DE302299C - - Google Patents

Info

Publication number
DE302299C
DE302299C DENDAT302299D DE302299DA DE302299C DE 302299 C DE302299 C DE 302299C DE NDAT302299 D DENDAT302299 D DE NDAT302299D DE 302299D A DE302299D A DE 302299DA DE 302299 C DE302299 C DE 302299C
Authority
DE
Germany
Prior art keywords
button
legs
ruler
vanishing points
thighs
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.)
Active
Application number
DENDAT302299D
Other languages
German (de)
Publication of DE302299C publication Critical patent/DE302299C/de
Active 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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/14—Devices for drawing in perspective

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (2)

Patent-Ansprüche:Patent Claims: ι. Vorrichtung zur Ausführung perspektivischer Zeichnungen, dadurch gekennzeichnet, daß zwei miteinander drehbar verbundene Schenkel auf den beiden Fluchtpunkten der Zeichnung befestigt werden können, so daß die zum Zeichnen benutzte Linealkante zwar um die Fluchtpunkte drehbar und auch in der Längsrichtung an ihnen frei verschiebbar bleibt, aber doch nicht von ihnen abrückbar ist.ι. Device for executing perspective drawings, characterized in that that two mutually rotatably connected legs are attached to the two vanishing points of the drawing can, so that the ruler edge used for drawing can be rotated around the vanishing points and also in the longitudinal direction remains freely movable on them, but cannot be moved away from them. 2. Vorrichtung nach Anspruch i, dadurch gekennzeichnet, daß die Drehachse der Linealschenkel knopfartig ausgebildet ist und über diesen Knopf vermittels einer Längsführung eine Reißschiene der gebräuchlichen Art mit den Schenkeln verbunden ist. '2. Apparatus according to claim i, characterized characterized in that the axis of rotation of the ruler legs is button-like is and over this button by means of a longitudinal guide a tear bar of the usual Kind of connected to the thighs. '
DENDAT302299D Active DE302299C (en)

Publications (1)

Publication Number Publication Date
DE302299C true DE302299C (en)

Family

ID=556114

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT302299D Active DE302299C (en)

Country Status (1)

Country Link
DE (1) DE302299C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556620A (en) * 1948-12-08 1951-06-12 Richard J Hegner Machine for teaching perspective drawing
US3978587A (en) * 1974-10-29 1976-09-07 Hilton Baugh Drafting system and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556620A (en) * 1948-12-08 1951-06-12 Richard J Hegner Machine for teaching perspective drawing
US3978587A (en) * 1974-10-29 1976-09-07 Hilton Baugh Drafting system and apparatus

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