr
Inventor
E Fein Gmbh Co C
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6367427&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0369390(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP0369390A2 publication Critical patent/EP0369390A2/fr
Publication of EP0369390A3 publication Critical patent/EP0369390A3/fr
Application granted granted Critical
Publication of EP0369390B1 publication Critical patent/EP0369390B1/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
    • B26B7/00—Hand knives with reciprocating motor-driven blades

Definitions

  • the invention relates to a U-shaped angled cutting knife for cutting tools for severing adhesive beads in window panes of motor vehicles, which can be driven around a pivot point with a small pivoting angle and high frequency, comprising a fastening part having a receptacle that can be connected to a drive shaft coaxial with the pivot point, as the first U- Leg, an intermediate part as the middle U-leg and a cutting part as the second U-leg.
  • U-shaped angled cutting knives are known, for example, from German Patent 33 24 676 and European Patent 0 141 035, the former relating to a crescent-shaped cutting part which points away from the clamping point, and the latter a crescent-shaped cutting part which serves as the clamping point points out.
  • a crescent-shaped cutting part has the after partly that problems can arise when cutting the adhesive bead in the corner region of a frame in a motor vehicle, since the sickle curvature prevents the adhesive bead from being completely severed over its entire width in the corner region.
  • the invention is therefore based on the object of improving a cutting knife of the generic type in such a way that, with the same cutting suitability as the crescent-shaped cutting knife, it is also suitable for completely severing the adhesive bead in a corner region over its entire width.
  • This object is achieved in that the cutting part is directed straight.
  • the advantage of the solution according to the invention is to be seen in the fact that it can be cut into corner areas in a simple manner, surprisingly the cutting properties compared to sickle-shaped curved cutting parts in the U-shaped knives are not significantly worse.
  • Particularly advantageous cutting properties with the U-shaped knives with a straight cutting part can be achieved if the cutting part forms an angle of approximately - 35 ° to + 15 °, viewed clockwise, with a reference straight line, if the reference straight line is centered through a foot of the Cutting part runs and if the distance of the reference straight line from the pivot point at least corresponds approximately to 1.5 times the radius of the recording.
  • this can also be determined by the feature that the intermediate part runs in a plane and that the reference line is perpendicular to this plane.
  • the intermediate part is aligned relative to the cutting part, which is particularly advantageous if there is a small space between the window pane and the frame of the motor vehicle through which the intermediate part must be led out, so that when the intermediate part runs in one plane, this plane can always be guided essentially parallel to a side edge of the window pane and the cutting part is always in the correct angular position due to its orientation relative to the plane of the intermediate part.
  • a tip of the cutting part reaches a maximum of approximately the height of the receptacle, that is, the tip does not protrude significantly beyond the receptacle. Even if the longest possible cutting part is desirable, the tip is preferably at the level of the receptacle and the cutting part then extends to its base, which is further away from the fulcrum.
  • Grooving can also be facilitated by the cutting part tapering towards the tip.
  • the cutting knife according to the invention can be produced particularly easily if the fastening part, the intermediate part and the cutting part are made from bent flat material.
  • the bending can also be carried out most simply when bending lines between the fastening part and the intermediate part and between the intermediate part and the cutting part run parallel to one another.
  • the distance of the reference straight line from the fulcrum it has only been assumed in the exemplary embodiments described so far that this should be at least 1.5 times the radius of the receptacle.
  • the distance of the reference straight line from the fulcrum also has an effect on the movements of the cutting part with a fixed pivot angle of the oscillation drive, it is advantageous if the distance of the reference straight line from the fulcrum corresponds to at least twice the radius of the receptacle.
  • the distance of the reference line from the fulcrum is advantageously less than five times the radius of the receptacle, but preferably even less than four times the radius of the receptacle.
  • Particularly favorable results with regard to the cutting performance of the cutting knives according to the invention were achieved when the distance of the reference straight line from the fulcrum corresponds approximately to three times the radius of the receptacle.
  • the intermediate part has a Plastic mass is coated, which serves as a support and guide stop and prevents damage to the frame due to its lower hardness than the frame of the motor vehicle.
  • An embodiment designated as a whole by 10 of a cutting knife according to the invention comprises, as shown in FIGS. 1 and 2, a first U-leg 12 designed as a fastening part, which merges into a middle leg of the U, which is designed as an intermediate part 14, on which a Cutting part 16 trained second U-leg is held.
  • the fastening part 12 and the cutting part 16 lie in two planes 18 and 20, which are almost parallel to each other except for deviations of a few degrees who are aligned. In the embodiment shown in Fig. 2, the planes are inclined at an angle of approximately 3 ° to each other.
  • the fastening part 12 comprises a receptacle 22 with a toothed inner contour 24, so that the fastening part 12 with the receptacle 22 in a form-fitting manner - as shown in Fig. 3 - on a drive shaft 25 one designated as a whole by 26 Oscillation drive is mountable.
  • the oscillation drive 26 pivots the drive shaft 25 at a high frequency in the range from 10,000 to 20,000 vibrations per minute and small pivoting angle, preferably between 1 ° and 5 °.
  • An axis of rotation 28 is concentric with a center of the receptacle 22, which is also a fulcrum 30 of the cutting knife 10.
  • the fastening part 12 is in turn made of flat material and bent along a bending line 32 to the intermediate part 14, which is also made of flat material.
  • the intermediate part 14 lies in a plane 34 which includes a right angle with the plane 20 in which the cutting part 16 lies and almost a right angle with the plane 18 in which the fastening part 12 lies.
  • the intermediate part 14 consisting of flat material is bent along a bending line 36 to the cutting part 16, which extends from a foot 38 lying at the bending line 36 to a tip 40.
  • the cutting part 16 is offset with respect to the fulcrum 30 in such a way that a reference straight line 42 intersecting the foot 38 in the middle, which is preferably perpendicular to the plane 34 in which the intermediate part 14 lies, in one Distance a from the fulcrum 30 is arranged.
  • the distance a is approximately 3 times the radius r of the receptacle 22, but it can also be in the range from 1.5 to 5 times.
  • the cutting part 16 with its center line 44 lying in the plane 20 can still be inclined up to an angle ⁇ and, in the exemplary embodiment shown in FIG. 1, has an inclination angle ⁇ of approximately -8 °.
  • the cutting part is preferably ground on both sides and thus carries cutting edges 46 and 48 on both sides, which are arranged symmetrically to the center line 44 and are even straight along their course from the foot 38 to the tip 40.
  • the cutting part 16 preferably tapers towards the tip 40, so that the two cutting edges 46 and 48 do not run parallel to one another, but instead form an acute angle with one another.
  • the grinding of the cutting part 16 is preferably carried out so that it - as shown in Fig. 4 - has a spherical shape in cross section.
  • the cutting knife 10 is inserted into the adhesive bead 50 such that its cutting part 16 runs therein and the intermediate part 14 is in an intermediate space 56 between a side edge 58 of the window pane 52 and the frame 54 extends outwards.
  • the oscillation drive 26 holding the knife with the fastening part 12 is now guided along the side edge 58 of the window pane 52 in such a way that the cutting part 16 always runs in the adhesive bead 50 and cuts through the pivoting oscillating movement of the cutting knife 10.
  • the intermediate part 14 is preferably provided with a sheath 60 made of plastic, which can also serve as a support stop for the intermediate part 14.
  • the covering 60 can be applied, for example, in the context of a vortex sintering process.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Nonmetal Cutting Devices (AREA)
EP89121045A 1988-11-18 1989-11-14 Couteau à partie coupante droite Expired - Lifetime EP0369390B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3839029 1988-11-18
DE3839029A DE3839029A1 (de) 1988-11-18 1988-11-18 Schneidmesser mit geradem schneidteil

Publications (3)

Publication Number Publication Date
EP0369390A2 true EP0369390A2 (fr) 1990-05-23
EP0369390A3 EP0369390A3 (fr) 1991-03-20
EP0369390B1 EP0369390B1 (fr) 1994-05-18

Family

ID=6367427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121045A Expired - Lifetime EP0369390B1 (fr) 1988-11-18 1989-11-14 Couteau à partie coupante droite

Country Status (4)

Country Link
US (1) US4980976A (fr)
EP (1) EP0369390B1 (fr)
JP (2) JPH02185393A (fr)
DE (2) DE3839029A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1002629A1 (fr) 1998-11-17 2000-05-24 C. & E. FEIN GmbH & Co. Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles
EP1002628A1 (fr) 1998-11-17 2000-05-24 C. & E. FEIN GmbH & Co. Lame de coupe pour couper des bourrelets adhésifs aux vitres des véhicules automobiles
EP1068937A1 (fr) * 1999-07-10 2001-01-17 C. & E. Fein Gmbh & Co. KG Lame de coupe pour couper des bourrelets adhésifs aux vitres
WO2001014109A3 (fr) * 1999-08-02 2001-06-21 Boris Zelmanovich Boguslavsky Outil de coupe pour separer un raccord de vitre elastique et une carrosserie automobile
EP1213107A1 (fr) 2000-12-07 2002-06-12 C. & E. Fein Gmbh & Co. KG Montage pour fixer un outil à un arbre d'entraínement et adapteur pour celui-ci
EP1302286A1 (fr) 2001-10-16 2003-04-16 C. & E. FEIN GmbH & Co. Machine-outil avec flasque de fixation
US6945862B2 (en) 2000-12-07 2005-09-20 C. & E. Fein Gmbh Power tool having a receptacle for securing a tool
CN102814791A (zh) * 2011-06-09 2012-12-12 苏州宝时得电动工具有限公司 工作头
US10137592B2 (en) 2013-05-06 2018-11-27 Milwaukee Electric Tool Corporation Oscillating multi-tool system

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ATE165037T1 (de) * 1994-11-08 1998-05-15 Engelbert Gmeilbauer Hand-oszillationsmaschine
US5826342A (en) * 1996-08-05 1998-10-27 Equalizer Industries, Inc. Vehicle windshield removing tool
DE19736933C1 (de) * 1997-08-25 1998-10-29 Fein C & E Adapter zum Befestigen eines Zusatzwerkzeuges
DE19938115A1 (de) * 1999-08-12 2001-02-22 Fein C & E Schneidmesser
DE20003499U1 (de) * 2000-02-25 2000-05-18 C. & E. Fein Gmbh & Co, 70176 Stuttgart Schneidmesser
AUPQ925300A0 (en) * 2000-08-08 2000-08-31 Lock, Trevor Stanley Improved glass removing tool
DE10058894A1 (de) * 2000-11-23 2002-06-06 C & E Fein Gmbh & Co Kg Werkzeug mit einem Halter zur Befestigung an einer Antriebswelle
US20070006468A1 (en) * 2005-07-06 2007-01-11 Christopher Davies Cutting device
RS51409B (sr) * 2002-07-25 2011-02-28 Belron Hungary Kft- Zug Branch Rezni alat i postupak za izrezivanje vetrobranskih stakala motornih vozila
US20060042099A1 (en) * 2004-08-30 2006-03-02 Diemert Eric D " Kwik kut ", high performance " blade "
US7386941B2 (en) * 2005-10-17 2008-06-17 Terry Lee Wagenknecht Slit pick and hold triple function graphic arts safety blade
DE102006013417A1 (de) * 2006-03-14 2007-09-20 C. & E. Fein Gmbh Vorrichtung und Verfahren zum Durchtrennen des Klebewulstes einer Fahrzeugscheibe
DE102008027671B4 (de) * 2008-06-05 2014-09-11 C. & E. Fein Gmbh Oszillationswerkzeug
DE102009010463A1 (de) 2009-02-13 2010-08-19 C. & E. Fein Gmbh Vorrichtung zum Durchtrennen des Klebewulstes von eingeklebten Scheiben
EP2191943B1 (fr) * 2008-12-01 2013-01-16 C. & E. Fein GmbH Dispositif et procédé destinés au sectionnement du bourrelet adhésif de vitres collées
DE102008060811A1 (de) 2008-12-01 2010-06-02 C. & E. Fein Gmbh Vorrichtung zum Durchtrennen des Klebewulstes von eingeklebten Scheiben
DE202009004549U1 (de) 2009-03-25 2009-06-04 C. & E. Fein Gmbh Abdeckung für ein Handwerkzeug, insbesondere für einen Oszillationsantrieb
US8925931B2 (en) 2010-04-29 2015-01-06 Black & Decker Inc. Oscillating tool
US9186770B2 (en) 2010-04-29 2015-11-17 Black & Decker Inc. Oscillating tool attachment feature
US9073195B2 (en) 2010-04-29 2015-07-07 Black & Decker Inc. Universal accessory for oscillating power tool
USD646539S1 (en) 2010-06-16 2011-10-11 Robert Bosch Gmbh Accessory tool adapter
USD646540S1 (en) 2010-06-16 2011-10-11 Robert Bosch Gmbh Accessory tool adapter
US8616562B2 (en) 2010-06-16 2013-12-31 Robert Bosch Gmbh Adapter for coupling an accessory tool to a drive member of a power tool
US9149923B2 (en) 2010-11-09 2015-10-06 Black & Decker Inc. Oscillating tools and accessories
USD651875S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651876S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651877S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651874S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD651878S1 (en) 2010-12-14 2012-01-10 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD652274S1 (en) 2010-12-14 2012-01-17 Techtronic Power Tools Technology Limited Universal interface for accessory blades
DE102012103811A1 (de) 2012-05-02 2013-11-07 C. & E. Fein Gmbh Vorrichtung und Verfahren zur Überwachung von Schneidvorgängen beim Durchtrennen von Klebewulsten an Fahrzeugscheiben
USD694599S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694598S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694597S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694076S1 (en) 2012-06-25 2013-11-26 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD694596S1 (en) 2012-06-25 2013-12-03 Techtronic Power Tools Technology Limited Universal interface for accessory blades
USD832666S1 (en) 2012-07-16 2018-11-06 Black & Decker Inc. Oscillating saw blade
US10265778B2 (en) 2017-01-16 2019-04-23 Black & Decker Inc. Accessories for oscillating power tools
USD814900S1 (en) 2017-01-16 2018-04-10 Black & Decker Inc. Blade for oscillating power tools
USD931069S1 (en) 2019-05-03 2021-09-21 Tti (Macao Commercial Offshore) Limited Blade
US11738398B2 (en) 2020-11-18 2023-08-29 Milwaukee Electric Tool Corporation Accessory for an oscillating power tool

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US3613134A (en) * 1969-04-23 1971-10-19 Clarence R Bassett Carton opener tool
US3924327A (en) * 1974-09-25 1975-12-09 Jerry Clyde Edwards Powered windshield track cutter
US3990144A (en) * 1975-06-30 1976-11-09 Boris Schwartz Suture cutter and removal means
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
DE3210212A1 (de) * 1982-03-19 1983-05-19 Daimler-Benz Ag, 7000 Stuttgart Schneidwerkzeug zum ausbau von eingeklebten fensterscheiben
DE3324676C1 (de) * 1983-02-12 1984-10-11 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
DE3626762A1 (de) * 1986-08-07 1988-02-11 Wilhelm Muetter Oszillierendes trennmesser mit koaxialem schaft

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6434835B1 (en) 1998-11-17 2002-08-20 C. & E. Fein Gmbh & Co. Cutting knife for cutting through adhesive beads on glass panes of vehicles
EP1002628A1 (fr) 1998-11-17 2000-05-24 C. & E. FEIN GmbH & Co. Lame de coupe pour couper des bourrelets adhésifs aux vitres des véhicules automobiles
US6442844B1 (en) 1998-11-17 2002-09-03 C. & E. Fein Gmbh & Co. Cutting knife for cutting through adhesive beads on glass panes of vehicles
EP1002629A1 (fr) 1998-11-17 2000-05-24 C. & E. FEIN GmbH & Co. Lame de coupe pour des bourrelets adhésifs aux vitres des véhicules automobiles
EP1068937A1 (fr) * 1999-07-10 2001-01-17 C. & E. Fein Gmbh & Co. KG Lame de coupe pour couper des bourrelets adhésifs aux vitres
US6401342B1 (en) 1999-07-10 2002-06-11 C. & E. Fein Gmbh & Co. Cutting knife for cutting cement beads of window panes
RU2178733C2 (ru) * 1999-08-02 2002-01-27 БОГУСЛАВСКИЙ Борис Зельманович Режущий инструмент для разделения эластичного соединения стекла с корпусом автомобиля
WO2001014109A3 (fr) * 1999-08-02 2001-06-21 Boris Zelmanovich Boguslavsky Outil de coupe pour separer un raccord de vitre elastique et une carrosserie automobile
EP1213107A1 (fr) 2000-12-07 2002-06-12 C. & E. Fein Gmbh & Co. KG Montage pour fixer un outil à un arbre d'entraínement et adapteur pour celui-ci
US6796888B2 (en) 2000-12-07 2004-09-28 C. & E. Fein Gmbh & Co. Kg Power tool having a receptacle for securing a tool
US6945862B2 (en) 2000-12-07 2005-09-20 C. & E. Fein Gmbh Power tool having a receptacle for securing a tool
EP1302286A1 (fr) 2001-10-16 2003-04-16 C. & E. FEIN GmbH & Co. Machine-outil avec flasque de fixation
US6802764B2 (en) 2001-10-16 2004-10-12 C & E. Fein Gmbh & Co. Kg Power tool comprising a securement flange
CN102814791A (zh) * 2011-06-09 2012-12-12 苏州宝时得电动工具有限公司 工作头
CN102814791B (zh) * 2011-06-09 2016-02-17 苏州宝时得电动工具有限公司 工作头
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
US12179378B2 (en) 2013-05-06 2024-12-31 Milwaukee Electric Tool Corporation Oscillating multi-tool system

Also Published As

Publication number Publication date
EP0369390A3 (fr) 1991-03-20
DE3839029C2 (fr) 1992-12-10
US4980976A (en) 1991-01-01
JPH0744444U (ja) 1995-11-21
EP0369390B1 (fr) 1994-05-18
DE58907687D1 (de) 1994-06-23
JP2523105Y2 (ja) 1997-01-22
JPH02185393A (ja) 1990-07-19
DE3839029A1 (de) 1990-05-23

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