US3279247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and apparatus for measuring and detecting mechanical stress
Assignee: Yaskawa Electric Corp
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Filing: 1964-05-28
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Granted: 1966-10-18
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Hiratsuka Michio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/12; G01L1/127; G01L1/125; Y; Y10; Y10S; Y10S73/00; Y10S73/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN APPARATUS FOR MEASURING AND DETECTING A MECHANICAL STRESS WHICH COMPRISES SATURABLE REACTORS HAVING RESPECTIVE IRON CORES; MEANS FOR APPLYING A FORCE FROM THE OUTSIDE TO SAID IRON CORES THEREBY CAUSING A VARIATION OF THE ELECTRIC OUTPUT OF SAID REACTORS; A STAINLESS STEEL BALL INTERPOSED AT THE POSITION WHERE SAID OUTSIDE FORCE IS APPLIED THEREBY MAGNETICALLY INSULATING SAID OUTSIDE FORCE FROM THE APPARATUS; AND DETECTING MEANS FOR TAKING OUT AN ELECTRIC QUANTITY IN RESPONSE TO THE VARIATION OF THE MAGNETIC FLUX PASSING THROUGH SAID IRON CORES, SAID VARIATIONS OF MAGNETIC FLUX BEING CAUSED BY THE FORCE APPLIED FROM THE OUTSIDE.
Claim 2
Independent Claim
100 words
AN APPARATUS FOR MEASURING AND DETECTING A MECHANICAL STRESS WHICH COMPRISES SATURABLE REACTORS HAVING RESPECTIVE IRON CORES; MEANS FOR APPLYING A FORCE FROM THE OUTSIDE TO SAID IRON CORES THEREBY CAUSING A VARIATION OF THE ELECTRIC OUTPUT OF SAID REACTORS; A STAINLESS STEEL BALL INTERPOSED AT THE POSITION WHERE SAID OUTSIDE FORCE IS APPLIED THEREBY MAGNETICALLY INSULATING SAID OUTSIDE FORCE FROM THE APPARATUS; AND DETECTING MEANS FOR TAKING OUT AN ELECTRIC QUANTITY IN RESPONSE TO THE VARIATION OF THE MAGNETIC FLUX PASSING THROUGH SAID IRON CORES, SAID VARIATIONS OF MAGNETIC FLUX BEING CAUSED BY THE FORCE APPLIED FROM THE OUTSIDE.
References Cited (Backward Citations)
US2548049A
Cited
US3168830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |