EP0369390B1 - Schneidmesser mit geradem Schneidteil - Google Patents
Schneidmesser mit geradem Schneidteil Download PDFInfo
- Publication number
- EP0369390B1 EP0369390B1 EP89121045A EP89121045A EP0369390B1 EP 0369390 B1 EP0369390 B1 EP 0369390B1 EP 89121045 A EP89121045 A EP 89121045A EP 89121045 A EP89121045 A EP 89121045A EP 0369390 B1 EP0369390 B1 EP 0369390B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- cutting knife
- knife according
- straight line
- reference straight
- 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
Links
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
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 on 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 DE-A-33 24 676 and EP-A-0 141 035, the subject of which is a crescent-shaped cutting part which points away from the clamping point, and the latter a crescent-shaped cutting part , which points to the clamping point.
- a sickle-shaped curved cutting part has the disadvantage that 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.
- a cutting knife for severing adhesive beads is also known, in which a blade has two blades that are symmetrical straight to the central axis of the blade.
- the blade has a receiving opening for attachment to the drive axis of an oscillation drive.
- the cutting edges run essentially tangentially to the receiving opening or to the drive axis of the oscillation drive, to which the blade is fastened with its receiving opening.
- the blade oscillates back and forth in the feed direction, so that there is an essentially striking movement of the blade.
- the invention has for its object to improve a cutting knife of the type mentioned in such a way that the cutting of the adhesive bead in a corner area is completely possible over its entire width.
- This object is achieved in that the cutting part is directed straight at a cutting knife of the type mentioned.
- 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 includes 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 one 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 tapering the cutting part 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 pivot point 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 of a cutting knife according to the invention designated as a whole by 10, comprises, as shown in FIGS. 1 and 2, a first U-leg 12 designed as a fastening part, which merges into a central 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, apart from deviations of a few degrees, are almost parallel to one another 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 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 pivot point 30, in such a way that a reference straight line 42 which cuts 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 directed 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 oscillating 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 covering 60 made of plastic, which can simultaneously serve as a support stop for the intermediate part 14.
- the covering 60 can be applied, for example, as part 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)
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 EP0369390A2 (de) | 1990-05-23 |
EP0369390A3 EP0369390A3 (de) | 1991-03-20 |
EP0369390B1 true EP0369390B1 (de) | 1994-05-18 |
Family
ID=6367427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89121045A Expired - Lifetime EP0369390B1 (de) | 1988-11-18 | 1989-11-14 | Schneidmesser mit geradem Schneidteil |
Country Status (4)
Country | Link |
---|---|
US (1) | US4980976A (ja) |
EP (1) | EP0369390B1 (ja) |
JP (2) | JPH02185393A (ja) |
DE (2) | DE3839029A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19736933C1 (de) * | 1997-08-25 | 1998-10-29 | Fein C & E | Adapter zum Befestigen eines Zusatzwerkzeuges |
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 |
DE102008027671A1 (de) * | 2008-06-05 | 2009-12-10 | C. & E. Fein Gmbh | Oszillationswerkzeug |
US9555554B2 (en) | 2013-05-06 | 2017-01-31 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
Families Citing this family (45)
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 |
EP0711636B1 (de) * | 1994-11-08 | 1998-04-15 | Engelbert Gmeilbauer | Hand-Oszillationsmaschine |
US5826342A (en) * | 1996-08-05 | 1998-10-27 | Equalizer Industries, Inc. | Vehicle windshield removing tool |
DE19852818A1 (de) | 1998-11-17 | 2000-05-18 | Fein C & E | Schneidmesser zum Durchtrennen von Klebewulsten an Fensterscheiben von Fahrzeugen |
DE19852810A1 (de) | 1998-11-17 | 2000-05-18 | Fein C & E | Schneidmesser zum Durchtrennen von Klebewulsten an Fensterscheiben von Fahrzeugen |
DE19932248A1 (de) * | 1999-07-10 | 2001-01-11 | Fein C & E | Schneidmesser zum Durchtrennen von Klebewulsten an Fensterscheiben |
DE19938115A1 (de) * | 1999-08-12 | 2001-02-22 | Fein C & E | Schneidmesser |
DE20003499U1 (de) * | 2000-02-25 | 2000-05-18 | Fein C & E | 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 |
US6945862B2 (en) | 2000-12-07 | 2005-09-20 | C. & E. Fein Gmbh | Power tool having a receptacle for securing a tool |
DE10061559A1 (de) | 2000-12-07 | 2002-06-13 | C & E Fein Gmbh & Co Kg | Aufnahme zur Befestigung eines Werkzeuges an einer Antriebswelle und Adapter hierzu |
DE20117159U1 (de) | 2001-10-16 | 2002-02-14 | C & E Fein Gmbh & Co Kg | Werkzeugmaschine mit Befestigungsflansch |
US20070006468A1 (en) * | 2005-07-06 | 2007-01-11 | Christopher Davies | Cutting device |
GB2415402B (en) * | 2002-07-25 | 2006-07-05 | Carglass Luxembourg Sarl Zug | Cutting device |
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 |
DE102008060811A1 (de) | 2008-12-01 | 2010-06-02 | C. & E. Fein Gmbh | Vorrichtung zum Durchtrennen des Klebewulstes von eingeklebten Scheiben |
EP2191943B1 (de) * | 2008-12-01 | 2013-01-16 | C. & E. Fein GmbH | Vorrichtung und Verfahren zum Durchtrennen des Klebewulstes von eingeklebten Scheiben |
DE102009010463A1 (de) | 2009-02-13 | 2010-08-19 | 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 |
US9073195B2 (en) | 2010-04-29 | 2015-07-07 | Black & Decker Inc. | Universal accessory for oscillating power tool |
US9186770B2 (en) | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
US8925931B2 (en) | 2010-04-29 | 2015-01-06 | Black & Decker Inc. | Oscillating tool |
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 |
USD651878S1 (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 |
USD651876S1 (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 |
USD651877S1 (en) | 2010-12-14 | 2012-01-10 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
CN102814791B (zh) * | 2011-06-09 | 2016-02-17 | 苏州宝时得电动工具有限公司 | 工作头 |
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 |
USD694076S1 (en) | 2012-06-25 | 2013-11-26 | Techtronic Power Tools Technology Limited | Universal interface for accessory blades |
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 |
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 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US519250A (en) * | 1894-05-01 | Oris elan fearn | ||
FR762292A (fr) * | 1933-10-12 | 1934-04-09 | Couteau à pain | |
GB480654A (en) * | 1937-07-30 | 1938-02-25 | Friedrich Stenvers | Protecting device on peeling knives and the like |
US2681502A (en) * | 1953-10-09 | 1954-06-22 | Orman L Black | Safety box opener |
US3448517A (en) * | 1965-08-30 | 1969-06-10 | Harry R Cothery | Windshield removing tool |
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 |
-
1988
- 1988-11-18 DE DE3839029A patent/DE3839029A1/de active Granted
-
1989
- 1989-11-14 EP EP89121045A patent/EP0369390B1/de not_active Expired - Lifetime
- 1989-11-14 DE DE58907687T patent/DE58907687D1/de not_active Expired - Fee Related
- 1989-11-16 US US07/438,522 patent/US4980976A/en not_active Expired - Fee Related
- 1989-11-17 JP JP1297752A patent/JPH02185393A/ja active Pending
-
1995
- 1995-02-17 JP JP1995000760U patent/JP2523105Y2/ja not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19736933C1 (de) * | 1997-08-25 | 1998-10-29 | Fein C & E | Adapter zum Befestigen eines Zusatzwerkzeuges |
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 |
DE102008027671A1 (de) * | 2008-06-05 | 2009-12-10 | C. & E. Fein Gmbh | Oszillationswerkzeug |
DE102008027671B4 (de) * | 2008-06-05 | 2014-09-11 | C. & E. Fein Gmbh | Oszillationswerkzeug |
US9555554B2 (en) | 2013-05-06 | 2017-01-31 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
Also Published As
Publication number | Publication date |
---|---|
US4980976A (en) | 1991-01-01 |
JPH0744444U (ja) | 1995-11-21 |
EP0369390A3 (de) | 1991-03-20 |
DE3839029C2 (ja) | 1992-12-10 |
JPH02185393A (ja) | 1990-07-19 |
DE58907687D1 (de) | 1994-06-23 |
DE3839029A1 (de) | 1990-05-23 |
JP2523105Y2 (ja) | 1997-01-22 |
EP0369390A2 (de) | 1990-05-23 |
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