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DE28774C - Hollow and thick circles - Google Patents

Hollow and thick circles

Info

Publication number
DE28774C
DE28774C DE188428774D DE28774DD DE28774C DE 28774 C DE28774 C DE 28774C DE 188428774 D DE188428774 D DE 188428774D DE 28774D D DE28774D D DE 28774DD DE 28774 C DE28774 C DE 28774C
Authority
DE
Germany
Prior art keywords
hollow
leg
thick circles
scala
index
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
DE188428774D
Other languages
German (de)
Original Assignee
C. STIEFELMAYER in Efslingen, Württemberg
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 C. STIEFELMAYER in Efslingen, Württemberg filed Critical C. STIEFELMAYER in Efslingen, Württemberg
Application granted granted Critical
Publication of DE28774C publication Critical patent/DE28774C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/16—Compasses, i.e. with a pair of pivoted arms
    • G01B3/166—Compasses, i.e. with a pair of pivoted arms provided with a measuring scale

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: An Hohl- und Dickenzirkeln, bei welchen der eine Schenkel in seiner Verlängerung die Scala, der andere den Index trägt, die Einrichtung, dafs der die Scala tragende Schenkel mittelst Zahnbogens durch ein an dem zweiten Schenkel angebrachtes Triebrad bewegt wird und der Index zu gleicher Zeit als Geradführung für die Schenkel des Zirkels bei ihrer Bewegung dient.On hollow and thick circles, in which one leg in its extension the Scala, the other bears the index, the device that the leg carrying the scala is moved by means of the dental arch through a drive wheel attached to the second leg and the index at the same time as a straight line for the legs of the compass as they move serves.
DE188428774D 1884-02-24 1884-02-24 Hollow and thick circles Expired DE28774C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE28774T 1884-02-24

Publications (1)

Publication Number Publication Date
DE28774C true DE28774C (en) 1884-09-18

Family

ID=33557781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE188428774D Expired DE28774C (en) 1884-02-24 1884-02-24 Hollow and thick circles

Country Status (1)

Country Link
DE (1) DE28774C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527758A (en) * 1946-12-10 1950-10-31 John E Oslund Die gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527758A (en) * 1946-12-10 1950-10-31 John E Oslund Die gauge

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