FR2346167A1 - Appareil pour tracer des ellipses - Google Patents

Appareil pour tracer des ellipses

Info

Publication number
FR2346167A1
FR2346167A1 FR7609426A FR7609426A FR2346167A1 FR 2346167 A1 FR2346167 A1 FR 2346167A1 FR 7609426 A FR7609426 A FR 7609426A FR 7609426 A FR7609426 A FR 7609426A FR 2346167 A1 FR2346167 A1 FR 2346167A1
Authority
FR
France
Prior art keywords
cross piece
right angles
extension
groove
arm following
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.)
Granted
Application number
FR7609426A
Other languages
English (en)
French (fr)
Other versions
FR2346167B1 (enExample
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 FR7609426A priority Critical patent/FR2346167A1/fr
Publication of FR2346167A1 publication Critical patent/FR2346167A1/fr
Application granted granted Critical
Publication of FR2346167B1 publication Critical patent/FR2346167B1/fr
Granted 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
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Food-Manufacturing Devices (AREA)
FR7609426A 1976-03-29 1976-03-29 Appareil pour tracer des ellipses Granted FR2346167A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7609426A FR2346167A1 (fr) 1976-03-29 1976-03-29 Appareil pour tracer des ellipses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7609426A FR2346167A1 (fr) 1976-03-29 1976-03-29 Appareil pour tracer des ellipses

Publications (2)

Publication Number Publication Date
FR2346167A1 true FR2346167A1 (fr) 1977-10-28
FR2346167B1 FR2346167B1 (enExample) 1978-08-25

Family

ID=9171264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609426A Granted FR2346167A1 (fr) 1976-03-29 1976-03-29 Appareil pour tracer des ellipses

Country Status (1)

Country Link
FR (1) FR2346167A1 (enExample)

Also Published As

Publication number Publication date
FR2346167B1 (enExample) 1978-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse