GB568936A - Improvements relating to apparatus for determining angles - Google Patents

Improvements relating to apparatus for determining angles

Info

Publication number
GB568936A
GB568936A GB1355043A GB1355043A GB568936A GB 568936 A GB568936 A GB 568936A GB 1355043 A GB1355043 A GB 1355043A GB 1355043 A GB1355043 A GB 1355043A GB 568936 A GB568936 A GB 568936A
Authority
GB
United Kingdom
Prior art keywords
facets
telescope
plate
division plate
angular
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
GB1355043A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority to NL123862D priority Critical patent/NL123862C/xx
Priority to BE463331D priority patent/BE463331A/xx
Application filed by Individual filed Critical Individual
Priority to GB1355043A priority patent/GB568936A/en
Publication of GB568936A publication Critical patent/GB568936A/en
Priority to FR923790D priority patent/FR923790A/fr
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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
    • B23D15/002—Shearing machines or shearing devices cutting by blades which move parallel to themselves for cutting in more than one direction, e.g. angle cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B23D31/02—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines for performing different cutting operations on travelling stock, e.g. slitting and severing simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/08—Index mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB1355043A 1943-08-19 1943-08-19 Improvements relating to apparatus for determining angles Expired GB568936A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL123862D NL123862C (xx) 1943-08-19
BE463331D BE463331A (xx) 1943-08-19
GB1355043A GB568936A (en) 1943-08-19 1943-08-19 Improvements relating to apparatus for determining angles
FR923790D FR923790A (fr) 1943-08-19 1946-03-13 Plateau diviseur optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1355043A GB568936A (en) 1943-08-19 1943-08-19 Improvements relating to apparatus for determining angles

Publications (1)

Publication Number Publication Date
GB568936A true GB568936A (en) 1945-04-26

Family

ID=10024970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1355043A Expired GB568936A (en) 1943-08-19 1943-08-19 Improvements relating to apparatus for determining angles

Country Status (4)

Country Link
BE (1) BE463331A (xx)
FR (1) FR923790A (xx)
GB (1) GB568936A (xx)
NL (1) NL123862C (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775158A (en) * 1952-05-09 1956-12-25 Reginald F Mitchell Optical angle setting and aligning device
US2850948A (en) * 1953-03-23 1958-09-09 Northrop Aircraft Inc Incremental worm sector cutter assembly
US3002279A (en) * 1957-07-02 1961-10-03 Miller Clarence Henry Calibrating mechanism
US3117178A (en) * 1959-11-03 1964-01-07 Starrett L S Co Optical polygons
DE1202993B (de) * 1961-06-20 1965-10-14 Michigan Tool Co Pruef- und Einstellvorrichtung
US3264929A (en) * 1961-06-20 1966-08-09 Michigan Tool Co Checking and locating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698810B1 (fr) * 1992-12-03 1995-03-03 Lorraine Laminage Procédé et dispositif pour contrôler dans une installation métallurgique, le parallélisme de lames de cisailles des rives d'une tôle et de rouleaux pinceurs guide-tôles par rapport à l'axe d'un train de rouleaux sur lequel défile la tôle.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775158A (en) * 1952-05-09 1956-12-25 Reginald F Mitchell Optical angle setting and aligning device
US2850948A (en) * 1953-03-23 1958-09-09 Northrop Aircraft Inc Incremental worm sector cutter assembly
US3002279A (en) * 1957-07-02 1961-10-03 Miller Clarence Henry Calibrating mechanism
US3117178A (en) * 1959-11-03 1964-01-07 Starrett L S Co Optical polygons
DE1202993B (de) * 1961-06-20 1965-10-14 Michigan Tool Co Pruef- und Einstellvorrichtung
US3264929A (en) * 1961-06-20 1966-08-09 Michigan Tool Co Checking and locating device

Also Published As

Publication number Publication date
FR923790A (fr) 1947-07-17
NL123862C (xx)
BE463331A (xx)

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