US3298443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration absorbing system
Assignee: Boeing Co
•
Filing: 1964-12-31
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Granted: 1967-01-17
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 John E Burkam
- 👤 Edward W Glatfelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:42
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/001; F; F16; F16F; F16F15/00; F16F15/10; F16F15/22; B64C2027/003; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN COMBINATION, A ROTATING HUB, A PLURALITY OF MEMBERS ATTACHED TO SAID HUB AND EXTENDING RADIALLY THEREFROM, AND A VIBRATION ABSORBER TO SUBSTANTIALLY BALANCE OUT VIBRATIONS CREATED AT SAID HUB IN ONE PLANE BY SAID RADIAL MEMBERS, SAID VIBRATION ABSORBER INCLUDING A FIRST SET OF ROTATABLY MOUNTED WEIGHT MEANS, A SECOND SET OF ROTATABLY MOUNTED WEIGHT MEANS, EACH OF SAID SETS OF WEIGHT MEANS INCLUDING AT LEAST TWO EQUAL WEIGHTS, MEANS CONNECTED TO EACH OF SAID WEIGHTS OF SAID FIRST SET OF WEIGHT MEANS TO CAUSE ROTATION OF SAID FIRST SET OF WEIGHT MEANS IN ONE DIRECTION AT AN ANNULAR VELOCITY EQUAL TO A CONSTANT RATIO OF THE ANGULAR VELOCITY OF SAID HUB, MEANS CONNECTED TO EACH OF SAID WEIGHTS OF SAID SECOND SET OF WEIGHT MEANS TO CAUSE ROTATION OF SAID SECOND SET OF WEIGHT MEANS IN A DIRECTION OPPOSITE
Claim 2
Dependent Claim
141 words
IN COMBINATION, A ROTATING HUB, A PLURALITY OF MEMBERS ATTACHED TO SAID HUB AND EXTENDING RADIALLY THEREFROM, AND A VIBRATION ABSORBER TO SUBSTANTIALLY BALANCE OUT VIBRATIONS CREATED AT SAID HUB IN ONE PLANE BY SAID RADIAL MEMBERS, SAID VIBRATION ABSORBER INCLUDING A FIRST SET OF ROTATABLY MOUNTED WEIGHT MEANS, A SECOND SET OF ROTATABLY MOUNTED WEIGHT MEANS, EACH OF SAID SETS OF WEIGHT MEANS INCLUDING AT LEAST TWO EQUAL WEIGHTS, MEANS CONNECTED TO EACH OF SAID WEIGHTS OF SAID FIRST SET OF WEIGHT MEANS TO CAUSE ROTATION OF SAID FIRST SET OF WEIGHT MEANS IN ONE DIRECTION AT AN ANNULAR VELOCITY EQUAL TO A CONSTANT RATIO OF THE ANGULAR VELOCITY OF SAID HUB, MEANS CONNECTED TO EACH OF SAID WEIGHTS OF SAID SECOND SET OF WEIGHT MEANS TO CAUSE ROTATION OF SAID SECOND SET OF WEIGHT MEANS IN A DIRECTION OPPOSITE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |