US3127130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable shaped airfoil
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:32
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/44; B64C3/48; B64C9/00; B64C9/14; B64C9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A WING COMPRISING LONGITUDINALLY EXTENDING SPAR MEANS EXTENDING THROUGH AND OPERATIVELY CONNECTED TO A PLURALITY OF SPACED FLEXIBLE RIBS VARIABLY DEFORMABLE THROUGHOUT IN A PLANE TRANSVERSE TO SAID SPAR MEANS, EACH OF SAID RIBS INCLUDING FLEXIBLE UPPER AND LOWER PORTIONS JOINED AT THEIR LEADING EDGES, SEPARATE ENDS AT THE TRAILING EDGE THEREOF MOVABLE RELATIVE TO ONE ANOTHER, CONNECTING MEANS PREVENTING SUBSTANTIAL SEPARATION BETWEEN SAID ENDS WHILE PERMITTING RELATIVE MOVEMENT THEREBETWEEN IN A DIRECTION GENERALLY PARALLEL TO THE CHORD OF THE RIB FOR CHORD-WISE DEFORMATION, EXPANSION MEANS DISPLACEABLY MOUNTED WITHIN SAID RIB AND CONNECTED TO THE UPPER AND LOWER PORTIONS THEREOF OPERABLE TO CHANGE CAMBER SPACING BETWEEN THE UPPER AND LOWER PORTIONS, FIRST POWER MEANS OPERATIVELY CONNECTED TO SAID EXPANSION MEANS, DUAL FLAPS OPERATIVELY CONNECTED IN CHORDWISE SPACED RELATIONSHIP TO THE LOWER PORTIONS OF THE RIBS AND SECOND POWER MEANS OPERATIVELY CONNECTED TO SAID FLAPS.
Claim 2
Dependent Claim
144 words
A WING COMPRISING LONGITUDINALLY EXTENDING SPAR MEANS EXTENDING THROUGH AND OPERATIVELY CONNECTED TO A PLURALITY OF SPACED FLEXIBLE RIBS VARIABLY DEFORMABLE THROUGHOUT IN A PLANE TRANSVERSE TO SAID SPAR MEANS, EACH OF SAID RIBS INCLUDING FLEXIBLE UPPER AND LOWER PORTIONS JOINED AT THEIR LEADING EDGES, SEPARATE ENDS AT THE TRAILING EDGE THEREOF MOVABLE RELATIVE TO ONE ANOTHER, CONNECTING MEANS PREVENTING SUBSTANTIAL SEPARATION BETWEEN SAID ENDS WHILE PERMITTING RELATIVE MOVEMENT THEREBETWEEN IN A DIRECTION GENERALLY PARALLEL TO THE CHORD OF THE RIB FOR CHORD-WISE DEFORMATION, EXPANSION MEANS DISPLACEABLY MOUNTED WITHIN SAID RIB AND CONNECTED TO THE UPPER AND LOWER PORTIONS THEREOF OPERABLE TO CHANGE CAMBER SPACING BETWEEN THE UPPER AND LOWER PORTIONS, FIRST POWER MEANS OPERATIVELY CONNECTED TO SAID EXPANSION MEANS, DUAL FLAPS OPERATIVELY CONNECTED IN CHORDWISE SPACED RELATIONSHIP TO THE LOWER PORTIONS OF THE RIBS AND SECOND POWER MEANS OPERATIVELY CONNECTED TO SAID FLAPS.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |