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GB896865A - Divided circle - Google Patents

Divided circle

Info

Publication number
GB896865A
GB896865A GB16399/60A GB1639960A GB896865A GB 896865 A GB896865 A GB 896865A GB 16399/60 A GB16399/60 A GB 16399/60A GB 1639960 A GB1639960 A GB 1639960A GB 896865 A GB896865 A GB 896865A
Authority
GB
United Kingdom
Prior art keywords
marked
scale
tape
numbers
circle
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
GB16399/60A
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.)
Carl Zeiss Sports Optics GmbH
Original Assignee
M Hensoldt and Soehne Optische Werke AG
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 M Hensoldt and Soehne Optische Werke AG filed Critical M Hensoldt and Soehne Optische Werke AG
Publication of GB896865A publication Critical patent/GB896865A/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
    • G01B3/02—Rulers with scales or marks for direct reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tape Measures (AREA)

Abstract

896,865. Indicating-apparatus. HENSOLDT & SOHN OPTISCHE WERKE A.G., M. May 9, 1960 [June 18, 1959], No. 16399/60. Class 106 (4). [Also in Group XX] A divided circle is formed from one or more tapes 1 on which the scale is marked as a plane length-measuring scale which is subsequently bent to form a circle within a clamping device which presses it radially inwards. As shown, the tape 1 is pressed inwardly by sheet metal spring rolls 3 arranged within a groove 4a of the base 4. The scale strokes are marked on the inside of tape 1 and the numbers may also be similarly marked or a ring 6 which is rotatable by means of handles 9 about the axis of the divided circle may be provided with a tape 2 marked with the numbers which is cemented and screwed to the ring 6. A reading device 10 then superimposes the scale strokes upon the numbers in a window 20.
GB16399/60A 1959-06-18 1960-05-09 Divided circle Expired GB896865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE896865X 1959-06-18

Publications (1)

Publication Number Publication Date
GB896865A true GB896865A (en) 1962-05-23

Family

ID=6848404

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16399/60A Expired GB896865A (en) 1959-06-18 1960-05-09 Divided circle

Country Status (1)

Country Link
GB (1) GB896865A (en)

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