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DE875869C - Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius - Google Patents

Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius

Info

Publication number
DE875869C
DE875869C DEW5864A DEW0005864A DE875869C DE 875869 C DE875869 C DE 875869C DE W5864 A DEW5864 A DE W5864A DE W0005864 A DEW0005864 A DE W0005864A DE 875869 C DE875869 C DE 875869C
Authority
DE
Germany
Prior art keywords
circle
point
points
intersection
circumference
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
DEW5864A
Other languages
German (de)
Inventor
Klemens Westerbarkey
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
Priority to DEW5864A priority Critical patent/DE875869C/en
Application granted granted Critical
Publication of DE875869C publication Critical patent/DE875869C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00Non-circular-curve-drawing instruments

Landscapes

  • Details Of Garments (AREA)

Description

Der geometrische Ort ist eine Kurve. Mit Hilfe dieser Kurve und. eines Lineals ist es möglich, einen Winkel in drei gleiche Teile zu teilen.The geometric location is a curve. With the help of this curve and. one Rulers make it possible to divide an angle into three equal parts.

In Fig. i ist diese Kurve bei k dargestellt. Sie enitsteht dadurch, daß auf einem sich um den An, fangspunkt O drehenden Strahl s, der den um M mit dem Radius tu geschlagenen, durch 0 gehenden Kreis im Punkt Q schneidet, die Strecke a von Q aus nach außerhalb ,des Kreises abgetragen wird. Wie aus der Zeichnung ersichtlich, folgt aus der Gleichschenkligkeit der beiden: Dreiecke 0 M Q und M Q P, daß der Winkel ß = s/2 9p ist. Dass heißt der Winkel. O P M ist gerade der dritte Teil des Winkels O 111 N. Mit Hilfe der Kurve k ist es also möglich, jeden beliebigen Winkel in drei gleiche Teile zu teilen.This curve is shown at k in FIG. It arises from the fact that on a ray s rotating around the starting point O, which intersects the circle drawn around M with the radius tu and passing through 0 at point Q, the distance a from Q to the outside of the circle is plotted . As can be seen from the drawing, it follows from the equilateralism of the two: triangles 0 MQ and MQP that the angle β = s / 2 9p. That is called the angle. OPM is just the third part of the angle O 111 N. With the help of the curve k it is possible to divide any angle into three equal parts.

Das erfindungsgemäße Gerät gestattet @es, die erwähnte Kurve in einem Zuge zu zeichnen. Wie aus Fig. 2 hervorgeht, besteht es aus einem gleichschankligen Zweischlag mit den beiden Schenkeln i und 2, deren Länge die beliebige Größe a haben. Das dem Gelenkpunkt 8 abgewandte Ende des Schenkels i ist im Punkte 4 an einem stabförmigen Bauteil 3 angelenkt, dessen eines Ende die Schreibspitze 5 trägt. Das dem Gelenkpunkt 8 abgewandte Ende des Schenkels 2 des gleichschenkligen Zweischlages ist in oinem Schlitz 6 des stabförmigent Bauteiles verschiebbar geführt. Der Schlitz 6. liegt in: der Verlängerung der Verbindungslinie der Punkte 4 und; 5.The device according to the invention allows @es, the curve mentioned in one Draw train. As can be seen from Fig. 2, it consists of an isosceles Double punch with the two legs i and 2, the length of which is any size a. The end of the leg i facing away from the hinge point 8 is at point 4 on a rod-shaped one Articulated component 3, one end of which carries the writing tip 5. That the hinge point 8 facing away from the end of the leg 2 of the isosceles two stroke is in oinem Slot 6 of the rod-shaped component guided displaceably. The slot is 6th in: the extension of the line connecting points 4 and; 5.

Das erfindungsgemäße Gerät wird folgendermaßen verwendet: Hält man den Schenkel2 fest und bewegt man den: stabförmigen Bauteil- 3, so beschreibt die Zeidhenspitze 5 automatisch die genannte Kurve. Die Punkte 7 und 8 entsprechen dabei den; Punkten O bzw. M der in Fig. I dargestellten F.rinzipskizze.The device according to the invention is used as follows: One holds the leg 2 fixed and if you move the rod-shaped component 3, then describes the Zeidhenspitze 5 automatically the named curve. Points 7 and 8 correspond to this the; Points O and M of the sketch shown in Fig.

Claims (1)

PATENTANSPRUCH: Gerät zum Zeichnen des geometrischen Ortes aller Punkte, die auf einem sich um einen festen Umfangspunkt eines Kreises drehenden Strahl gelegen, sind und- deren. Abstand von dem zweiten Schnittpunkt des Strahles mit dem Kreis gleich dem Kreisradius ist, gekennzeichnet durch einten .gleichschenkligen Zweischlag, .dessen einer Schenkel an einem an seinem Ende eine Zeichenspitze tragenden stabförmigen Bauteil angelenkt ist, und zwar in der Entfernung von der Zeichenspitze, die gleich der Länge der Schenkel. des Zweischlages ist, und dessen anderer Schenkel in einem in der Verb-indungslinie der Zeichenspitze und des Anlenkpunktes gelegenen Schlitz des stabförmigen Bauteiles verschiebbar geführt ist.PATENT CLAIM: Device for drawing the geometric location of all points, which are located on a ray rotating around a fixed point on the circumference of a circle, are and- their. Distance from the second intersection of the ray with the circle is equal to the radius of the circle, characterized by an isosceles two-stroke, One leg of which is attached to a rod-shaped rod that carries a drawing tip at its end Component is hinged, at a distance from the tip of the drawing, which is the same the length of the thighs. of the double punch, and its other leg in one The slot located in the line connecting the tip of the drawing and the point of articulation of the rod-shaped component is guided displaceably.
DEW5864A 1951-05-24 1951-05-24 Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius Expired DE875869C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW5864A DE875869C (en) 1951-05-24 1951-05-24 Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW5864A DE875869C (en) 1951-05-24 1951-05-24 Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius

Publications (1)

Publication Number Publication Date
DE875869C true DE875869C (en) 1953-07-23

Family

ID=7592899

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW5864A Expired DE875869C (en) 1951-05-24 1951-05-24 Device for drawing the geometric location of all points which are located on a beam rotating around a fixed point on the circumference of a circle and whose distance from the second point of intersection of the beam with the circle is equal to the circle radius

Country Status (1)

Country Link
DE (1) DE875869C (en)

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