Apparatus and method of measuring surface roughness
US4050294A · kind A · utility
2Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1976 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Jul 6, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A carriage mounted to be driven with a reciprocating motion carries a probe with a stylus and also carries a yoke to move relative to a potentiometer. The unit includes a readily replaceable bushing to permit alignment of the probe in various sizes of holes. A drive unit and a logic circuit controls movement of the carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.