US4266742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ram wing aircraft launch platform system
Assignee: United States, UNITED STATES AIR FORCE, Secretary of
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Filing: 1979-10-17
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Granted: 1981-05-12
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Expires: 1999-10-17
Abstract
Abstract A launch platform for conventional landing gear aircraft having the launch platform configured as a ram wing structure with wheel latches secured to the platform. The platform is secured to the aircraft by means of the wheel latches. The wheel latches are released to permit the aircraft to leave the platform by pilot command. A parachute system is provided for platform deceleration after aircraft take-off. Spoilers are provided on the ram wing for stabilization of the ram wing during rotation.
Inventors
- 👤 David J. Perez
- 👤 Kenneth P. Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:57
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/04; B64F1/22; B64F1/223
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
98 words
A platform launch system for aircraft having conventional wheel landing gear, comprising: a ram wing having a plurality of openings to permit the aircraft nose landing gear wheel and the aircraft main landing gear wheels to extend through the ram wing to contact the runway surface; means, supported on said ram wing, for securing the nose landing gear wheel to the ram wing; means, supported on said ram wing for securing the main landing gear wheels to the ram wing; means for releasing the nose landing gear wheel and the main landing gear wheels from the ram wing.
Claim 2
Dependent Claim
98 words
A platform launch system for aircraft having conventional wheel landing gear, comprising: a ram wing having a plurality of openings to permit the aircraft nose landing gear wheel and the aircraft main landing gear wheels to extend through the ram wing to contact the runway surface; means, supported on said ram wing, for securing the nose landing gear wheel to the ram wing; means, supported on said ram wing for securing the main landing gear wheels to the ram wing; means for releasing the nose landing gear wheel and the main landing gear wheels from the ram wing.
Claim 3
Dependent Claim
57 words
The device as recited in claim 1 wherein said means for securing the nose landing gear wheel to the ram wing includes a latch mechanism for engaging the nose landing gear wheel hub; said means for securing the main landing gear wheels to the ram wing includes latch mechanisms for engaging the main landing gear wheel hubs.
Claim 4
Dependent Claim
52 words
The device as recited in claim 2 wherein said means for releasing the nose landing gear wheel and the main landing gear wheels from the ram wing includes means responsive to a command signal from the aircraft, for releasing the nose wheel latch mechanism and for releasing the main wheel latch mechanism.
Claim 5
Dependent Claim
81 words
The device as recited in claim 3 including a deceleration parachute secured to the ram wing; means responsive to a command signal from the aircraft for releasing said parachute; a first spoiler member connected to the left side of said ram wing and a second spoiler connected to the right side of the ram wing; means, responsive to a command signal from the aircraft, for positioning the spoilers for negative lift to stabilize the ram wing during aircraft take-off and rotation.
References Cited (Backward Citations)
FR56525E
Cited
US2135033A
Cited
FR835594A
Cited
US2364803A
Cited
US2585870A
Cited
FR1007644A
Cited
US2774557A
Cited
US2798729A
Cited
US2919043A
Cited
US3963196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-05-11 | 1984-11-10 | 1985-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-11 | 1988-11-10 | 1989-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-11 | 1992-11-10 | 1993-05-12 | $7700.00 | Window Closed / Lapsed |