GB1294470A - Ellipsograph - Google Patents

Ellipsograph

Info

Publication number
GB1294470A
GB1294470A GB55270/69A GB5527069A GB1294470A GB 1294470 A GB1294470 A GB 1294470A GB 55270/69 A GB55270/69 A GB 55270/69A GB 5527069 A GB5527069 A GB 5527069A GB 1294470 A GB1294470 A GB 1294470A
Authority
GB
United Kingdom
Prior art keywords
arm
ellipsograph
nov
slides
cross
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
GB55270/69A
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.)
Claude Neon Lights S A Ltd
EDVINO IPEKA
Original Assignee
Claude Neon Lights S A Ltd
EDVINO IPEKA
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 Claude Neon Lights S A Ltd, EDVINO IPEKA filed Critical Claude Neon Lights S A Ltd
Publication of GB1294470A publication Critical patent/GB1294470A/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
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Abstract

1294470 Ellipsograph CLAUDE NEON LIGHTS (SA) Ltd and E OPEKA 12 Nov 1969 [22 Nov 1968] 56270/69 Heading B6P An ellipsograph comprises a guide in the form of a cross (Fig. 1), two slides (5 and 6) each slidable in one arm of the cross, and an arm (7) of adjustable length pivotally mounted on and between the slides. One end of the arm (7) carries an adjustable extension 11 which supports a writing instrument carrier 21. The instrument 25 is supported by a shoe 24 mounted for vertical movement on the main body of the carrier 21.
GB55270/69A 1968-11-22 1969-11-12 Ellipsograph Expired GB1294470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA687636 1968-11-22

Publications (1)

Publication Number Publication Date
GB1294470A true GB1294470A (en) 1972-10-25

Family

ID=25561263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55270/69A Expired GB1294470A (en) 1968-11-22 1969-11-12 Ellipsograph

Country Status (2)

Country Link
DE (1) DE1958209A1 (en)
GB (1) GB1294470A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217657A (en) * 1988-04-22 1989-11-01 Howard Rowe Figure generating device
GB2218051A (en) * 1988-04-08 1989-11-08 Gregory Skilbeck Ellipse drawing device
GB2226530A (en) * 1988-10-21 1990-07-04 Peter John Fitch Apparatus for describing an elliptical curve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218051A (en) * 1988-04-08 1989-11-08 Gregory Skilbeck Ellipse drawing device
GB2217657A (en) * 1988-04-22 1989-11-01 Howard Rowe Figure generating device
GB2226530A (en) * 1988-10-21 1990-07-04 Peter John Fitch Apparatus for describing an elliptical curve

Also Published As

Publication number Publication date
DE1958209A1 (en) 1970-06-04

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed