DE229687C - - Google Patents

Info

Publication number
DE229687C
DE229687C DENDAT229687D DE229687DA DE229687C DE 229687 C DE229687 C DE 229687C DE NDAT229687 D DENDAT229687 D DE NDAT229687D DE 229687D A DE229687D A DE 229687DA DE 229687 C DE229687 C DE 229687C
Authority
DE
Germany
Prior art keywords
gear
connecting line
rigidly
fixed
point
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
DENDAT229687D
Other languages
German (de)
English (en)
Publication of DE229687C publication Critical patent/DE229687C/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
    • 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
    • B43L11/05—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with gears

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawing Aids And Blackboards (AREA)
DENDAT229687D Active DE229687C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE229687C true DE229687C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=489969

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT229687D Active DE229687C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE229687C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504832A (en) * 1945-11-13 1950-04-18 Warren K Groome Instrument for drawing ellipses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504832A (en) * 1945-11-13 1950-04-18 Warren K Groome Instrument for drawing ellipses

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