Geophone spring
US4323994A · kind A · utility
31Cited by
11References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1980 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Mar 31, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/181
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A new geophone spring is disclosed wherein the outer and inner rings of the spring are connected by leg members having a substantially straight segment which will pivot about an outer portion of the leg in a manner which will reduce the lateral bending forces acting upon the spring legs and increase the linearity of the spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.