CH360507A - Compass foot, especially for blackboard compasses - Google Patents

Compass foot, especially for blackboard compasses

Info

Publication number
CH360507A
CH360507A CH360507DA CH360507A CH 360507 A CH360507 A CH 360507A CH 360507D A CH360507D A CH 360507DA CH 360507 A CH360507 A CH 360507A
Authority
CH
Switzerland
Prior art keywords
compass foot
compasses
blackboard
blackboard compasses
compass
Prior art date
Application number
Other languages
German (de)
Inventor
Zweifel Alois
Original Assignee
Zweifel Alois
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 Zweifel Alois filed Critical Zweifel Alois
Publication of CH360507A publication Critical patent/CH360507A/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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
    • B43L9/24—Means for mounting points or writing appliances on legs
    • B43L9/245—Means for mounting points or writing appliances on legs for mounting centering elements
CH360507D 1958-08-13 1958-08-13 Compass foot, especially for blackboard compasses CH360507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH360507T 1958-08-13

Publications (1)

Publication Number Publication Date
CH360507A true CH360507A (en) 1962-02-28

Family

ID=4512632

Family Applications (1)

Application Number Title Priority Date Filing Date
CH360507D CH360507A (en) 1958-08-13 1958-08-13 Compass foot, especially for blackboard compasses

Country Status (1)

Country Link
CH (1) CH360507A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543406A (en) * 1967-12-07 1970-12-01 Staedtler J S Attachment for drawing compasses
FR2695352A1 (en) * 1992-09-08 1994-03-11 Souza Etienne De Pair of compasses for drawing arcs or circles
WO1994005514A1 (en) * 1992-09-08 1994-03-17 Etienne Nicolas De Souza Compass with safety pivot
FR2699120A1 (en) * 1992-12-10 1994-06-17 Souza Etienne De Pair of compasses for drawing arcs or circles
US5542185A (en) * 1994-04-15 1996-08-06 Fiskars Inc. Device for describing arcs

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543406A (en) * 1967-12-07 1970-12-01 Staedtler J S Attachment for drawing compasses
FR2695352A1 (en) * 1992-09-08 1994-03-11 Souza Etienne De Pair of compasses for drawing arcs or circles
WO1994005514A1 (en) * 1992-09-08 1994-03-17 Etienne Nicolas De Souza Compass with safety pivot
US5555630A (en) * 1992-09-08 1996-09-17 De Souza; Etienne N. Compass with safety pivot
FR2699120A1 (en) * 1992-12-10 1994-06-17 Souza Etienne De Pair of compasses for drawing arcs or circles
US5542185A (en) * 1994-04-15 1996-08-06 Fiskars Inc. Device for describing arcs

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