EP0431276A2 - Worktop cleaning device - Google Patents

Worktop cleaning device Download PDF

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Publication number
EP0431276A2
EP0431276A2 EP90118931A EP90118931A EP0431276A2 EP 0431276 A2 EP0431276 A2 EP 0431276A2 EP 90118931 A EP90118931 A EP 90118931A EP 90118931 A EP90118931 A EP 90118931A EP 0431276 A2 EP0431276 A2 EP 0431276A2
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EP
European Patent Office
Prior art keywords
blade
underside
blade holder
feed direction
holder
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
EP90118931A
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German (de)
French (fr)
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EP0431276A3 (en
EP0431276B1 (en
Inventor
Klaus Wörz
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Individual
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Individual
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Publication date
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Priority to AT90118931T priority Critical patent/ATE92388T1/en
Publication of EP0431276A2 publication Critical patent/EP0431276A2/en
Publication of EP0431276A3 publication Critical patent/EP0431276A3/en
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Publication of EP0431276B1 publication Critical patent/EP0431276B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/16—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning
    • B44D3/162—Scrapers
    • B44D3/164—Scrapers comprising blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G17/00—Manually-operated tools
    • B27G17/02—Hand planes

Definitions

  • the invention relates to a device for cleaning surfaces roughened by injury from worktops, in particular plastic-coated plates for cutting meat or similar foods, designed in the manner of a plane, with a dimensionally stable, block-like, elongated blade holder, which has a flat, straight underside a blade that is held at an angle to the longitudinal direction of the underside and projects with its cutting edge from the underside, and with a handle on the top of the blade holder that defines a feed direction in the longitudinal direction of the blade holder and a forward force component obliquely to the feed direction on the underside by training as a scraper.
  • the object of the invention is to design a device of the type mentioned in such a way that it is practicable for keeping the worktops in question clean.
  • the invention is characterized in that the blade, is arranged in relation to the feed direction rear quarter of the underside, that the blade is inclined at an acute angle of attack with respect to the feed direction and that the approach defined by the handle of the obliquely downward force component over the rear half, preferably over the rear third , the blade holder.
  • the scraping is done using force.
  • a further development of the invention is therefore based on the object of designing the use of force optimally on the scraping function so that less powerful people can operate the device.
  • the blade holder is a cuboid plate
  • the handle is an annular bracket that is mirror-symmetrical to the longitudinal direction of the blade holder and has the contour of a rounded, approximately right-angled triangle, the hypotenuse of which extends along the blade holder, specifically extends approximately over its entire length, the short cathetus of which is at the front in the direction of advance and the long cathetus of which defines a palm rest.
  • the blade could be ground like a roof. Then surrender problems with the bracket because the critical angle of attack is not only due to the bracket but also due to the orientation of the grinding surface.
  • the problems associated with this are avoided by a further development, which is characterized in that the cutting edge of the blade is formed by a single obliquely positioned grinding surface and that the blade with this grinding surface is arranged in a rearward direction with respect to the feed direction. Then the critical angle of attack is defined by the uncut side surface of the blade.
  • the cutting edge can be straight. Then the edges of the cutting edge can leave unwanted marks in the worktop. These can be avoided by making the cutting edge spherical over its entire length.
  • crowning also makes it possible to scrape out a depression in the surface in the work area, which could result after a large number of scrapings.
  • the crowning can be brought about in various ways, as is the subject of claims 6 and 7.
  • a preferred embodiment with two interchangeable blades is the subject of claim 8.
  • With 1 is a cuboid, elongated, block-like blade holder made of dimensionally stable material, for example wood or plastic.
  • a handle 3 is attached, which is mirror-symmetrical to the plane of Figure 1 to the blade holder.
  • the handle is a ring-shaped bracket that has the contour of a rounded, approximately rectangular triangle drawn in with dash-dotted lines.
  • the bracket extends along the blade holder along the hypotenuse 4, namely over its entire length.
  • the bracket extends along the short cathete 18 and forms a hand rest 7 along the long cathete 6.
  • the blade piece 10 has a U-shaped cross section with spread U-legs. Each of these U-legs forms a blade 12, 13. Due to the inclined configuration of the recess 14, in the installation position shown, only the blade 13 lying in the rear is in the functional position, the blade 12 lying forward is without function.
  • the blade piece is mounted rotated by 180 ° with respect to a vertical axis, then the blade 12 is in the functional position alone.
  • the blade piece 10 is designed mirror-symmetrical for this purpose.
  • the blade 13 in the functional position extends in the rear quarter of the underside 11 in the area of the force action according to arrow 8.
  • the blade 13 is inclined forward at an acute angle 15 of 60 °, based on the direction of advance according to arrow 5.
  • the cutting edge 16 of the blade 13 extends, as can be seen from FIG. 2, almost over the entire width of the blade holder 1 and protrudes from the underside by 0.2 to 3.0 mm.
  • the cutting edge 16 is created by a one-sided grinding surface 17 along the front edge of the blade. This grinding surface is on the back, ie against the feed direction, the side of the function blade 13, does not contribute to the definition of the angle of attack 15.
  • the angle of attack 15 is rather defined by the front of the blade 13.
  • the cutting edge 16 is spherical, that is to say it projects further downwards in the middle than at the edges, specifically along a curvature. According to FIGS. 1 and 2, this crowning is caused by a blade which is correspondingly longer in the middle than in the edge regions, as can be seen from FIG. 3.
  • the crowning can also be brought about by bending the blade in the cutting area or the entire blade 20, as shown in FIG. 4.
  • the blade 20 with the cutting edge 23 is curved about an axis 21 which extends in the direction of attack 22 of the blade 20 and is offset relative to the direction of advance according to arrow 5, ie to the rear.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Food-Manufacturing Devices (AREA)
  • Sawing (AREA)
  • Cleaning In General (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Paper (AREA)
  • Knives (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

A scraper for cleaning superficially damaged worktops has a blade set for scraping and a handle 3 which defines a force action directed at the blade and in the advance direction.

Description

Die Erfindung betrifft eine Vorrichtung zum Reinigen von durch Verletzung aufgerauhten Oberflächen von Arbeitsplatten, insbesondere kunststoffbeschichteten Platten zum Zuschneiden von Fleisch oder dergleichen Lebensmittel, ausgebildet nach Art eines Hobels, mit einem formstabilen, blockartigen, langgestreckten Klingenhalter, der eine flache, gerade Unterseite hat, mit einer Klinge, die schräg zur Längsrichtung der Unterseite gehaltert und mit Ihrer Schneide aus der Unterseite herausragt, und mit einem Handgriff an der Oberseite des Klingenhalters, der eine Vorschubrichtung in Längsrichtung des Klingenhalters und eine vorwärts gerichtete Kraftkomponente schräg zur Vorschubrichtung auf die Unterseite definiert, gekennzeichnet durch die Ausbildung als Schaber.The invention relates to a device for cleaning surfaces roughened by injury from worktops, in particular plastic-coated plates for cutting meat or similar foods, designed in the manner of a plane, with a dimensionally stable, block-like, elongated blade holder, which has a flat, straight underside a blade that is held at an angle to the longitudinal direction of the underside and projects with its cutting edge from the underside, and with a handle on the top of the blade holder that defines a feed direction in the longitudinal direction of the blade holder and a forward force component obliquely to the feed direction on the underside by training as a scraper.

Wenn in Metzgereien auf einer Kunststoffplatte rohes Fleisch zubereitet wird, dann wird unvermeidlich auch in die Arbeitsplatte hineingeschnitten und es entstehen Schnittrillen, in denen sich Schmutz sammelt, der nur schwer entfernt werden kann. Dieser Schmutz bildet Grundlage für gesundheitsschädliche Keime.When raw meat is prepared on a plastic plate in butchers' shops, it is inevitable that the meat will be cut into the worktop and there will be cut grooves in which dirt collects that is difficult to remove. This dirt forms the basis for harmful germs.

Bei hölzernen Arbeitsplatten ist es bekannt, diese zur Reinigung solcher Verschmutzungen abzuhobeln. Das ist aber bei Kunststoffplatten nicht möglich und im übrigen auch bei Holzplatten nicht bei jeder Verschmutzung praktikabel.With wooden worktops, it is known to gouge them off to clean such dirt. However, this is not possible with plastic panels and, moreover, not practical with every type of soiling, even with wooden panels.

Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs genannten Art so auszugestalten, daß sie zur Reinhaltung der in Frage stehenden Arbeitsplatten praktikabel ist.The object of the invention is to design a device of the type mentioned in such a way that it is practicable for keeping the worktops in question clean.

Die Erfindung ist dadurch gekennzeichnet, daß die Klinge im, bezogen auf die Vorschubrichtung rückwärtigen Viertel der Unterseite angeordnet ist, daß die Klinge im spitzen Anstellwinkel, bezogen auf die Vorschubrichtung nach vorn geneigt ist und daß der durch den Handgriff definierte Ansatz der schräg nach unten gerichteten Kraftkomponente über der rückwärtigen Hälfte, vorzugsweise über dem rückwärtigen Drittel, des Klingenhalters liegt.The invention is characterized in that the blade, is arranged in relation to the feed direction rear quarter of the underside, that the blade is inclined at an acute angle of attack with respect to the feed direction and that the approach defined by the handle of the obliquely downward force component over the rear half, preferably over the rear third , the blade holder.

Mit der Vorrichtung kann von Hand ein sehr geringer, leicht dosierbarer Abtrag erfolgen, der gerade ausreicht, die, insbesondere bei Kunststoffoberflächen, nicht sehr weit in die Tiefe gehenden Schnittspuren abzutragen. Das Ergebnis ist dann wieder eine glatte Oberfläche, die sauber abgewaschen werden kann.With the device, a very small, easily metered removal can be carried out by hand, which is just sufficient to remove the cutting traces which do not go very deep, particularly in the case of plastic surfaces. The result is a smooth surface that can be washed off cleanly.

Der Schababtrag erfolgt unter Krafteinsatz. Deshalb liegt einer Weiterbildung der Erfindung die Aufgabe zugrunde, durch Gestaltung den Krafteinsatz optimal auf die Schabfunktion zu richten, damit auch weniger kräftige Personen die Vorrichtung bedienen können.The scraping is done using force. A further development of the invention is therefore based on the object of designing the use of force optimally on the scraping function so that less powerful people can operate the device.

Diese Weiterbildung ist dadurch gekennzeichnet, daß der Klingenhalter eine quaderförmige Platte ist, daß der Handgriff ein ringförmiger Bügel ist, der spiegelsymmetrisch zur Längsrichtung des Klingenhalters ausgeführt ist und die Kontur eines abgerundeten, etwa rechtwinkligen Dreiecks hat, dessen Hypotenuse sich entlang des Klingenhalters, und zwar etwa über dessen gesamte Länge erstreckt, dessen kurze Kathete in Vorschubrichtung vorn liegt und dessen lange Kathete eine Handauflage definiert.This development is characterized in that the blade holder is a cuboid plate, that the handle is an annular bracket that is mirror-symmetrical to the longitudinal direction of the blade holder and has the contour of a rounded, approximately right-angled triangle, the hypotenuse of which extends along the blade holder, specifically extends approximately over its entire length, the short cathetus of which is at the front in the direction of advance and the long cathetus of which defines a palm rest.

Besonders günstige Ergebnisse erzielt man mit einem Anstellwinkel der Klinge von 50 bis 80°, vorzugsweise 60°.Particularly favorable results are achieved with a blade angle of 50 to 80 °, preferably 60 °.

Die Klinge könnte dachförmig geschliffen sein. Dann ergeben sich aber Probleme bei der Halterung, weil der kritische Anstellwinkel nicht nur durch die Halterung sondern auch durch Orientierung der Schliffläche bedingt ist. Die damit verbundenen Probleme vermeidet eine Weiterbildung, die dadurch gekennzeichnet ist, daß die Schneide der Klinge durch eine einzige schräg angesetzte Schliffläche gebildet ist und daß die Klinge mit dieser Schliffläche, bezogen auf die Vorschubrichtung, nach rückwärts gerichtet angeordnet ist. Dann wird der kritische Anstellwinkel durch die ungeschliffene Seitenfläche der Klinge definiert.The blade could be ground like a roof. Then surrender problems with the bracket because the critical angle of attack is not only due to the bracket but also due to the orientation of the grinding surface. The problems associated with this are avoided by a further development, which is characterized in that the cutting edge of the blade is formed by a single obliquely positioned grinding surface and that the blade with this grinding surface is arranged in a rearward direction with respect to the feed direction. Then the critical angle of attack is defined by the uncut side surface of the blade.

Die Schneide kann geradlinig ausgeführt sein. Dann können aber durch die Ränder der Schneide unerwünschte Spuren in der Arbeitsplatte entstehen. Diese sind dadurch vermeidbar, daß die Schneide über ihre gesamte Länge ballig ausgeführt ist.The cutting edge can be straight. Then the edges of the cutting edge can leave unwanted marks in the worktop. These can be avoided by making the cutting edge spherical over its entire length.

Eine solche Balligkeit gestattet es auch, im Arbeitsbereich eine Mulde in der Oberfläche auszuschaben, die sich nach sehr vielen Schabungen ergeben könnte. Die Balligkeit kann auf verschiedene Weise hervorgerufen werden, wie das Gegenstand der Ansprüche 6 und 7 ist.Such crowning also makes it possible to scrape out a depression in the surface in the work area, which could result after a large number of scrapings. The crowning can be brought about in various ways, as is the subject of claims 6 and 7.

Eine bevorzugte Ausführungsform mit zwei gegeneinander auswechselbaren Klingen ist Gegenstand des Anspruchs 8.A preferred embodiment with two interchangeable blades is the subject of claim 8.

Die Erfindung wird nun anhand der beigefügten Zeichnung näher erläutert.The invention will now be explained in more detail with reference to the accompanying drawing.

In der Zeichnung zeigt:

Figur 1
einen Schaber von der Seite gesehen,
Figur 2
die Ansicht gemäß dem Pfeil II aus Figur 1,
Figur 3
ein erstes Ausführungsbeispiel einer balligen Klinge, die auch in dem Ausführungsbeispiel nach Figur 1 und 2 verwendet ist, und zwar oben abgebrochen unter A von von vorn, also entsprechend dem Pfeil II aus Figur 1 gesehen, unter B in der Ansicht IVb und unter C in der Ansicht IVc, und
Figur 4
ein zweites Ausführungsbeispiel einer ballig geformten Klinge unter A bis C in den entsprechenden Ansichten wie in Figur 3.
The drawing shows:
Figure 1
seen a scraper from the side,
Figure 2
the view according to arrow II of Figure 1,
Figure 3
a first embodiment of a spherical blade, which is also used in the embodiment of Figures 1 and 2, and above broken off under A from the front, that is, according to the arrow II of Figure 1, under B in view IVb and under C in view IVc, and
Figure 4
a second embodiment of a spherically shaped blade under A to C in the corresponding views as in Figure 3.

Mit 1 ist ein quaderförmiger, langgestreckter, blockartiger Klingenhalter aus formstabilem Material, zum Beispiel Holz oder Kunststoff, bezeichnet. An der Oberseite 2 des Klingenhalters ist ein Handgriff 3 befestigt, der spiegelsymmetrisch zur Zeichenebene der Figur 1 zum Klingenhalter ausgeführt ist. Der Handgriff ist ein ringförmiger Bügel, der die Kontur eines abgerundeten, etwa rechteckigen, durch strichpunktierte Linien eingezeichneten Dreiecks hat. Entlang der Hypotenuse 4 erstreckt sich der Bügel entlang des Klingenhalters, und zwar über dessen gesamte Länge. Entlang der kurzen Kathete 18 erstreckt sich der Bügel und entlang der langen Kathete 6 bildet er eine Handauflage 7.With 1 is a cuboid, elongated, block-like blade holder made of dimensionally stable material, for example wood or plastic. On the top 2 of the blade holder, a handle 3 is attached, which is mirror-symmetrical to the plane of Figure 1 to the blade holder. The handle is a ring-shaped bracket that has the contour of a rounded, approximately rectangular triangle drawn in with dash-dotted lines. The bracket extends along the blade holder along the hypotenuse 4, namely over its entire length. The bracket extends along the short cathete 18 and forms a hand rest 7 along the long cathete 6.

Wenn der Benutzer die Vorrichtung mit der flachen Unterseite 11 auf eine horizontale Tischplatte 19, wie in Figur 1 angedeutet, aufsetzt und von oben mit der Hand auf die Handauflage 7 kräftig einwirkt, dann entsteht eine in Pfeilrichtung 8 gerichtete Kraftwirkung, die schräg zur Oberfläche 9 der Tischplatte 19 gerichtet ist und eine Komponente in Vorschubrichtung gemäß Pfeil 5 aufweist. Diese Kraftwirkung gemäß Pfeil 8 durchsetzt das hintere Viertel des Klingenhalters 1. In diesem hinteren Viertel ist ein Klingenstück 10 in einer Ausnehmung 14 in der Unterseite 11 des Klingenhalters auswechselbar befestigt.When the user places the device with the flat underside 11 on a horizontal table top 19, as in FIG. 1 indicated, touches down and acts vigorously with the hand on the hand rest 7 from above, then there is a force effect directed in the direction of the arrow 8, which is directed obliquely to the surface 9 of the table top 19 and has a component in the direction of advance according to arrow 5. This force effect according to arrow 8 passes through the rear quarter of the blade holder 1. In this rear quarter, a blade piece 10 is exchangeably fastened in a recess 14 in the underside 11 of the blade holder.

Das Klingenstück 10 hat U-förmigen Querschnitt mit gespreizten U-Schenkeln. Jeder dieser U-Schenkel bildet eine Klinge 12, 13. Durch schräge Ausgestaltung der Ausnehmung 14 ist in der gezeichneten Einbaustellung nur die rückwärts gelegene Klinge 13 in Funktionsstellung, die vorwärts gelegene Klinge 12 ist funktionslos.The blade piece 10 has a U-shaped cross section with spread U-legs. Each of these U-legs forms a blade 12, 13. Due to the inclined configuration of the recess 14, in the installation position shown, only the blade 13 lying in the rear is in the functional position, the blade 12 lying forward is without function.

Wird das Klingenstück um 180° gegenüber einer vertikalen Achse gedreht montiert, dann ist die Klinge 12 allein in Funktionsstellung. Das Klingenstück 10 ist zu diesem Zweck spiegelsymmetrisch ausgestaltet.If the blade piece is mounted rotated by 180 ° with respect to a vertical axis, then the blade 12 is in the functional position alone. The blade piece 10 is designed mirror-symmetrical for this purpose.

Die in Funktionsstellung befindliche Klinge 13 erstreckt sich im rückwärtigen Viertel der Unterseite 11 im Bereich der Kraftwirkung gemäß Pfeil 8. Die Klinge 13 ist im spitzen Winkel 15 von 60°, bezogen auf die Vorschubrichtung gemäß Pfeil 5, nach vorn geneigt.The blade 13 in the functional position extends in the rear quarter of the underside 11 in the area of the force action according to arrow 8. The blade 13 is inclined forward at an acute angle 15 of 60 °, based on the direction of advance according to arrow 5.

Die Schneide 16 der Klinge 13 erstreckt sich, wie aus Figur 2 ersichtlich, fast über die ganze Breite des Klingenhalters 1 und ragt um 0,2 bis 3,0 mm aus der Unterseite heraus. Die Schneide 16 ist entstanden durch eine einseitige Schlifffläche 17 entlang des vorderen Randes der Klinge. Diese Schlifffläche liegt auf der rückwärts, also gegen die Vorschubrichtung, gerichteten Seite der in Funktionsstel lung befindlichen Klinge 13, trägt also nicht zur Definition des Anstellwinkels 15 bei. Der Anstellwinkel 15 wird vielmehr durch die Vorderseite der Klinge 13 definiert. Die Schneide 16 ist, wie aus Figur 2 ersichtlich, ballig, das heißt, sie ragt in der Mitte weiter nach unten als an den Rändern, und zwar entlang einer Krümmung. Diese Balligkeit ist nach Figur 1 und 2 hervorgerufen durch eine Klinge, die in der Mitte entsprechend länger ist als in den Randbereichen, wie dies aus Figur 3 ersichtlich ist.The cutting edge 16 of the blade 13 extends, as can be seen from FIG. 2, almost over the entire width of the blade holder 1 and protrudes from the underside by 0.2 to 3.0 mm. The cutting edge 16 is created by a one-sided grinding surface 17 along the front edge of the blade. This grinding surface is on the back, ie against the feed direction, the side of the function blade 13, does not contribute to the definition of the angle of attack 15. The angle of attack 15 is rather defined by the front of the blade 13. As can be seen from FIG. 2, the cutting edge 16 is spherical, that is to say it projects further downwards in the middle than at the edges, specifically along a curvature. According to FIGS. 1 and 2, this crowning is caused by a blade which is correspondingly longer in the middle than in the edge regions, as can be seen from FIG. 3.

Die Balligkeit kann aber auch hervorgerufen werden durch eine Biegung der Klinge im Schneidenbereich oder der gesamten Klinge 20, wie in Figur 4 dargestellt. Die Klinge 20 mit der Schneide 23 ist um eine Achse 21 gekrümmt, die sich in Anstellrichtung 22 der Klinge 20 erstreckt und zu dieser gegen die Vorschubrichtung gemäß Pfeil 5, also nach hinten versetzt, ist.However, the crowning can also be brought about by bending the blade in the cutting area or the entire blade 20, as shown in FIG. 4. The blade 20 with the cutting edge 23 is curved about an axis 21 which extends in the direction of attack 22 of the blade 20 and is offset relative to the direction of advance according to arrow 5, ie to the rear.

Man kann die Balligkeiten nach Figur 3 und 4 auch miteinander kombinieren.One can also combine the crowns according to FIGS. 3 and 4 with one another.

Claims (8)

Vorrichtung zum Reinigen von durch Verletzung aufgerauhten Oberflächen von Arbeitsplatten, insbesondere kunststoffbeschichtete Platten zum Zuschneiden von Fleisch oder dergleichen Lebensmittel, ausgebildet nach Art eines Hobels, mit einem formstabilen, blockartigen, langgestreckten Klingenhalter, der eine flache, gerade Unterseite hat, mit einer Klinge, die schräg zur Längsrichtung der Unterseite gehaltert und mit Ihrer Schneide aus der Unterseite herausragt, und mit einem Handgriff an der Oberseite des Klingenhalters, der eine Vorschubrichtung in Längsrichtung des Klingenhalters und eine vorwärts gerichtete Kraftkomponente schräg zur Vorschubrichtung auf die Unterseite definiert, gekennzeichnet durch die Ausbildung als Schaber dadurch, daß die Klinge ( 12 ) im, bezogen auf die Vorschubrichtung ( 5 ) rückwärtigen Viertel der Unterseite ( 11 ) angeordnet ist, daß die Klinge im spitzen Anstellwinkel ( 15 ), bezogen auf die Vorschubrichtung nach vorn geneigt ist und daß der durch den Handgriff ( 3 ) definierte Ansatz der schräg nach unten gerichteten Kraftkomponente ( 8 ) über der rückwärtigen Hälfte, vorzugsweise über dem rückwärtigen Drittel, des Klingenhalters ( 1 ) liegt. Device for cleaning surfaces of worktops roughened by injury, in particular plastic-coated plates for cutting meat or similar foods, designed in the manner of a slicer, with a dimensionally stable, block-like, elongated blade holder that has a flat, straight underside, with a blade that is held at an angle to the longitudinal direction of the underside and protrudes with its cutting edge from the underside, and with a handle on the top of the blade holder, which defines a feed direction in the longitudinal direction of the blade holder and a forward force component obliquely to the feed direction on the underside, characterized by the design as a scraper, that the blade (12) is arranged in the rear quarter of the underside (11) relative to the feed direction (5), that the blade is inclined forward at an acute angle of attack (15) with respect to the feed direction and that the approach defined by the handle (3) of the obliquely downward force component (8) over the rear half, preferably over the rear third, of the blade holder (1). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Klingenhalter ( 1 ) eine quaderförmige Platte ist, daß der Handgriff ( 3 ) ein ringförmiger Bügel ist, der spiegelsymmetrisch zur Längsrichtung ( 5 ) des Klingenhalters ausgeführt ist und die Kontur eines abgerundeten, etwa rechtwinkligen Dreiecks hat, dessen Hypotenuse ( 4 ) sich entlang des Klingenhalters, und zwar etwa über dessen gesamte Länge erstreckt, dessen kurze Kathete ( 18 ) in Vorschub richtung ( 5 ) vorn liegt und dessen lange Kathete ( 6 ) eine Handauflage ( 7 ) definiert. Device according to claim 1, characterized in that the blade holder (1) is a cuboid plate, that the handle (3) is an annular bracket that is mirror-symmetrical to the longitudinal direction (5) of the blade holder and has the contour of a rounded, approximately right-angled triangle, the hypotenuse (4) of which extends along the blade holder, approximately over its entire length extends, the short cathetus (18) in advance Direction (5) lies in front and the long catheter (6) defines a hand rest (7). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Anstellwinkel ( 15 ) der Klinge ( 13 ) 50 bis 80° (Grad), vorzugsweise 60°, beträgt. Device according to one of the preceding claims, characterized in that that the angle of attack (15) of the blade (13) is 50 to 80 ° (degrees), preferably 60 °. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schneide ( 16 ) der Klinge ( 13 ) durch eine einzige schräg angesetzte Schliffläche ( 17 ) gebildet ist und daß die Klinge mit dieser Schliffläche, bezogen auf die Vorschubrichtung ( 5 ) nach rückwärts gerichtet angeordnet ist. Device according to one of the preceding claims, characterized in that that the cutting edge (16) of the blade (13) is formed by a single inclined grinding surface (17) and that the blade with this ground surface is arranged in a rearward direction with respect to the feed direction (5). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schneide ( 16 ) über ihre gesamte Länge ballig ausgeführt ist. Device according to one of the preceding claims, characterized in that that the cutting edge (16) is crowned over its entire length. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Balligkeit einer längeren Ausgestaltung der Klinge ( 13 ) in der Mitte und einer kürzeren Ausgestaltung derselben an den Randbereichen entspricht. Apparatus according to claim 5, characterized in that the crown corresponds to a longer configuration of the blade (13) in the middle and a shorter configuration of the same at the edge regions. Vorrichtung nach Anspruch 5 und/oder 6, dadurch gekennzeichnet, daß die Balligkeit einer Biegung der Klinge ( 20 ) im Schneidenbereich ( 22 ) entspricht, und zwar um eine Achse ( 21 ), die sich in Anstellrichtung der Klinge erstreckt und zu dieser gegen die Vorschubrichtung ( 5 ) versetzt ist. Device according to claim 5 and / or 6, characterized in that that the crowning corresponds to a bend of the blade (20) in the cutting area (22), namely about an axis (21) which extends in the direction of attack of the blade and is offset from the feed direction (5). Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß ein Klingenstück ( 10 ) mit U-förmigem Querschnitt vorgesehen ist, daß die beiden U-Schenkel je als Klinge ( 12, 13 ) ausgebildet sind und daß eine Ausnehmung ( 14 ) für das Klingenstück an der Unterseite ( 11 ) des Klingenhalters ( 1 ) vorgesehen ist, an der das Klingenstück in zwei Stellungen halterbar ist, von denen in der einen Stellung die eine Klinge ( 12 ) und in der anderen Stellung die andere Klinge ( 13 ) funktionsfähig und die jeweils andere Klinge funktionslos ist. Apparatus according to claim 7, characterized in that a blade piece (10) with a U-shaped cross section is provided, that the two U-legs are each designed as a blade (12, 13) and that a recess (14) for the blade piece is provided on the underside (11) of the blade holder (1), on which the blade piece can be held in two positions, of which in one position the one blade (12) and in the other position the other blade (13) is functional and the other blade is inoperative.
EP90118931A 1989-12-06 1990-10-04 Worktop cleaning device Expired - Lifetime EP0431276B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90118931T ATE92388T1 (en) 1989-12-06 1990-10-04 DEVICE FOR CLEANING WORKTOPS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940325 1989-12-06
DE3940325A DE3940325C2 (en) 1989-12-06 1989-12-06 Device for scraping roughened surfaces of worktops

Publications (3)

Publication Number Publication Date
EP0431276A2 true EP0431276A2 (en) 1991-06-12
EP0431276A3 EP0431276A3 (en) 1991-10-09
EP0431276B1 EP0431276B1 (en) 1993-08-04

Family

ID=6394914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118931A Expired - Lifetime EP0431276B1 (en) 1989-12-06 1990-10-04 Worktop cleaning device

Country Status (3)

Country Link
EP (1) EP0431276B1 (en)
AT (1) ATE92388T1 (en)
DE (2) DE3940325C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003089007A1 (en) * 2002-04-22 2003-10-30 Adcock Ingram Intellectual Property (Proprietary) Limited Pharmaceutical compositions comprising a decongenstant and further active ingredients for treating cough and flu
ITMI20100525A1 (en) * 2010-03-30 2011-10-01 Michele Amadei SCRAPER FOR CLEANING CUTTERS FOR FOOD.
CN102267152A (en) * 2011-08-12 2011-12-07 刘碧俊 Chopping board forming machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1461615A (en) * 1923-07-10 Meat-block cleaneb
DE649557C (en) * 1937-08-27 Franz Rodeck Wooden planes with replaceable, straight-edged, flat, flexible knife blades
US2651340A (en) * 1949-07-28 1953-09-08 Lawrence C Lumetta Carpenter hand plane
DE1432526A1 (en) * 1962-10-24 1968-11-21 Lutz Kg Maschf Eugen Chopping block cleaner for butcher shops
US4449299A (en) * 1981-09-28 1984-05-22 Mulrooney James F Combination scraping plane
DE3622389A1 (en) * 1986-02-24 1988-02-11 Ott Werkzeug & Maschf G Plane iron for hand planes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US586164A (en) * 1897-07-13 Floor-plane
DE385688C (en) * 1922-02-21 1923-12-11 Fischer Arthur Scraper with interchangeable knives

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1461615A (en) * 1923-07-10 Meat-block cleaneb
DE649557C (en) * 1937-08-27 Franz Rodeck Wooden planes with replaceable, straight-edged, flat, flexible knife blades
US2651340A (en) * 1949-07-28 1953-09-08 Lawrence C Lumetta Carpenter hand plane
DE1432526A1 (en) * 1962-10-24 1968-11-21 Lutz Kg Maschf Eugen Chopping block cleaner for butcher shops
US4449299A (en) * 1981-09-28 1984-05-22 Mulrooney James F Combination scraping plane
DE3622389A1 (en) * 1986-02-24 1988-02-11 Ott Werkzeug & Maschf G Plane iron for hand planes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003089007A1 (en) * 2002-04-22 2003-10-30 Adcock Ingram Intellectual Property (Proprietary) Limited Pharmaceutical compositions comprising a decongenstant and further active ingredients for treating cough and flu
ITMI20100525A1 (en) * 2010-03-30 2011-10-01 Michele Amadei SCRAPER FOR CLEANING CUTTERS FOR FOOD.
CN102267152A (en) * 2011-08-12 2011-12-07 刘碧俊 Chopping board forming machine

Also Published As

Publication number Publication date
EP0431276A3 (en) 1991-10-09
ATE92388T1 (en) 1993-08-15
DE3940325A1 (en) 1991-06-13
DE3940325C2 (en) 1996-02-22
DE59002199D1 (en) 1993-09-09
EP0431276B1 (en) 1993-08-04

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