Extensometer for tensile tester
US3974686A · kind A · utility
2Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1975 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Oct 1, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0482
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The extensometer has first and second gripping portions on spaced members designed to be applied to a specimen by using only one hand. Changes in the length of the specimen are indicated by an electrical signal derived from a flexure strain gage arrangement in one of the members against which a probe is urged by forces on the other member. The coupling of the probe to the other member is through a spring biasing arrangement such that the biasing force can be changed so that the strain gage flexure movements can be made constant for different percentage elongations to be measured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.