Patent US3280949A successfully refreshed from Google Patents.
US3280949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction driven element employing vibration dampening means
Assignee: Borg Warner Corp
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Filing: 1964-09-03
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Granted: 1966-10-25
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Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Ross Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/129; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/68; F16D13/686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A TORSIONAL VIBRATION DAMPENING MEANS, COMPRISING: ROTATIVE INPUT MEANS, ROTATIVE OUTPUT MEANS, A NEST OF CONCENTRICALLY ARRANGED ALTERNATING RIGID AND RESILIENT RINGS, SAID NEST OF RINGS BEING DISPOSED TO ENCIRCLE SAID OUTPUT MEANS AND NESTING WITHIN SAID INPUT MEANS, SAID NEST OF RINGS INTERCONNECTING SAID INPUT AND OUTPUT MEANS FOR TRANSMITTING DAMPENED ROTARY DRIVE THEREBETWEEN, AND MEANS INTERCONNECTING SAID RESILIENT AND RIGID RINGS IN SERIES WHEREBY THE ARCUATE DEFLECTION OF EACH OF SAID RIGID RINGS BECOME ADDITIVE IN PERMITTING RELATIVE ROTARY MOVEMENT BETWEEN SAID INPUT AND OUTPUT MEANS, AND MEANS LIMITING THE DEFLECTION OF AT LEAST ONE OF SAID RIGID RINGS WHILE PERMITTING FREEDOM OF MOVEMENT OF THE OTHER SAID RIGID RINGS FOR VARYING THE DAMPENING EFFECT OF SAID NEST OF RINGS.
Claim 2
Dependent Claim
122 words
A TORSIONAL VIBRATION DAMPENING MEANS, COMPRISING: ROTATIVE INPUT MEANS, ROTATIVE OUTPUT MEANS, A NEST OF CONCENTRICALLY ARRANGED ALTERNATING RIGID AND RESILIENT RINGS, SAID NEST OF RINGS BEING DISPOSED TO ENCIRCLE SAID OUTPUT MEANS AND NESTING WITHIN SAID INPUT MEANS, SAID NEST OF RINGS INTERCONNECTING SAID INPUT AND OUTPUT MEANS FOR TRANSMITTING DAMPENED ROTARY DRIVE THEREBETWEEN, AND MEANS INTERCONNECTING SAID RESILIENT AND RIGID RINGS IN SERIES WHEREBY THE ARCUATE DEFLECTION OF EACH OF SAID RIGID RINGS BECOME ADDITIVE IN PERMITTING RELATIVE ROTARY MOVEMENT BETWEEN SAID INPUT AND OUTPUT MEANS, AND MEANS LIMITING THE DEFLECTION OF AT LEAST ONE OF SAID RIGID RINGS WHILE PERMITTING FREEDOM OF MOVEMENT OF THE OTHER SAID RIGID RINGS FOR VARYING THE DAMPENING EFFECT OF SAID NEST OF RINGS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |