GB1060068A - Improvements in or relating to optical instrument for checking flatness and straightness of surfaces - Google Patents
Improvements in or relating to optical instrument for checking flatness and straightness of surfacesInfo
- Publication number
- GB1060068A GB1060068A GB3508663A GB3508663A GB1060068A GB 1060068 A GB1060068 A GB 1060068A GB 3508663 A GB3508663 A GB 3508663A GB 3508663 A GB3508663 A GB 3508663A GB 1060068 A GB1060068 A GB 1060068A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carriage
- prism
- graticule
- microscope
- grid
- 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
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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
1,060,068. Optical gauging apparatus. B. M. LEVIN. Sept. 5, 1963, No.35086/63. Heading G3J. An instrument for measuring surface smoothness comprises a microscope, a measuring carriage with a probe bearing on the surface, and an illuminating device with an optical system which comprises two identical lens-reflector combinations, the two combinations having coincident optic axes and superimposed foci. As shown, a tube 1 having a slot 10 is mounted on two blocks 8 on a surface 9. A measuring carriage 4 is movable within the slot and comprises an illuminating device 5, a microscope 6, and a probe 7 mounted on the carriage and in such a manner that the carriage is supported by the probe and one of a pair of rollers 11. The tube is provided at each end with a lens and prism system 3, 3a. Light from the device 5 passes through a prism 16 in the carriage, then by a prism 17 having a graticule 18 through the systems 3, 3a to a prism 20, and then through the microscope to a grid 23, the images of the graticule 18 and the grid 23 being projected on to a screen 25. The image of the grid 23 may be made to coincide with that of the graticule by a micrometer screw 26 and deviations from flatness of the surface may be determined. In a modification, Fig. 3 (not shown) the systems 3, 3a are placed on the surface and the carrier is guided by a band (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3508663A GB1060068A (en) | 1963-09-05 | 1963-09-05 | Improvements in or relating to optical instrument for checking flatness and straightness of surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3508663A GB1060068A (en) | 1963-09-05 | 1963-09-05 | Improvements in or relating to optical instrument for checking flatness and straightness of surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1060068A true GB1060068A (en) | 1967-02-22 |
Family
ID=10373631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3508663A Expired GB1060068A (en) | 1963-09-05 | 1963-09-05 | Improvements in or relating to optical instrument for checking flatness and straightness of surfaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1060068A (en) |
-
1963
- 1963-09-05 GB GB3508663A patent/GB1060068A/en not_active Expired
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