DE321004C - Elliptical compass in which the pen is attached to a self-contained cord that is placed around two stands at the distance between the focal points - Google Patents

Elliptical compass in which the pen is attached to a self-contained cord that is placed around two stands at the distance between the focal points

Info

Publication number
DE321004C
DE321004C DENDAT321004D DE321004DD DE321004C DE 321004 C DE321004 C DE 321004C DE NDAT321004 D DENDAT321004 D DE NDAT321004D DE 321004D D DE321004D D DE 321004DD DE 321004 C DE321004 C DE 321004C
Authority
DE
Germany
Prior art keywords
pen
stands
self
distance
attached
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
DENDAT321004D
Other languages
German (de)
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.)
HANS BORSZCZ
Original Assignee
HANS BORSZCZ
Publication date
Application granted granted Critical
Publication of DE321004C publication Critical patent/DE321004C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements

Description

Ellipsenzirkel, bei welchem der Schreibstift an einer in sich geschlossenen Schnur befestigt ist, die um zwei den Abstand der Brennpunkte aufweisende Ständer gelegt ist. Die Erfindung bezieht sich auf einen Ellipsenzirkel, bei welchem der Schreibstift an einer in sich geschlossenen Schnur befestigt ist, die um zwei den Abstand der Brennpunkte aufweisende Ständer gelegt ist. Die Erfindung besteht darin, daß zur Führung des Schreibstiftes in senkrechter Stellung die am Querbalken angeordneten Ständer unterhalb und oberhalb des Querbalkens j e -eine Ausdrehung zur Aufnahme zweier parallel angeordneter Schnüre besitzen.Elliptical compass, in which the pen on a self-contained Cord is attached to the two stands having the distance between the focal points is laid. The invention relates to an elliptical compass, in which the Pen is attached to a self-contained cord, which is around two the Distance of the focal points having stand is placed. The invention consists in that to guide the pen in the vertical position arranged on the crossbar Stand below and above the crossbar j e -a recess for recording have two parallel strings.

In der Zeichnung ist a ein Längsbalken, auf welchem zwei Ständer b mit den Spitzen c verschoben werden können. Diese Spitzen stellen die Brennpunkte der Ellipse dar und können in die Unterlage etwas eingedrückt werden.In the drawing, a is a longitudinal beam on which two uprights b can be moved with the tips c. These points are the focal points of the ellipse and can be slightly pressed into the base.

Der rechte Ständer ist nicht dargestellt, weil der Längsbalken abgebrochen gezeichnet ist.The right stand is not shown because the longitudinal beam has broken off is drawn.

Zwischen den beiden Ständern, auf dem Längsbalken a verschiebbar, ist eine durch eine Schraube feststellbare Handhabe f, die noch mit einer Spitze o versehen werden kann. Die Ständer b besitzen zwei Ausdrehungen »t und it. Man hat nun zwei Schnüre, von denen die eine um die Aussparungen m der beiden Ständer gelegt wird und die andere um die Aussparungen 7t. Hierdurch wird erreicht, daB der Bleistift i stets senkrecht steht.Between the two uprights, movable on the longitudinal beam a, is a handle f which can be locked by a screw and which still has a tip o can be provided. The uprights b have two recesses »t and it. Man now has two cords, one of which is around the recesses in the two stands is placed and the other around the recesses 7t. This ensures that the pencil i is always vertical.

Claims (1)

PATENT-ANspRUcH: Ellipsenzirkel, bei welchem der Schreibstift an einer in sich geschlossenen Schnur befestigt ist, die um zwei den Abstand der Brennpunkte aufweisende Ständer gelegt ist, dadurch gekennzeichnet, daß die am Querbalken (a) angeordneten Ständer (b) unterhalb und oberhalb des Querbalkens j e eine Ausdrehung (m, n) zur Aufnahme zweier parallel angeordneter Schnüre besitzen, um den Schreibstift in senkrechter Stellung zu halten.PATENT CLAIM: Elliptical compass in which the pen is attached to a self-contained cord which is placed around two stands having the distance between the focal points, characterized in that the stands (b) arranged on the crossbar (a) are below and above the Crossbar each have a recess (m, n) to accommodate two parallel strings to hold the pen in a vertical position.
DENDAT321004D Elliptical compass in which the pen is attached to a self-contained cord that is placed around two stands at the distance between the focal points Expired DE321004C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE321004T

Publications (1)

Publication Number Publication Date
DE321004C true DE321004C (en) 1920-05-15

Family

ID=6158692

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT321004D Expired DE321004C (en) Elliptical compass in which the pen is attached to a self-contained cord that is placed around two stands at the distance between the focal points

Country Status (1)

Country Link
DE (1) DE321004C (en)

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