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CH470274A - Adjustable curve ruler for creating circular arcs of any radii - Google Patents

Adjustable curve ruler for creating circular arcs of any radii

Info

Publication number
CH470274A
CH470274A CH1765267A CH1765267A CH470274A CH 470274 A CH470274 A CH 470274A CH 1765267 A CH1765267 A CH 1765267A CH 1765267 A CH1765267 A CH 1765267A CH 470274 A CH470274 A CH 470274A
Authority
CH
Switzerland
Prior art keywords
radii
circular arcs
curve ruler
adjustable curve
creating circular
Prior art date
Application number
CH1765267A
Other languages
German (de)
Inventor
Haefele Dieter
Original Assignee
Haefele Dieter
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 Haefele Dieter filed Critical Haefele Dieter
Publication of CH470274A publication Critical patent/CH470274A/en

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
    • B43L13/20—Curve rulers or templets
    • B43L13/22—Adjustable curve rulers
CH1765267A 1966-12-21 1967-12-15 Adjustable curve ruler for creating circular arcs of any radii CH470274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1486926A DE1486926C3 (en) 1966-12-21 1966-12-21 Adjustable curve ruler for circular arcs

Publications (1)

Publication Number Publication Date
CH470274A true CH470274A (en) 1969-03-31

Family

ID=7161375

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1765267A CH470274A (en) 1966-12-21 1967-12-15 Adjustable curve ruler for creating circular arcs of any radii

Country Status (6)

Country Link
US (1) US3526965A (en)
AT (1) AT284482B (en)
CH (1) CH470274A (en)
DE (1) DE1486926C3 (en)
FR (1) FR1548902A (en)
GB (1) GB1215706A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217854A (en) * 1978-07-31 1980-08-19 Brown Claud E Paint guard device
GB2178457A (en) * 1985-04-27 1987-02-11 Campbell Peter Leonard Constructional member of variable geometry
CN102778192A (en) * 2012-07-30 2012-11-14 天津市电力公司 Measuring tool for turning radius of high-voltage cable
CN110228313A (en) * 2019-06-14 2019-09-13 满洪流 Curve tracing tool
CN112917596B (en) * 2021-01-28 2022-12-27 常州纺织服装职业技术学院 Method for manufacturing clothing drawing tool rule

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US866152A (en) * 1907-05-15 1907-09-17 James Alfred Merritt Templet for drawing transition spirals.
US2155169A (en) * 1937-04-01 1939-04-18 Moses Wade Adjustable drawing curve
US3134176A (en) * 1961-10-05 1964-05-26 James E Hoyle Adjustable curve for drafting

Also Published As

Publication number Publication date
GB1215706A (en) 1970-12-16
US3526965A (en) 1970-09-08
AT284482B (en) 1970-09-10
FR1548902A (en) 1968-12-06
DE1486926C3 (en) 1978-05-18
DE1486926B2 (en) 1977-09-22
DE1486926A1 (en) 1969-07-17

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Legal Events

Date Code Title Description
PL Patent ceased