GB899285A - Improvements in or relating to apparatus for measuring or indicating the roughnesses or undulations of a surface - Google Patents
Improvements in or relating to apparatus for measuring or indicating the roughnesses or undulations of a surfaceInfo
- Publication number
- GB899285A GB899285A GB3416457A GB3416457A GB899285A GB 899285 A GB899285 A GB 899285A GB 3416457 A GB3416457 A GB 3416457A GB 3416457 A GB3416457 A GB 3416457A GB 899285 A GB899285 A GB 899285A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stylus
- taylor
- cams
- skid
- retracted
- 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
- 235000019592 roughness Nutrition 0.000 title 1
- 241001422033 Thestylus Species 0.000 abstract 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
899,285. Electrical measuring systems. TAYLOR, TAYLOR & HOBSON Ltd. Oct. 28, 1958 [Nov. 1, 1957], No.34164/57. Class 40 (1). [Also in Group XIX] Surface testing apparatus -has means for retracting the stylus through a slot in a workengaging member. Fig. 1 shows a surface testing apparatus of the type described in Specification 892,972 but in which the stylus B and the skid J are retractable beneath the surface of the slotted worksupport A<SP>2</SP> by means of a cam K<SP>6</SP> driven by the electric motor K. Alternatively the stylus B may be retracted electromagnetically with the aid of a cam-operated switch. In another arrangement, two cams are geared to the main driving-shaft so that the skid J and the stylus B make a number of traverses across the surface of the workpiece before they are retracted by one of the cams. In this arrangement the piezoelectric crystal or other generating transducer coupled to the stylus B is connected to a heavily damped indicating instrument to indicate average roughness. The Specification also describes detector mounting arrangements, releasable detector couplings and traverse control arrangements substantially the same as those described in Specification 892,529.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3416457A GB899285A (en) | 1957-11-01 | 1957-11-01 | Improvements in or relating to apparatus for measuring or indicating the roughnesses or undulations of a surface |
| DET15821A DE1092670B (en) | 1957-11-01 | 1958-10-31 | Device for measuring or displaying the roughness or corrugation of the surface of a workpiece |
| CH354262D CH354262A (en) | 1957-11-01 | 1958-10-31 | Apparatus for indicating irregularities in the surface of a part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3416457A GB899285A (en) | 1957-11-01 | 1957-11-01 | Improvements in or relating to apparatus for measuring or indicating the roughnesses or undulations of a surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB899285A true GB899285A (en) | 1962-06-20 |
Family
ID=10362193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3416457A Expired GB899285A (en) | 1957-11-01 | 1957-11-01 | Improvements in or relating to apparatus for measuring or indicating the roughnesses or undulations of a surface |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH354262A (en) |
| DE (1) | DE1092670B (en) |
| GB (1) | GB899285A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192062A (en) * | 1986-06-27 | 1987-12-31 | Rank Taylor Hobson Ltd | Metrological apparatus |
| GB2281779A (en) * | 1993-09-14 | 1995-03-15 | Rank Taylor Hobson Ltd | Metrological instrument |
| US6505141B2 (en) | 1998-07-09 | 2003-01-07 | Taylor Hobson Limited | Transducer circuit |
-
1957
- 1957-11-01 GB GB3416457A patent/GB899285A/en not_active Expired
-
1958
- 1958-10-31 DE DET15821A patent/DE1092670B/en active Pending
- 1958-10-31 CH CH354262D patent/CH354262A/en unknown
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192062A (en) * | 1986-06-27 | 1987-12-31 | Rank Taylor Hobson Ltd | Metrological apparatus |
| US4825557A (en) * | 1986-06-27 | 1989-05-02 | Rank Taylor Hobson Limited | Metrological apparatus with protective housing and automatic actuation |
| GB2192062B (en) * | 1986-06-27 | 1990-02-28 | Rank Taylor Hobson Ltd | Metrological apparatus |
| EP0254429B1 (en) * | 1986-06-27 | 1992-08-26 | Rank Taylor Hobson Limited | Metrological apparatus and process |
| GB2281779A (en) * | 1993-09-14 | 1995-03-15 | Rank Taylor Hobson Ltd | Metrological instrument |
| GB2281779B (en) * | 1993-09-14 | 1997-04-23 | Rank Taylor Hobson Ltd | Metrological instrument |
| US5740616A (en) * | 1993-09-14 | 1998-04-21 | Taylor Hobson Limited | Metrological instrument with stylus for traversing workpiece |
| US6505141B2 (en) | 1998-07-09 | 2003-01-07 | Taylor Hobson Limited | Transducer circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CH354262A (en) | 1961-05-15 |
| DE1092670B (en) | 1960-11-10 |
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