EP0861710A1 - Appareil de coupe universel - Google Patents

Appareil de coupe universel Download PDF

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Publication number
EP0861710A1
EP0861710A1 EP98102141A EP98102141A EP0861710A1 EP 0861710 A1 EP0861710 A1 EP 0861710A1 EP 98102141 A EP98102141 A EP 98102141A EP 98102141 A EP98102141 A EP 98102141A EP 0861710 A1 EP0861710 A1 EP 0861710A1
Authority
EP
European Patent Office
Prior art keywords
cutting
universal
disc
knife
guiding blade
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.)
Withdrawn
Application number
EP98102141A
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German (de)
English (en)
Inventor
Elias Lebessis
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0861710A1 publication Critical patent/EP0861710A1/fr
Withdrawn legal-status Critical Current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
    • B26B25/00—Hand cutting tools involving disc blades, e.g. motor-driven

Definitions

  • the invention relates to a universal cutting device for flat Materials.
  • DE 34 21 913 C1 describes a device for recutting known wallpaper of any kind immediately pasted.
  • This device for re-cutting has a flat multi-part Housing on, in which the knife is guided in a lifting movement cut better especially in corner and edge areas.
  • a disadvantage of the knives guided in the stroke movement is that these due to the so-called punch cut only relatively thin can cut flat materials.
  • the flat Materials inclusions such as reinforcements in the form of Wood rasps, such as those enclosed in woodchip wallpaper, are the ones Knives guided in lifting motion are no longer able to do this Cut materials.
  • From DE 35 07 125 C1 is a further device for post, off and Known cut off wallpaper.
  • This device exhibits also a knife with a relatively wide stroke Cut open. Resilient on this knife, which is guided in a lifting movement a second knife is stored, which has at least two to it Has Z-shaped areas arranged in mirror image, whose sloping parts are designed as cutting. That too cutting material is in the space between fixed and introduced in the stroke movement knife and is then according to Art a scissor cut through the lifting movement of the movable Knife and the cutting area of the fixed knife cut.
  • the US-A 27 01 911 describes a motor-driven Tissue cutting device with a rotating cutting disc, the cutting edge of which is circular at the periphery of the cutting disc circulates.
  • the invention lies Task to provide a universal cutting device which also enables flat materials with a higher layer thickness to cut with a smooth cut, especially if these flat materials, such as woodchip wallpaper or Carpets are already in their intended location and should be cut off at an edge or an edge.
  • a Universal cutting device to provide both a Cutting forward as well as backward cutting of flat Materials with a higher layer thickness guaranteed.
  • the universal cutting device for flat materials in particular for thicker wallpaper and flooring, has an electric motor driven, rotating cutting disc.
  • the rotating one Cutting disc is preferably an electric motor via an adjoining gear, which starts the rotational movement of the electric motor, driven.
  • the rotating cutting disc is mounted in a kind of knife carrier that the front area of a multi-part, for example flat Connects housing and is attached there.
  • the cutting disc protrudes partially out of this knife carrier or beyond it.
  • On the knife carrier can be in front of and preferably behind Cutting disc arranged a cutting and guide blade and are attached, which cooperates with the cutting disc and which too cutting materials.
  • the real one Cutting or cutting the cutting disc act with the cutting and Guide blade and especially the one below described cutting edge of this cutting and guiding blade under Exercise a cutting action together.
  • the universal cutting device according to the invention is also equipped with a Equipped approximately straight edge, which is expediently attached to the housing and the knife carrier.
  • This contact edge can, for example, be an already roughly installed one Carpet pressed into the corner between the wall and the floor will.
  • the cutting and guiding blade extends approximately in the Extension of the contact edge.
  • the cutting and guiding blade has preferably a holding shaft with which it is attached to the knife carrier can be attached.
  • the holding shaft then goes into a cutting edge, which preferably tapers towards its tip towards its free end.
  • the cutting edge is preferably on one edge as a cutting edge designed with the corresponding cutting edge or cutting edge the cutting disc cooperates.
  • the cutting disc and the The cutting and guiding blade are expediently of this type arranged that the area in which the sheet material of the Cutting disc and the cutting and guiding blade is cut, roughly in the imaginary extension of the contact edge, in particular the bottom of it.
  • the contact edge is advantageously on the one hand in the front area with the knife holder and on the other hand with the Housing connected.
  • the end of the The contact edge is brought as far as possible to this, so that Flat material to be cut, especially when Cut backwards as directly as possible from the contact edge into the mentioned angle between the cutting disc and cutting and Guide blade is guided.
  • the cutting disc has a variety of on its periphery straight secant cutting, forming a Line up polygons. Will the invention Universal cutting device used for forward cutting, then the cutting and guiding blade will not be in front of the cutting disc but rather a mirror image of it between the contact edge and Cutting disc attached to the knife carrier. The mirror plane runs thereby perpendicular to the cutting disc and through its center. Also in this case the flat material is through the contact edge depressed. Since this is not far from the cutting disc and the Cutting and guide blade is removed, the flat material also depressed in the cutting area and at the desired location cut up.
  • the universal cutter has an on and off switch as well preferably a cover or protection device for the Cutting and guiding blade on.
  • Above the rotating one Cutting disc in the front housing part is the drive motor as well the preferably existing gear for driving the cutting disc stored.
  • a housing part which is like a round Handle or handle is formed and in which, for example Accumulators or batteries or a removable battery compartment are arranged.
  • the contact edge preferably extends below that as a handle trained housing part and approximately parallel to it below Forming a passage opening between the housing and Contact edge.
  • the cutting and guiding blade can be on the knife holder itself be attached, preferably in the form of a plate or disk is trained.
  • the knife carrier preferably has at least a recess or receiving opening into which the cutting and Guide blade inserted and attached there.
  • the cutting edge is preferred towards the cutting disc straight cutting edge.
  • the lower edge of the cutting disc which is the cutting edge opposite, runs approximately parallel to the straight extending contact edge (more precisely its free outer edge) or at a small angle to it, but expediently by one certain amount laterally spaced. This lower edge is used for Cutting as an outer leading edge and contact surface.
  • the cutting direction is the direction of rotation of the rotating cutting disc selectable via a switch located externally on the housing, preferably for cutting forward is turned counterclockwise. For cutting backwards, the Direction of rotation changed accordingly.
  • the holding shaft of the cutting and guiding blade is preferred adjustable in the receiving opening of the knife holder or on it stored.
  • the holding shaft is in at least three positions can be swiveled within an elongated hole.
  • the Holding shaft can be pivoted about its attachment in the Be accommodated opening.
  • This adjustable attachment offers the advantage that the angle, which by the cutting edge of the Cutting and guiding blade as well as the secant cutting edge on the Periphery of the rotating cutting disc, which each on this is present, is formed, its angular position can be changed or specifically is adjustable.
  • This changeable angle offers the advantage that in Depending on the layer thickness of the material to be cut Entry opening into the cutting area and thus the cutting depth can be adjusted. The smaller the angle, the smaller it is Depth of cut.
  • This actuator On the opposite side of the cutting disc Knife holder extends an actuator almost parallel to the electric motor.
  • This actuator is spring loaded and has on the one hand an on and off switch and on the on and off Switch opposite side a kind of cover or Protection device on both the cutting disc and the Cutting and guiding blade protrudes protectively.
  • In the off Condition of this protection device lies when the cutting and Guide clamps is mounted in front of the cutting disc (Backward cutting), approximately in front of the tip of the cutting and cutting edge Guide blade so that through the cutting and guide blade and the secant cutting edge of the cutting disc, in which both cutting edges work together is closed. So that's one Risk of injury from the cutting and guiding blade largely excluded. Furthermore, it is advantageous avoided that the material to be cut accidentally gets into the cutting area.
  • the actuating element which is functionally connected to the engine, via the input and Switch against spring tension towards the housing upwards pulled so that the cutting opening at the beginning of the cutting process is released.
  • the actuator is advantageously in his Position over locking elements or similar connecting elements in the desired position fixable.
  • a position is advantageous Continuous operation fixed by locking elements, so that after snapping in and Switch off this only operated again to switch off must become.
  • stop-and-go operation the on and off switch is only contrary to the Spring tension moves, with a fixed point within the spring travel, which is defined by the protective and covering device, must be exceeded.
  • the universal cutting device can be used to produce cutouts, for cutting materials on walls, ceilings or on floors as well as in corner areas and in areas that are difficult to access and offer only little freedom of work, by hand over that too cutting goods are performed.
  • the universal cutter can but also, for example by means of their knife holder, in a sliding and Integrated work table and thus partially taken up by this be or be attached to it.
  • the sliding and work table has a flat work surface, which in a rising slope changes, which in turn turns into two adjacent levels merges. Here is one of these two Levels higher than the other. One can thus of a wedge-shaped Talk about design.
  • the universal cutting device according to the invention are attached, for example by placing the knife holder on this transition represents a vertical surface, is screwed from the side.
  • the sliding and working table is advantageously designed so that it both in the cutting direction and parallel to the cutting direction is expandable. That is to extend parallel to the cutting direction serving table element advantageously has a scale that extends perpendicular to the cutting direction.
  • the straight cutting areas of the rotating cutting disc cut the material and the area in the transition to following cutting edge, in which a corner or point with a obtuse angle is formed, completely cuts through the flat Material so that when guiding the universal cutter over the material to be cut creates a smooth and clean cut.
  • the gear ratio of the preferably existing gear is designed so that the rotating cutting disc with a relative low speed compared to the speed of the electric motor is driven so that the universal cutter is relatively large Transfers cutting forces to the material to be cut and relative thick and stable materials cut easily, quickly and cleanly can be.
  • the cutting edges of both the secant cutting and the rotating Cutting disc as well as the cutting edge of the cutting and Leading blade are starting on the sliding against each other Areas ground, the areas sliding against each other each have the sharpest angle of the cutting edge. With others Words, the cutting edges are ground so inclined that the thinnest cutting areas slide against each other.
  • the rotating cutting disc is preferably constantly on a Lubricating nipple with lubricant arranged on the upper housing part provided.
  • a clip on the outside of the housing, in the rear area arranged which has the advantage that the universal cutter at Work stoppages can be retained on work clothing.
  • This clip turns out to be very comfortable and practical for the User, in particular it is of great advantage in Overhead work or when working on a ladder.
  • Fig. 1 shows a schematic representation of the side view of a Universal cutting device 1 with a rotating cutting disc 2, which in a knife carrier 3c, which is attached to the front housing part 3a of the housing 3 connects, is rotatably mounted.
  • the rotating one Cutting disc 2 is designed in the manner of an octagon, octagonal and has eight secant cutting edges 2a.
  • the rotating one Cutting disc 2 is an electric motor 12, which with a Gear 12a cooperates, driven.
  • receiving openings 4 for receiving the cutting and guiding blade 5 is provided in front and behind the rotating cutting disc 2 are receiving openings 4 for receiving the cutting and guiding blade 5 is provided.
  • the cutting and Guide blade 5 has a holder 6 and a cutting edge 7.
  • the Bracket 6 has an elongated hole through which a Locking screw 8 in a threaded hole in the bottom of the Receiving opening 4 extends.
  • the guide blade 5 is also one another screw, which is also in a threaded hole in the bottom of the Receiving opening 4 engages and through a hole in the Guide blade 5 extends, rotatably or pivotally supported.
  • the Cutting and guiding blade 5 is in front of the rotating cutting disk 2 arranged on the knife carrier 3c and angled, the Cut 7 and also the holder 6 over the rotating one Project cutting disc 2 and partially overlap it. For Areas of the holder are located to ensure a clean cut 6 of the cutting and guide blade 5 and the cutting edge 7 itself flat on the rotating cutting disc 2 and thus overlap with it.
  • the knife carrier 3c is in the embodiment shown designed plate-like or tabular and has a certain Strength. There are various recesses or Receiving openings (for example, the receiving opening 4) The cutting disc 2 and the guide blade 5 are received Recess for the cutting disc 2 conveniently deeper than that Receiving opening 4 so that the cutting disc 2 under the partially your guide blade 5 comes to rest.
  • a contact edge 9 approximately parallel to the handle 3b of the housing 3, which in turn is connected to the rear housing part.
  • a switch 11 is arranged, which an external switching of Direction of rotation of the cutting disc 2 from left to right clockwise or vice versa before commissioning the Allows cutting device.
  • the one shown in Fig. 1 Cutting device works with clockwise rotating cutting disc 2, so cuts backwards.
  • An on and off switch 10 enables one Switch on in stop-and-go operation of the cutting device and by Snap into a final position in a continuous cutting operation.
  • Within the Accu-container 13 is a housing part 3b designed as a handle introduced, which the necessary for the operation of the engine Batteries or accus carries.
  • This battery container is complete removable and is only with the handle 3b Universal cutting device 1 locked.
  • a clip 14 is arranged which of the holder of the Universal cutting device is used. With this bracket the Universal cutting device to be attached to work clothing, so that the fitter has both hands free when necessary or at Overhead work does not have to leave the ladder.
  • a lubricating nipple 15 is arranged on the knife carrier 3c the cutting disc 2 is continuously supplied with lubricant.
  • FIG. 2 is a schematic representation of a top view of the Universal cutting device shown.
  • the Knife carrier 3c shown, on which the front housing part 3a, which carries the electric motor 12, connects.
  • the front Housing part 3a closes at an angle of approximately 60 ° as Handle element trained housing part, which in turn the battery container 13 carries with the clip 14.
  • Fig. 3 shows a schematic representation of the front housing part 3a the housing 3 of the universal cutting device 1 and the Knife holder 3c, the knife holder 3c partially broken away is shown.
  • Electric motor connects the gear 12a.
  • the gear 12a is in its reduction designed so that it the torque of the Electric motor geared down and the cutting disc 2 with a smaller one Speed than that of the electric motor is driven.
  • the gear 12a is on the cutting disk 2 opposite side of the plate-shaped knife carrier 3c arranged and drives through one in the knife carrier 3c located through hole extending shaft (not shown) the Cutting disc 2 on.
  • the cutting and guiding blade 5 is mounted in front of the rotating cutting disk 2, which partially lies on the rotating cutting disk and overlaps it.
  • a contact edge 9 is attached to the housing 3.
  • the cutting edge 7 of the cutting and guiding blade is angled with respect to the holder 6 at an angle of approximately 35 ° to the holder in the direction of the rotating cutting disc 2.
  • the cutting edge of the cutting edge 7 is ground at an angle of 30 °, the flat side surface of the cutting edge 7 resting on the flat surface of the rotating cutting disc 2.
  • Behind the cutting disc 2 on the opposite side of the knife carrier 3c extends the actuating element 16 with on and off switch 10, which here in the so-called position Continuous operation "is engaged.
  • the actuating element 16 is spring-loaded and in its lower region is designed as a covering device 17. In the switched-off state, the covering device 17 extends of the spring-loaded actuating element 16 downward and almost completely covers the cutting and guiding blade 5. In this position, the actuating element 16 closes the cutting opening of the universal cutting device with the adjoining covering element 17. The cutting opening is connected by the cutting and guiding blade 5 with the secant cutting edges 2a of the rotating cutting disc 2.
  • the actuating element 16 is loaded via the spring 18, which is clamped on the one hand between the actuating element 16 and on the other hand the knife carrier 3c kept constantly switched off.
  • the actuating element 16 is pulled upwards in the direction of the housing against the spring tension of the spring 18, with the cover device 17 sliding up and releasing the cutting angle, so that the material to be cut can penetrate into the cutting area unhindered can be introduced.
  • Fig. 4 shows a schematic representation of the front housing part 3a with the knife holder 3c of the universal cutting device 1 Cutting and guiding blade 5 is behind for cutting forward Cutting disc 2 arranged.
  • the adjustable cutting and Guide blade 5 is in position 3 within the Receiving opening attached, which means that a relatively large angle between the cutting edge of the cutting and guiding blade 5 and the secant cutting 2a of the rotating cutting disc becomes.
  • Fig. 5 shows a universal cutting device 1, which on the knife carrier 3c has bores with which the universal cutting device 1 is attached to a sliding and work table.
  • the sliding and Work table has a flat work surface 19, which slopes transforms. In other words, the thickness of the work table broadened themselves in this area.
  • the slope then goes in again two adjacent levels above, namely a higher level and an adjacent lower level.
  • the slope divides in two sections, namely a longer one, which leads to the higher one Level 20 leads, and a shorter one that only leads to the lower level.
  • the transition from the higher level 20 to the lower level will formed by a vertical side surface.
  • a horizontal extension extends parallel to it in the upper area, which runs parallel above the lower level, into one vertical upward as well as compelling towards the work surface 19 Section merges into which there are holes, with holes on the knife carrier 3c correspond by screwing into it be screwed in and thus the knife carrier 3c and thus also the Universal cutting device 1 attached to the work and sliding table can be. Between the vertical section and the higher one This creates a gap in the plane into which the plate-shaped Knife holder 3c can be inserted or interposed. That too cutting material slides between the horizontal extension as well as below and the opposite lower level through it.
  • the sliding and working table can be widened by a table element 21 be, which extends perpendicular to the cutting direction and with With the help of plug-in and locking elements 22 with the sliding and working table locked or connected to it.
  • the table element 21 is with a profile rail 23 extending in the cutting direction equipped on the table element 21 in the manner of a slide gauge can be moved parallel to the cutting direction.
  • the profile rail 23 has a horizontal or lying U-groove, which for Universal cutting device 1 is open.
  • the scaling on the pluggable table element 21 enables easy measurement of widths, for example when cutting strips or the like.
  • the material to be cut slides off the Work surface 19 coming towards the slope and the higher one Level 20 as well as the lower level.
  • the right side of the to cutting material is in the groove in the profile rail 23 guided.
  • the other side edge of the cut material will formed by the universal cutting device 1 and slides on the vertical side surface between the upper level 20 and the along the lower level. The remaining material slides off the Work surface 19 up the slope to the higher level 20

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Details Of Cutting Devices (AREA)
EP98102141A 1997-02-07 1998-02-07 Appareil de coupe universel Withdrawn EP0861710A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997104688 DE19704688C1 (de) 1997-02-07 1997-02-07 Universal-Schneidvorrichtung
DE19704688 1997-02-07

Publications (1)

Publication Number Publication Date
EP0861710A1 true EP0861710A1 (fr) 1998-09-02

Family

ID=7819614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98102141A Withdrawn EP0861710A1 (fr) 1997-02-07 1998-02-07 Appareil de coupe universel

Country Status (2)

Country Link
EP (1) EP0861710A1 (fr)
DE (1) DE19704688C1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844448B4 (de) * 1998-09-28 2005-02-03 C.A. Jürgen Lehnartz GmbH Kleisterauftragsgerät
DE102004014200B4 (de) * 2004-03-23 2006-04-06 Elias Lebessis Universalschneidvorrichtung
DE102006048315A1 (de) * 2006-10-12 2008-04-17 Robert Bosch Gmbh Handwerkzeugmaschine, insbesondere elektrische Schere
CN107214736B (zh) * 2016-05-19 2019-11-05 泰兴市智谷科技孵化器中心 电动剪刀头结构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1395150A (en) * 1920-06-21 1921-10-25 Frank A Scalfaro Electric cloth-cutter
FR664077A (fr) * 1927-11-21 1929-08-29 Kaltenbach & Voigt Machine à couper à couteau rotatif destinée plus particulièrement aux étoffes
US2701911A (en) 1952-11-20 1955-02-15 Maescher Albert Hand fabric cutting apparatus
US3574939A (en) * 1968-10-14 1971-04-13 Monsanto Co Safety guard for carpet cutter
CH562904A5 (en) * 1973-09-21 1975-06-13 Mischke Karl Electric hand tool for cutting carpets - has guiding member for producing straight cuts
DE3421913C1 (de) 1984-06-13 1985-10-17 Elias 8034 Germering Lebessis Vorrichtung zum Nachschneiden von unmittelbar vorher geklebten Tapeten jeglicher Art
DE3507125C1 (de) 1985-02-28 1986-01-02 Elias 8034 Germering Lebessis Vorrichtung zum Nach-,Aus- und Abschneiden von Tapeten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1395150A (en) * 1920-06-21 1921-10-25 Frank A Scalfaro Electric cloth-cutter
FR664077A (fr) * 1927-11-21 1929-08-29 Kaltenbach & Voigt Machine à couper à couteau rotatif destinée plus particulièrement aux étoffes
US2701911A (en) 1952-11-20 1955-02-15 Maescher Albert Hand fabric cutting apparatus
US3574939A (en) * 1968-10-14 1971-04-13 Monsanto Co Safety guard for carpet cutter
CH562904A5 (en) * 1973-09-21 1975-06-13 Mischke Karl Electric hand tool for cutting carpets - has guiding member for producing straight cuts
DE3421913C1 (de) 1984-06-13 1985-10-17 Elias 8034 Germering Lebessis Vorrichtung zum Nachschneiden von unmittelbar vorher geklebten Tapeten jeglicher Art
DE3507125C1 (de) 1985-02-28 1986-01-02 Elias 8034 Germering Lebessis Vorrichtung zum Nach-,Aus- und Abschneiden von Tapeten

Also Published As

Publication number Publication date
DE19704688C1 (de) 1998-08-06

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