US3085657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable frequency vibration absorber
Assignee: Hazeltine Research Inc
•
Filing: 1960-09-29
•
Granted: 1963-04-16
•
Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Carl O Preis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:21
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/10; F16F7/104; F16F7/116
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A VARIABLE FREQUENCY VIBRATION ABSORBER COMPRISING: A SPRING; MEANS FOR COUPLING SAID SPRING TO A UTILIZATION DEVICE SUBJECT TO UNDESIRABLE MECHANICAL OSCILLATIONS; A MASS COUPLED TO SAID SPRING; MEANS FOR VARYING THE POSITION OF THE MASS WITH RELATION TO SAID SPRING SO AS TO ADJUST THE NATURAL FREQUENCY OF THE ABSORBER; AND MEANS FOR DAMPING MOTION OF THE MASS SO AS TO ATTENUATE SAID OSCILLATIONS.
Claim 2
Dependent Claim
65 words
A VARIABLE FREQUENCY VIBRATION ABSORBER COMPRISING: A SPRING; MEANS FOR COUPLING SAID SPRING TO A UTILIZATION DEVICE SUBJECT TO UNDESIRABLE MECHANICAL OSCILLATIONS; A MASS COUPLED TO SAID SPRING; MEANS FOR VARYING THE POSITION OF THE MASS WITH RELATION TO SAID SPRING SO AS TO ADJUST THE NATURAL FREQUENCY OF THE ABSORBER; AND MEANS FOR DAMPING MOTION OF THE MASS SO AS TO ATTENUATE SAID OSCILLATIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |