Patent US3333643A successfully refreshed from Google Patents.
US3333643A
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Flexible deployable rotor system
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1965-03-16
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Granted: 1967-08-01
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Peter F Girard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:37
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/58; B; B64; B64C; B64C27/00; B64C27/32; B64C27/46; B64D; B64D1/00; B64D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A ROTOR SYSTEM FOR AIR TO SURFACE DELIVERY OF A PAYLOAD, COMPRISING: AN ATTACHMENT MEMBER HAVING MEANS FOR ATTACHMENT TO A PAYLOAD; A ROTOR MOUNTED FOR FREE ROTATION RELATIVE TO SAID ATTACHMENT MEMBER AND HAVING FLEXIBLE BLADES; RESTRAINING MEANS FOR HOLDING TIP PORTIONS OF SAID BLADES ADJACENT THE AXIS OF ROTATION IN A PARTIALLY OPEN POSITION; SPIN INDUCING MEANS COUPLED TO SAID ROTOR TO SPIN THE ROTOR WITH THE BLADES IN SAID PARTIALLY OPEN POSITION; AND ROTATION RESPONSIVE RELEASE MEANS COUPLED TO SAID RESTRAINING MEANS TO RELEASE SAID BLADES AT A PREDETERMINED RATE OF ROTATION, WHEREBY THE BLADES EXTEND CENTRIFUGALLY.
Claim 2
Dependent Claim
100 words
A ROTOR SYSTEM FOR AIR TO SURFACE DELIVERY OF A PAYLOAD, COMPRISING: AN ATTACHMENT MEMBER HAVING MEANS FOR ATTACHMENT TO A PAYLOAD; A ROTOR MOUNTED FOR FREE ROTATION RELATIVE TO SAID ATTACHMENT MEMBER AND HAVING FLEXIBLE BLADES; RESTRAINING MEANS FOR HOLDING TIP PORTIONS OF SAID BLADES ADJACENT THE AXIS OF ROTATION IN A PARTIALLY OPEN POSITION; SPIN INDUCING MEANS COUPLED TO SAID ROTOR TO SPIN THE ROTOR WITH THE BLADES IN SAID PARTIALLY OPEN POSITION; AND ROTATION RESPONSIVE RELEASE MEANS COUPLED TO SAID RESTRAINING MEANS TO RELEASE SAID BLADES AT A PREDETERMINED RATE OF ROTATION, WHEREBY THE BLADES EXTEND CENTRIFUGALLY.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |