Vibrating test screening apparatus
US4428238A · kind A · utility
22Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1981 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Oct 5, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86622
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for subjecting a test specimen to vibrational forces has a base, a first preselected massmounted for reciprocal movement relative to the base and a second preselected mass elastically coupled to the first mass to produce a resonant condition at a preselected frequency of reciprocal movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.