Patent US3109613A successfully refreshed from Google Patents.
US3109613A
Expired / Lapsed
US
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Variable-camber airfoil
Assignee: Individual
•
Filing: 1960-11-28
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Granted: 1963-11-05
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Glenn D Bryant
- 👤 Stewart Aberdeen Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:15
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/44; B64C3/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
VARIABLE-CAMBER AIRFOIL CONSTRUCTION OF THE TYPE HAVING A SPAR, UPPER AND LOWER BENDABLE SKINS, A PLURALITY OF SPANWISE WEBS SPACED FROM THE SPAR AND FROM EACH OTHER AND JOINING SAID SKINS, AND ANGULARLY-ADJUSTABLE MEANS BETWEEN THE SKINS AND SUPPORTED BY THE SPAR ALONG A CHORDWISE AXIS TO TRANSFER LIFTING LOADS FROM THE SPANWISE WEBS TO THE SPAR, CHARACTERIZED IN THAT THE SAID ANGULARLY-ADJUSTABLE MEANS INCLUDE THROWS AT THE SUCCESSIVE WEBS PROGRESSIVELY OFFSET FROM THE AXIS, FURTHER CHARACTERIZED IN THAT THE THROWS TURN WITHIN FITTINGS MOUNTED TO AND MOVABLE SPANWISE RELATIVE TO THE WEBS, WHEREBY TO DEFLECT THE WEBS NORMAL TO THE AIRFOIL WITHOUT MOVING THEM SPANWISE.
Claim 2
Dependent Claim
106 words
VARIABLE-CAMBER AIRFOIL CONSTRUCTION OF THE TYPE HAVING A SPAR, UPPER AND LOWER BENDABLE SKINS, A PLURALITY OF SPANWISE WEBS SPACED FROM THE SPAR AND FROM EACH OTHER AND JOINING SAID SKINS, AND ANGULARLY-ADJUSTABLE MEANS BETWEEN THE SKINS AND SUPPORTED BY THE SPAR ALONG A CHORDWISE AXIS TO TRANSFER LIFTING LOADS FROM THE SPANWISE WEBS TO THE SPAR, CHARACTERIZED IN THAT THE SAID ANGULARLY-ADJUSTABLE MEANS INCLUDE THROWS AT THE SUCCESSIVE WEBS PROGRESSIVELY OFFSET FROM THE AXIS, FURTHER CHARACTERIZED IN THAT THE THROWS TURN WITHIN FITTINGS MOUNTED TO AND MOVABLE SPANWISE RELATIVE TO THE WEBS, WHEREBY TO DEFLECT THE WEBS NORMAL TO THE AIRFOIL WITHOUT MOVING THEM SPANWISE.
References Cited (Backward Citations)
FR631287A
Cited
US1823069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |