EP0018657B1 - Set-square for dividing angles and tracing parallels - Google Patents

Set-square for dividing angles and tracing parallels Download PDF

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Publication number
EP0018657B1
EP0018657B1 EP80102407A EP80102407A EP0018657B1 EP 0018657 B1 EP0018657 B1 EP 0018657B1 EP 80102407 A EP80102407 A EP 80102407A EP 80102407 A EP80102407 A EP 80102407A EP 0018657 B1 EP0018657 B1 EP 0018657B1
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EP
European Patent Office
Prior art keywords
frame
limb
set square
leg
square according
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
Application number
EP80102407A
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German (de)
French (fr)
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EP0018657A1 (en
Inventor
Norbert-Josef Rohde
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Individual
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Individual
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Publication date
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Priority to AT80102407T priority Critical patent/ATE2607T1/en
Publication of EP0018657A1 publication Critical patent/EP0018657A1/en
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Publication of EP0018657B1 publication Critical patent/EP0018657B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Definitions

  • the present invention relates to a dividing and parallel drawing angle, consisting of two abutment legs including a right angle, connected at one end to one another, and a holding leg fastened between them in their cutting area, one longitudinal edge of which is the bisector of the included right angle.
  • This centering angle is already known as a so-called centering angle.
  • This centering angle is applied to the circumference of a circular area with both contact legs, so that the center point of the circular area can be torn by means of the central leg.
  • this known centering angle it is not possible to make arbitrary circular divisions on the round body and to draw or record any polygons, be they regular or irregular, on the surface of the round body.
  • a tell-teller, a parallel height ripper and a marking plate have been used so far, but their joint handling is relatively difficult and time-consuming.
  • these three parts are bulky and difficult to transport. In addition, they require considerable manufacturing costs.
  • the object of the present invention is to improve an angle device according to the prior art in such a way that any division and any polygon can be easily and quickly marked on the circular surface of a round body.
  • the angle device according to the invention should also be distinguished by a relatively low weight and low production costs.
  • an angled frame forming a right angle is arranged with its one frame leg on the middle leg, and a stop is slidably attached to this frame leg, the stop surface of which can be placed against the workpiece to be torn on the opposite side of the contact leg perpendicular to the longitudinal bisecting edge of the middle leg is standing, and the two frame legs are connected to each other by a leg forming at least a quarter-circle arc and there are preferably adjustment scales on the middle leg, the frame legs and the arcuate leg. It is advantageous if the two frame legs are of the same length.
  • a degree pointer is arranged displaceably perpendicularly to the quarter-circle-shaped leg.
  • the radius of the workpiece to be scribed is set on the leg of the angular frame parallel to the center leg. With this stop adjusted in this way, the angular frame is then shifted until it lies against the workpiece with the stop.
  • the degree pointer points exactly to the center of the workpiece, so that it can be marked easily, and with the help of one on the degree scale on the quarter-circle leg and second nonies on the degree indicator, any angle can be set on the quarter-circle leg of the angle frame and be scribed on the workpiece.
  • the angle set in each case can be added by rotating the entire angle device and thus any division and any polygon be scribed on the workpiece.
  • the parallel bar provided according to the invention serves to mark out squares or rectangles or to connect the intersections of polygons, be they regular, irregular or also to mark tendons and the like.
  • a centering and dividing angle which represents an easy-to-use tool in terms of its construction and, above all, its weight, and which can be used in a mobile manner, i.e. it can be used and used quickly anywhere.
  • This is particularly advantageous, for example, for workpieces that are not themselves transportable, either because of their weight or because they are firmly connected to other components.
  • a centering and dividing angle according to the invention consists of two stop legs 1, 2 which enclose a right angle and are connected at one end to the other forms.
  • the entire centering and dividing angle is stiffened by a cross bar 6, which is connected to one contact leg 1 and the middle leg 3.
  • a handle 7 is formed with which the centering and dividing angle can be handled.
  • the handle 7 can be made of plastic, for example, and is, for example, screw-like on the outside side of the system leg attached.
  • an angled frame 8 enclosing a right angle with a frame leg 9 is arranged to be longitudinally displaceable on the middle leg 3.
  • the frame leg 9 on the middle leg 3 has, for example at its two ends, transverse webs 11 which laterally enclose the middle leg with their web ends and are advantageously held in grooves in the middle leg in the form of a dovetail-shaped guide.
  • a grip part 11a is provided with a locking screw 12, with which the position of the entire angular frame on the center leg 3 can be fixed in the desired position.
  • the free ends of the frame legs 9, 10 of the angular frame 8 are connected to one another at the ends by an arcuate leg 14, which in the example shown is a quarter-circle arc.
  • a degree pointer 16 is displaceably arranged on the arcuate leg 14 by means of a guide part 17.
  • a stop body 21 is slidably arranged on the frame leg 9 of the angle frame 8 parallel to the center leg 3.
  • This stop body 21 consists of a guide part 22 and a stop section 23 perpendicular to the guide part, which is displaced such that the body 38 to be torn is enclosed between this stop and the two contact legs 1 and 2.
  • the stop section 23 is advantageously detachably attached to the guide part 22.
  • the guide part 22 is guided on the frame leg 9 in the same longitudinal guide grooves.
  • the stop body 21 can be fixed in any position on the frame leg 9 of the angular frame.
  • the entire angular frame together with the stop body on the middle leg 3 can then be displaced in the longitudinal direction.
  • the centering and dividing angle according to the invention also has a parallel bar 26.
  • This parallel bar is displaceably arranged at one end by means of a guide part 27 on the contact leg 2.
  • the guide part 27 is guided on the contact leg 2 in a manner known per se by means of T-shaped guide grooves which engage in the projections formed on the guide part 27.
  • the guide part 27 can be fixed on the contact leg 2 by means of a locking screw 28.
  • the contact leg 2, which serves to guide the parallel bar 26 is expediently longer than the contact leg 1.
  • a handle 29 is formed on the guide part , advantageously made of plastic, with which an easier handling of the guide part is achieved.
  • the individual parts of the centering and dividing angle according to the invention have different scales.
  • a continuous scale 31 is provided on the middle leg, this scale 31 has a millimeter graduation.
  • the two frame legs 9, 10 also have scales 32, 33, which expediently have a millimeter graduation.
  • the scales 32, 33 are not arranged on the frame legs in such a way that the longitudinal edge 4 of the middle leg coincides with the start of the scale 32 and the inner edge 34 of the frame leg 10 coincides with the start of the scale 33.
  • a scale 35 is preferably also provided on the parallel bar 26 , which has a millimeter division.
  • the contact leg 2 also has a scale. If the guide part 27 is shifted on the scale by 10 mm, the guide part 27 actually travels a distance of 14.14 mm on the contact leg 2, but the distance between the middle leg 3 and the parallel bar 26 changes only by 10 mm.
  • the operation of the centering and dividing angle according to the invention shown in FIG. 1 is now as follows: First, the radius of a workpiece 38 to be machined, which is shown in broken lines, is set with the stop body 21 on the scale 33 of the frame leg 9, and by means of the locking screw 24, the stop body 21 is clamped against vibration. Then the entire angular frame 8 with the stop body 21 is moved to the stop of its stop section 23 on the workpiece and fixed with the locking screw 12 also vibration-proof.
  • the centering and dividing angle according to the invention is thus also fixed on the workpiece 38 to be marked and includes this, but it can easily be rotated 360 ° and more around the workpiece.
  • the degree pointer 16 is now aligned and points precisely to the center of the workpiece 38, which can thus be easily torn.
  • any angle can be set and marked with a scriber on the workpiece.
  • the edge 34 of the frame leg 10 forms the second center line to the workpiece at an angle of 90 ° to the longitudinal edge 4, the angle set with the degree pointer can be added as often as desired by rotating the entire angle and thus any division and any polygon on the Workpiece to be scribed.
  • the parallel bar 26 serves to mark out squares or rectangles or to connect the intersections of polygons, be they regular or irregular or else for Marking of tendons, secants and tangents or the like.
  • the used distance between the parallel bar and the middle leg is set on the scale of the contact leg 2 with the guide part 27. Then the parallel bar is fixed with a vibration-proof screw, and now the desired line on the workpiece can be marked, for example with the help of a scriber.
  • the exemplary embodiment shown therein differs from that according to FIG. 1 in that, on the one hand, the adjustment of the angular frame via the handle part 11a and, on the other hand, the parallel cable strip are designed differently.
  • An adjustment body 42 which acts on the handle part 41 of the angle frame 8 by means of an adjustment pin 43, is used for fine adjustment of the position of the angle frame 8.
  • the distance between the two parts 41, 42 can be adjusted via the pin 43 by means of an adjusting wheel 44. Both parts can be fixed by means of locking screws 45, 46.
  • Another difference is in the design of the parallel bar 50. In the example shown, this consists of two scale carriers 52 formed parallel to one another on a guide part 51.
  • the scale carriers 52 are connected at their free ends via a web 54 for reasons of stability.
  • This embodiment has the advantage that, due to the fixed distance between the two scale carriers 52, several parallel lines can be drawn simultaneously.
  • the scale present on the scale carriers 52 is expediently again a millimeter scale 55.
  • Flg. 3 shows a further embodiment of a centering and pitch angle according to the invention.
  • the main difference to the embodiment according to FIG. 1 consists in the different guidance of the parallel bar 60.
  • This parallel bar 60 is slidably attached to a bar 61 running perpendicular to it, which is guided on the frame leg 10 perpendicular to the central leg 3 of the angle frame 8 .
  • the frame leg 10 has a guide part 62 fastened to it, in which the vertical bar 61 is dovetailed in grooves.
  • the vertical bar 61 expediently has a scale so that the distance to the middle leg 3 can be easily adjusted.
  • the design of the handle part 63 this corresponds in the form shown to the handle part 11 a according to FIG. 1.
  • stop part 21 there is no stop part 21, as shown in FIG. 1, but such a stop part is also present in the embodiments of FIGS. 2 and 3.

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  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Liquid Crystal Substances (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

A square for plotting angles, parallels, and polygonal shapes on the circular surface of a cylindrical body. The square includes a pair of contact arms forming a right angle, and a center arm forming a bisector of the right angle. A protractor frame is slidably attached to the center arm, and a pointer is attached to the arc-shaped portion of the protractor. The square includes a separate attached straightedge parallel to the center arm, and movable in variable spaced relation thereto.

Description

Die vorliegende Erfindung betrifft einen Teilungs- und Parallelzeichnungswinkel, bestehend aus zwei einen rechten Winkel einschliessenden, einendig miteinander verbundenen Anlageschenkein sowie einem zwischen diesen in deren Schnittbereich befestigten Halteschenkel, dessen eine Längskante die Winkelhalbierende des eingeschlossenen rechten Winkels ist.The present invention relates to a dividing and parallel drawing angle, consisting of two abutment legs including a right angle, connected at one end to one another, and a holding leg fastened between them in their cutting area, one longitudinal edge of which is the bisector of the included right angle.

Es ist bereits ein Winkel als sogenannter Zentrierwinkel bekannt. Dieser Zentrierwinkel wird mit beiden Anlageschenkeln an den Umfang einer Kreisfläche angelegt, so dass mittels des Mittelschenkels der Mittelpunkt der Kreisfläche angerissen werden kann. Jedoch ist es auch bei Verwendung dieses bekannten Zentrierwinkels nicht möglich, beliebige Kreisteilungen am Rundkörper vorzunehmen und beliebige Vielecke, seien sie regel- oder unregelmässig, auf der Oberfläche des Rundkörpers anzureissen oder aufzuzeichnen. Für derartige Anreissarbeit auf einem Rundkörper mit kreisförmiger Oberfläche benutzte man bisher einen Tellapparat, einen Parallel-Höhenreisser sowie eine Anreissplatte, deren gemeinsame Handhabung jedoch relativ schwierig und zeitaufwendig ist. Darüber hinaus sind diese drei Teile unhandlich und nur schwer zu transportieren. Darüber hinaus erfordern sie beträchtliche Herstellungskosten.An angle is already known as a so-called centering angle. This centering angle is applied to the circumference of a circular area with both contact legs, so that the center point of the circular area can be torn by means of the central leg. However, even when using this known centering angle, it is not possible to make arbitrary circular divisions on the round body and to draw or record any polygons, be they regular or irregular, on the surface of the round body. For such marking work on a round body with a circular surface, a tell-teller, a parallel height ripper and a marking plate have been used so far, but their joint handling is relatively difficult and time-consuming. In addition, these three parts are bulky and difficult to transport. In addition, they require considerable manufacturing costs.

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, ein Winkelgerät gemäss dem Stand der Technik dahingehend zu verbessern, dass mit ihm auf der kreisförmigen Fläche eines Rundkörpers jede beliebige Teilung und jedes beliebige Vieleck leicht und schnell angerissen werden können. Dabei soll sich das erfindungsgemässe Winkelgerät auch durch ein relativ geringes Gewicht und geringe Herstellungskosten auszeichnen.The object of the present invention is to improve an angle device according to the prior art in such a way that any division and any polygon can be easily and quickly marked on the circular surface of a round body. The angle device according to the invention should also be distinguished by a relatively low weight and low production costs.

Erfindungsgemäss wird dies dadurch erreicht, dass auf dem Mittelschenkel ein einen rechten Winkel bildender WInkelrahmen mit seinem einen Rahmenschenkel längs verschiebbar angeordnet ist, und an diesem Rahmenschenkel ein Anschlag verschiebbar befestigt ist, dessen gegen das anzureissende Werkstück an der gegenüberliegenden Seite der Anlageschenkel anlegbare Anschlagfläche senkrecht auf der die Winkelhalbierende bildenden Längskante des Mittelschenkels steht, sowie die beiden Rahmenschenkel durch einen zumindest einen Viertelkreisbogen bildenden Schenkel miteinander verbunden sind und vorzugsweise auf dem Mittelschenkel, den Rahmenschenkeln und dem kreisbogenförmigen Schenkel Einstellskalen vorhanden sind. Dabei ist es vorteilhaft, wenn die beiden Rahmenschenkel gleich lang ausgebildet sind. Weiterhin kann es erfindungsgemäss vorteilhaft sein, wenn auf dem vlertelkreisbogenförmigen Schenkel senkrecht zu diesem ein Gradzeiger verschiebbar angeordnet ist. Mittels des Anschlages wird auf dem zum Mittelschenkel parallelen Schenkel des Winkelrahmens der Radius des anzureissenden Werkstückes eingestellt. Mit diesem derart einjustierten Anschlag wird dann der Winkelrahmen verschoben, und zwar bis er mit dem Anschlag am Werkstück anliegt. Nach dieser Einstellung zeigt der Gradzeiger genau auf den Mittelpunkt des Werkstückes, so dass dieser leicht markiert werden kann, und mit Hilfe einer auf der Gradskala auf dem Viertelkreisbogen-Schenkel und zweiter Nonien auf dem Gradanzeiger kann auf dem viertelkreisbogenförmigen Schenkel des WInkelrahmens jeder beliebige Winkel eingestellt und auf dem Werkstück angerissen werden. Da die Innenseite des zum Mittelschenkel senkrechten Schenkels des Winkel rahmens die zweite Mittellinie zum Werkstück im Winkel von 90° zur von dem Mittelschenkel gebildeten Mittellinie bildet, kann durch Drehen des gesamten Winkelgerätes der jeweils eingestellte Winkel addiert werden und somit jede beliebige Teilung und jedes beliebige Vieleck auf dem Werkstück angerissen werden. Die erfindungsgemäss vorgesehene Parallelleiste dient zum Anreissen von Quadraten oder Rechtekken oder zum Verbinden der Schnittpunkte von Vielecken, seien sie regelmässig, unregelmässig oder aber auch zum Anreissen von Sehnen und dergleichen.According to the invention, this is achieved in that an angled frame forming a right angle is arranged with its one frame leg on the middle leg, and a stop is slidably attached to this frame leg, the stop surface of which can be placed against the workpiece to be torn on the opposite side of the contact leg perpendicular to the longitudinal bisecting edge of the middle leg is standing, and the two frame legs are connected to each other by a leg forming at least a quarter-circle arc and there are preferably adjustment scales on the middle leg, the frame legs and the arcuate leg. It is advantageous if the two frame legs are of the same length. Furthermore, it can be advantageous according to the invention if a degree pointer is arranged displaceably perpendicularly to the quarter-circle-shaped leg. By means of the stop, the radius of the workpiece to be scribed is set on the leg of the angular frame parallel to the center leg. With this stop adjusted in this way, the angular frame is then shifted until it lies against the workpiece with the stop. After this setting, the degree pointer points exactly to the center of the workpiece, so that it can be marked easily, and with the help of one on the degree scale on the quarter-circle leg and second nonies on the degree indicator, any angle can be set on the quarter-circle leg of the angle frame and be scribed on the workpiece. Since the inside of the leg of the angle frame perpendicular to the center leg forms the second center line to the workpiece at an angle of 90 ° to the center line formed by the center leg, the angle set in each case can be added by rotating the entire angle device and thus any division and any polygon be scribed on the workpiece. The parallel bar provided according to the invention serves to mark out squares or rectangles or to connect the intersections of polygons, be they regular, irregular or also to mark tendons and the like.

Erfindungsgemäss wird demnach ein Zentrier-und Teilungswinkel geschaffen, der von der Konstruktion und vor allem vom Gewicht her ein leicht zu handhaben-des-Werkzeug darstellt und der mobil einsatzfähig ist, d.h. er kann an jedem Ort schnell eingesetzt und benutzt werden. Dies ist insbesondere beispielsweise bei Werkstücken von grossem Vorteil, die selbst nicht transportabel sind, und zwar entweder aufgrund ihres Gewichtes oder da sie mit anderen Bauelementen fest verbunden sind.According to the invention, therefore, a centering and dividing angle is created which represents an easy-to-use tool in terms of its construction and, above all, its weight, and which can be used in a mobile manner, i.e. it can be used and used quickly anywhere. This is particularly advantageous, for example, for workpieces that are not themselves transportable, either because of their weight or because they are firmly connected to other components.

Weitere vorteilhafte Ausführungsformen sind in den Unteransprüchen 4 bis 8 enthalten.Further advantageous embodiments are contained in subclaims 4 to 8.

Anhand der in den beiliegenden Zeichnungen dargestellten Ausführungsbeispielen wird die Erfindung näher erläutert. Es zeigen:

  • Fig. 1 bis 3 verschiedene Ausführungsformen in der Aufsicht eines erfindungsgemässen Zentrier-und Teilungswinkels.
The invention is explained in more detail with reference to the exemplary embodiments illustrated in the accompanying drawings. Show it:
  • 1 to 3 different embodiments in the supervision of a centering and dividing angle according to the invention.

Ein erfindungsgemässer Zentrier- und Teilungswinkel besteht aus zwei einen rechten Winkel einschliessenden, einendig miteinander verbundenen Anschlageschenkeln 1, 2. Zwischen den Anschlageschenkeln 1, 2 in deren Schnittpunkt ist ein Mittelschenkel 3 befestigt, dessen eine Längskante 4 die Winkelhalbierende des von den Anlageschenkeln eingeschlossenen rechten Winkels bildet. Durch eine Querleiste 6, die mit dem einen Anlageschenkel 1 und dem Mittelschenkel 3 verbunden ist, wird der gesamte Zentrier- und Teilungswinkel versteift. An dem Anlageschenkel 1 ist an dessen Aussenseite ein Griff 7 ausgebildet, mit dem der Zentrier- und Teilungswinkel gehandhabt werden kann. Der Griff 7 kann beispielsweise aus Kunststoff bestehen und ist beispielsweise schraubgemäss an der Aussenseite des Anlageschenkels befestigt. Wie sich weiter aus Fig. 1 ergibt, ist auf dem Mittelschenkel 3 ein einen rechten Winkel einschliessender Winkelrahmen 8 mit einem Rahmenschenkel 9 längs verschiebbar angeordnet. Zur Führung des Rahmenschenkels 9 auf dem Mittelschenkel 3 weist dieser beispielsweise an seinen beiden Enden Querstege 11 auf, die mit ihren Stegenden den Mittelschenkel seitlich umfassen und in Nuten des Mittelschenkels vorteilhafterweise in Form einer schwalbenschwanzförmigen Führung gehalten sind. Am Ende des Rahmenschenkels 9 ist ein Griffteil 11a mit einer Feststellschraube 12 vorgesehen, mit denen die Lage des gesamten Winkelrahmens auf dem Mittelschenkel 3 in der jeweils gewünschten Stellung fixiert werden kann. Die freien Enden der Rahmenschenkel 9, 10 des Winkelrahmens 8 sind endseitig miteinander durch einen bogenförmigen Schenkel 14 verbunden, der im dargestellten Beispiel viertelkreisbogenförmig ist. Auf dem bogenförmigen Schenkel 14 ist ein Gradzeiger 16 mittels eines Führungsteils 17 verschiebbar angeordnet. Mit einer Feststellschraube 18 kann der Gradzeiger in jeder beliebigen Stellung auf dem bogenförmigen Schenkel 14 fixiert werden. Zur leichteren Handhabung des Führungsteils 17 befindet sich an dessen Aussenseite ein Griff 19, vorzugsweise aus Kunststoff. Auf dem zum Mittelschenkel 3 parallelen Rahmenschenkel 9 des Winkelrahmens 8 ist ein Anschlagkörper 21 verschiebbar angeordnet. Dieser Anschlagkörper 21 besteht aus einem Führungsteil 22 und einem zum Führungsteil senkrechten Anschlagabschnitt 23, der so verschoben wird, dass der anzureissende Körper 38 zwischen diesem Anschlag und den beiden Anlageschenkeln 1 und 2 eingeschlossen ist. Der Anschlagabschnitt 23 ist vorteilhafterweise lösbar am Führungsteil 22 befestigt. Das Führungsteil 22 ist auf dem Rahmenschenkel 9 in längsverlaufenden Führungsnuten desselben geführt. Mittels einer Feststellschraube 24 kann der Anschlagkörper 21 in jeder beliebigen Stellung an dem Rahmenschenkel 9 des Winkelrahmens fixiert werden. Durch diese Fixiermöglichkeit mittels der' Feststellschraube 24 kann dann der gesamte Winkelrahmen zusammen mit dem Anschlagkörper auf dem Mittelschenkel 3 in Längsrichtung verschoben werden.A centering and dividing angle according to the invention consists of two stop legs 1, 2 which enclose a right angle and are connected at one end to the other forms. The entire centering and dividing angle is stiffened by a cross bar 6, which is connected to one contact leg 1 and the middle leg 3. On the outside of the contact leg 1, a handle 7 is formed with which the centering and dividing angle can be handled. The handle 7 can be made of plastic, for example, and is, for example, screw-like on the outside side of the system leg attached. As can further be seen from FIG. 1, an angled frame 8 enclosing a right angle with a frame leg 9 is arranged to be longitudinally displaceable on the middle leg 3. To guide the frame leg 9 on the middle leg 3, the latter has, for example at its two ends, transverse webs 11 which laterally enclose the middle leg with their web ends and are advantageously held in grooves in the middle leg in the form of a dovetail-shaped guide. At the end of the frame leg 9, a grip part 11a is provided with a locking screw 12, with which the position of the entire angular frame on the center leg 3 can be fixed in the desired position. The free ends of the frame legs 9, 10 of the angular frame 8 are connected to one another at the ends by an arcuate leg 14, which in the example shown is a quarter-circle arc. A degree pointer 16 is displaceably arranged on the arcuate leg 14 by means of a guide part 17. With a locking screw 18, the degree pointer can be fixed in any position on the arcuate leg 14. For easier handling of the guide part 17 there is a handle 19 on the outside thereof, preferably made of plastic. A stop body 21 is slidably arranged on the frame leg 9 of the angle frame 8 parallel to the center leg 3. This stop body 21 consists of a guide part 22 and a stop section 23 perpendicular to the guide part, which is displaced such that the body 38 to be torn is enclosed between this stop and the two contact legs 1 and 2. The stop section 23 is advantageously detachably attached to the guide part 22. The guide part 22 is guided on the frame leg 9 in the same longitudinal guide grooves. By means of a locking screw 24, the stop body 21 can be fixed in any position on the frame leg 9 of the angular frame. By means of this fixing option by means of the ' fixing screw 24, the entire angular frame together with the stop body on the middle leg 3 can then be displaced in the longitudinal direction.

Wie sich weiterhin aus Fig. 1 ergibt, weist der erfindungsgemässe Zentrier- und Teilungswinkel ebenfalls eine Parallelleiste 26 auf. Diese Parallelleiste ist einendig mittels eines Führungsteils 27 auf dem Anlageschenkel 2 verschiebbar angeordnet. Die Führung des Führungsteils 27 auf dem Anlageschenkel 2 erfolgt in an sich bekannter Weise mittels T-förmig ausgebildeter Führungsnuten, in die am Führungsteil 27 ausgebildete Ansätze eingreifen. Mittels einer Feststellschraube 28 kann das Führungsteil 27 auf dem Anlageschenkel 2 fixiert werden. Durch Verschiebung des Führungsteils erfolgt eine Parallelverschiebung der Parallelleiste 26 zum Mittelschenkel 3. Wie sich aus dem dargestellten Beispiel ergibt, ist der Anlageschenkel 2, der zur Führung der Parallelleiste 26 dient, zweckmässigerweise länger ausgebildet als der Anlageschenkel 1. Am Führungsteil ist ein Griff 29 angeformt, vorteilhafterweise aus Kunststoff, mit dem eine leichtere Handhabung des Führungsteils erreicht wird. Wie sich weiterhin aus Fig. 1 ergibt, weisen die einzelnen Teile des erfindungsgemässen Zentrier- und Teilungswinkels unterschiedliche Skalen auf. Auf dem Mittelschenkel ist eine durchgehende Skala 31 vorgesehen, diese Skala 31 weist eine Millimetereinteilung auf. Die beiden Rahmenschenkel 9, 10 besitzen ebenfalls Skalen 32, 33, die zweckmässigerweise eine Millimetereinteilung besitzen. Dabei sind die Skalen 32, 33 derart auf den Rahmenschenkein angeordnet, dass die Längskante 4 des Mittelschenkels mit dem Skalenanfang der Skala 32 zusammenfällt und die Innenkante 34 des Rahmenschenkels 10 mitdem Skalenanfang der Skala 33. Auf der Parallelleiste 26 ist vorzugsweise ebenfalls eine Skala 35 vorgesehen, die eine Millimeteraufteilung besitzt. Damit die Parallelverschiebung der Parallelleiste 26 zum Mittelschenkel 3 exakt auf dem Anlageschenkel 2 abgelesen bzw. eingestellt werden kann, weist auch der Anlageschenkel 2 eine Skala auf. Wenn das Führungsteil 27 auf der Skala um 10 mm verschoben wird, legt das Führungsteil 27 auf dem Anlageschenkel 2 tatsächlich eine Strecke von 14,14 mm zurück, wobei sich aber der Abstand zwischen dem Mittelschenkel 3 und der Parallelleiste 26 nur um 10 mm ändert.As can further be seen from FIG. 1, the centering and dividing angle according to the invention also has a parallel bar 26. This parallel bar is displaceably arranged at one end by means of a guide part 27 on the contact leg 2. The guide part 27 is guided on the contact leg 2 in a manner known per se by means of T-shaped guide grooves which engage in the projections formed on the guide part 27. The guide part 27 can be fixed on the contact leg 2 by means of a locking screw 28. By moving the guide part there is a parallel displacement of the parallel bar 26 to the middle leg 3. As can be seen from the example shown, the contact leg 2, which serves to guide the parallel bar 26, is expediently longer than the contact leg 1. A handle 29 is formed on the guide part , advantageously made of plastic, with which an easier handling of the guide part is achieved. As can further be seen from FIG. 1, the individual parts of the centering and dividing angle according to the invention have different scales. A continuous scale 31 is provided on the middle leg, this scale 31 has a millimeter graduation. The two frame legs 9, 10 also have scales 32, 33, which expediently have a millimeter graduation. The scales 32, 33 are not arranged on the frame legs in such a way that the longitudinal edge 4 of the middle leg coincides with the start of the scale 32 and the inner edge 34 of the frame leg 10 coincides with the start of the scale 33. A scale 35 is preferably also provided on the parallel bar 26 , which has a millimeter division. So that the parallel displacement of the parallel bar 26 to the middle leg 3 can be read or set exactly on the contact leg 2, the contact leg 2 also has a scale. If the guide part 27 is shifted on the scale by 10 mm, the guide part 27 actually travels a distance of 14.14 mm on the contact leg 2, but the distance between the middle leg 3 and the parallel bar 26 changes only by 10 mm.

Die Funktionsweise des in Fig. 1 dargestellten erfindungsgemässen Zentrier- und Teilungswinkels ist nun wie folgt: Zuerst wird der Radius eines zu bearbeitenden Werkstückes 38, das gestrichelt eingezeichnet ist, mit dem Anschlagkörper 21 auf der Skala 33 des Rahmenschenkels 9 eingestellt, und mittels der Feststellschraube 24 wird der Anschlagkörper 21 rüttelfest geklemmt. Danach wird der gesamte Winkelrahmen 8 mit dem Anschlagkörper 21 bis zum Anschlag seines Anschlagabschnittes 23 an das Werkstück verschoben und mit der Feststellschraube 12 ebenfalls rüttelfest fixiert. Damit ist der erfindungsgemässe Zentrier-und Teilungswinkel ebenfalls an dem anzureissenden Werkstück 38 festgelegt und schliesst dieses ein, er kann jedoch leicht um 360° und mehr um das Werkstück gedreht werden. Durch die vorgenommene Justierung ist der Gradzeiger 16 nun ausgerichtet und zeigt genau auf den Mittelpunkt des Werkstückes 38, der damit leicht angerissen werden kann. Mit Hilfe der Gradeinteilung der Skala auf dem bogenförmigen Schenkel 14 kann jeder beliebige Winkel eingestellt und mit einer Reissnadel auf dem Werkstück angerissen werden. Da die Kante 34 des Rahmenschenkels 10 die zweite Mittellinie zum Werkstück im Winkel von 90° zur Längskante 4 bildet, kann durch Drehen des gesamten Winkels der jeweils mit dem Gradzeiger eingestellte Winkel beliebig oft addiert werden und somit jede beliebige Teilung und jedes beliebige Vieleck auf dem Werkstück angerissen werden. Die Parallelleiste 26 dient zum Anreissen von Quadraten oder Rechtecken oder zum Verbinden der Schnittpunkte von Vielecken, seien sie regelmässig oder unregelmässig oder aber zum Anreissen von Sehnen, Sekanten und Tangenten od.dgl. Dabei wird das gebrauchte Abstandsmass zwischen Parallelleiste und Mittelschenkel auf der Skala des Anlageschenkels 2 mit dem Führungsteil 27 eingestellt. Danach wird die Parallelleiste mit der Feststellschraube rüttelfestfixiert, und nun kann die jeweils gewünschte Linie auf dem Werkstück beispielsweise mit Hilfe einer Reissnadel angerissen werden.The operation of the centering and dividing angle according to the invention shown in FIG. 1 is now as follows: First, the radius of a workpiece 38 to be machined, which is shown in broken lines, is set with the stop body 21 on the scale 33 of the frame leg 9, and by means of the locking screw 24, the stop body 21 is clamped against vibration. Then the entire angular frame 8 with the stop body 21 is moved to the stop of its stop section 23 on the workpiece and fixed with the locking screw 12 also vibration-proof. The centering and dividing angle according to the invention is thus also fixed on the workpiece 38 to be marked and includes this, but it can easily be rotated 360 ° and more around the workpiece. Due to the adjustment made, the degree pointer 16 is now aligned and points precisely to the center of the workpiece 38, which can thus be easily torn. With the help of the graduation of the scale on the arcuate leg 14, any angle can be set and marked with a scriber on the workpiece. Since the edge 34 of the frame leg 10 forms the second center line to the workpiece at an angle of 90 ° to the longitudinal edge 4, the angle set with the degree pointer can be added as often as desired by rotating the entire angle and thus any division and any polygon on the Workpiece to be scribed. The parallel bar 26 serves to mark out squares or rectangles or to connect the intersections of polygons, be they regular or irregular or else for Marking of tendons, secants and tangents or the like. The used distance between the parallel bar and the middle leg is set on the scale of the contact leg 2 with the guide part 27. Then the parallel bar is fixed with a vibration-proof screw, and now the desired line on the workpiece can be marked, for example with the help of a scriber.

Was die In den Fig. 2 und 3 dargestellten Ausführungsbeispiele des erfindungsgemässen Zentrier- und Tellungswinkeis betrifft, so sei zunächst bemerkt, dass darin die mit dem Ausführungsbeispiel gemäss Fig. 1 gemeinsamen Teile mit denselben Bezugsziffern versehen sind.As regards the exemplary embodiments of the centering and pitching angle according to the invention shown in FIGS. 2 and 3, it should first be noted that the parts common to the exemplary embodiment according to FIG. 1 are provided with the same reference numbers.

Was nun Flg. 2 betrifft, so unterscheidet sich das darin gezeigte Ausführungsbeispiel von dem gemäss Fig. dadurch, dass einerseits die Justierung des Winkelrahmens über das Griffteil 11a und anderseits die Paralleileiste verschieden ausgeführt sind. Zur Feineinstellung der Lage des Winkelrahmens 8 dient ein Justierkörper 42, der mittels eines Justierstiftes 43 auf den Griffteil 41 des Winkelrahmens 8 einwirkt. Dabei kann mittels eines Verstellrädchens 44 der Abstand über den Stift 43 zwischen den beiden Teilen 41, 42 eingestellt werden. Mittels Feststellschrauben 45, 46 können beide Teile fixiert werden. Ein weiterer Unterschied besteht in der Ausgestaltung der Parallelleiste 50. Diese besteht im dargestellten Beispiel aus zwei an einem Führungsteil 51 parallel zueinander ausgebildeten Skalenträgern 52. Die Skalenträger 52 sind an ihren freien Enden über einen Steg 54 aus Stabilitätsgründen verbunden. Diese Ausführungsform hat den Vorteil, dass durch den festen Abstand der beiden Skalenträger 52 gleichzeitig mehrere parallele Linien angerissen werden können. Die auf den Skalenträgern 52 vorhandene Skala ist zweckmässigerweise wiederum eine Millimeterskala 55.What now Flg. 2 relates, the exemplary embodiment shown therein differs from that according to FIG. 1 in that, on the one hand, the adjustment of the angular frame via the handle part 11a and, on the other hand, the parallel cable strip are designed differently. An adjustment body 42, which acts on the handle part 41 of the angle frame 8 by means of an adjustment pin 43, is used for fine adjustment of the position of the angle frame 8. The distance between the two parts 41, 42 can be adjusted via the pin 43 by means of an adjusting wheel 44. Both parts can be fixed by means of locking screws 45, 46. Another difference is in the design of the parallel bar 50. In the example shown, this consists of two scale carriers 52 formed parallel to one another on a guide part 51. The scale carriers 52 are connected at their free ends via a web 54 for reasons of stability. This embodiment has the advantage that, due to the fixed distance between the two scale carriers 52, several parallel lines can be drawn simultaneously. The scale present on the scale carriers 52 is expediently again a millimeter scale 55.

Flg. 3 zeigt eine weitere Ausführungsform eines erfindungsgemässen Zentrier- und Teilungswinkels. Hierbei sind wiederum gleiche Teile wie in den Fig. 1 und 2 mit denselben Bezugsziffern versehen. Der wesentliche Unterschied zu der Ausführungsform gemäss Fig. 1 besteht in der unterschiedlichen Führung der Parallelleiste 60. Diese Parallelleiste 60 Ist an einer zu ihr senkrecht verlaufenden Leiste 61 verschiebbar befestigt, die auf dem zum Mittelschenkel 3 senkrechten Rahmenschenkel 10 des Winkel rahmens 8 verschiebbar geführt ist. Hierzu weist der Rahmenschenkel 10 ein an ihm befestigtes Führungsteil 62 auf, in dem die senkrechte Leiste 61 in Nuten schwalbenschwanzförmig geführt ist. Zweckmässigerweise weist die senkrechte Leiste 61 eine Skala auf, so dass eine leichte Einstellung des Abstandes zum Mittelschenkel 3 möglich ist. Was die Ausgestaltung des Griffteils 63 betrifft, so entspricht diese in der dargestellten Form dem Griffteil 11 a gemäss Fig. 1.Flg. 3 shows a further embodiment of a centering and pitch angle according to the invention. Here again the same parts as in FIGS. 1 and 2 are provided with the same reference numerals. The main difference to the embodiment according to FIG. 1 consists in the different guidance of the parallel bar 60. This parallel bar 60 is slidably attached to a bar 61 running perpendicular to it, which is guided on the frame leg 10 perpendicular to the central leg 3 of the angle frame 8 . For this purpose, the frame leg 10 has a guide part 62 fastened to it, in which the vertical bar 61 is dovetailed in grooves. The vertical bar 61 expediently has a scale so that the distance to the middle leg 3 can be easily adjusted. As far as the design of the handle part 63 is concerned, this corresponds in the form shown to the handle part 11 a according to FIG. 1.

In den Fig. 2 und 3 ist kein Anschlagteil 21, wie In Fig. 1 gezeigt, dargestellt, jedoch ist ein solches Anschlagteil ebenfalls bei den Ausführungen der Fig. 2 und 3 vorhanden.2 and 3, there is no stop part 21, as shown in FIG. 1, but such a stop part is also present in the embodiments of FIGS. 2 and 3.

Claims (10)

1. Graduating and parallel guide set square consisting of two lay limbs, connected each with the other at one end and including a right angle, as well as a middle limb, which is fastened between these in their region of intersection and the one longitudinal edge of which is the bisector of the angle, characterised thereby, that a protractor frame (8) forming a right angle is arranged to be longitudinally displaceable by its one frame limb (9) on the middle limb (3) and that displaceably fastened to this frame limb (9) is a stop (21), the lay surface of which is layable at the oppositely disposed side of the lay limbs (1, 2) against the workpiece (38) to be marked out and stands perpendicularly on the longitudinal edge (4), forming the bisector of the angle, of the middle limb as well as that both the frame limbs (9, 10) are connected each with the other by a limb (14) forming at least a quarter of circular arc and setting scales are preferably present on the middle limb (3), the frame limbs (9, 10) and the limb (14) in the shape of the circular arc.
2. Set square according to claim 1, characterised thereby, that a degree indicator (16) is displaceably arranged on the limb (14) in the shape of the circular arc and perpendicularly thereto.
3. Set square according to claim 1 or 2, characterised thereby, that at least one parallel bar (26, 50, 60) is arranged parallelly to the middle limb (3) opposite the protractor frame (8) to be displaceable prallelly in their spacing from the middle limb (3).
4. Set square according to claim 3, characterised thereby, that the parallel bar (26, 50) is displaceably fastened at one end to a lay limb (2).
5. Set square according to claim 3, characterised thereby, that. the parallel bar (60) is displaceably fastened to a bar (61), which is perpendicular to it and displaceably guided on the frame limb (10), perpendicular to the middle limb (3), of the protractor frame (8).
6. Set square according to one or more of the claims 1 to 5, characterised thereby, that the stop of the stop member (21) is detachably fastened.
7. Set square according to one or more of the claims 3 to 6, characterised thereby, that setting scales are arranged on the parallel bars (26, 52, 60) as well as on their guide parts (17, 22, 27, 51, 62).
8. Set square according to one or more of the claims 1 to 7, characterised thereby, that the stop member (21), the degree indicator (16) and the parallel bars (26, 52, 60) are locatable in their respective position by means of locking screws (12, 18, 24, 28, 45).
9. Set square according to one or more of the claims 1 to 8, characterised thereby, that a handle part (11a, 41, 63), which is locatable by means of locking screws (12, 45), is arranged on the protractor frame (8).
10. Set square according to claim 9, characterised thereby, that an adjusting member (42) engages at the handle part (11 a, 41, 63) through an adjusting pin (43) displaceable in position.
EP80102407A 1979-05-07 1980-05-03 Set-square for dividing angles and tracing parallels Expired EP0018657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80102407T ATE2607T1 (en) 1979-05-07 1980-05-03 PITCH AND PARALLEL DRAWING ANGLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2918321 1979-05-07
DE2918321A DE2918321C2 (en) 1979-05-07 1979-05-07 Pitch and parallel drawing angles

Publications (2)

Publication Number Publication Date
EP0018657A1 EP0018657A1 (en) 1980-11-12
EP0018657B1 true EP0018657B1 (en) 1983-02-23

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EP80102407A Expired EP0018657B1 (en) 1979-05-07 1980-05-03 Set-square for dividing angles and tracing parallels

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US (1) US4352247A (en)
EP (1) EP0018657B1 (en)
JP (1) JPS5819480B2 (en)
AT (1) ATE2607T1 (en)
DE (1) DE2918321C2 (en)
DK (1) DK149361C (en)
ES (1) ES8100780A1 (en)

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JPS61206280U (en) * 1985-06-14 1986-12-26
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JPH086564Y2 (en) * 1991-05-24 1996-02-28 清三 伊藤 Caster for carrying heavy objects
US6272758B1 (en) * 1999-07-26 2001-08-14 Gene R. Wheeler Steel worker's layout tool
US6581294B2 (en) 2001-11-03 2003-06-24 Livio Svaldi Angle finder for large ducts
US6694633B1 (en) * 2002-08-16 2004-02-24 Shelby M. Nyquist Common rafter and hip layout tool
WO2006031682A2 (en) * 2004-09-14 2006-03-23 Hembree Wayne A Gps coordinate transformer
US20090025238A1 (en) * 2007-07-26 2009-01-29 Bowman James L Construction tool for installing stairway components
US8881416B2 (en) * 2008-05-02 2014-11-11 John Menendez Assembly and method for taping walls for painting stripes and patterns
CN102514423B (en) * 2012-01-04 2014-07-09 贵州开磷（集团）有限责任公司 Three-centered arch painting device
DE102013201875B4 (en) 2013-02-05 2015-08-06 Mario Neugärtner Method for determining the center point and folding rule for carrying out the method
CN103895327B (en) * 2014-03-31 2017-03-29 珠海康德莱医疗器械有限公司 A kind of positioning producing device and method of silk-screen half tone
CN104494341B (en) * 2014-12-11 2016-04-13 浙江工业大学 Light sensation intelligence angle equal divider
CN107856448A (en) * 2017-10-31 2018-03-30 昆明理工大学 A kind of integrated planar design drawing instrument chi
CN111845163A (en) * 2019-04-28 2020-10-30 上海鹰毅建筑规划有限公司 Drawing device for extensible architectural design
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US2348878A (en) * 1943-04-23 1944-05-16 Ralph Ashton Center locating device
JPS5360800A (en) * 1976-11-11 1978-05-31 Toshiya Suzuki Markinggoff instrument for centering of ctrcle

Also Published As

Publication number Publication date
DK199480A (en) 1980-11-08
ES491258A0 (en) 1980-12-01
DE2918321A1 (en) 1980-11-13
DK149361C (en) 1986-11-03
DE2918321C2 (en) 1982-03-11
DK149361B (en) 1986-05-20
US4352247A (en) 1982-10-05
EP0018657A1 (en) 1980-11-12
ATE2607T1 (en) 1983-03-15
JPS5819480B2 (en) 1983-04-18
JPS5624199A (en) 1981-03-07
ES8100780A1 (en) 1980-12-01

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