IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0481594
(2006-07-06)
|
등록번호 |
US-7322872
(2008-01-29)
|
발명자
/ 주소 |
- Butler,Ernest
- Connally,Michael
|
출원인 / 주소 |
- Butler,Ernest
- Connally,Michael
|
대리인 / 주소 |
Cohen Pontani Lieberman & Pavane LLP
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
15 |
초록
▼
A model toy aircraft is adapted for remote control operation on land, on the water and in the air. The toy aircraft includes a pair of pontoons spaced apart by a horizontal wing forming a tunnel hull. A tail section is provided including one or more moveable directional flight control surfaces. A mo
A model toy aircraft is adapted for remote control operation on land, on the water and in the air. The toy aircraft includes a pair of pontoons spaced apart by a horizontal wing forming a tunnel hull. A tail section is provided including one or more moveable directional flight control surfaces. A motive mechanism is mounted directly or indirectly to the wing for propelling the aircraft.
대표청구항
▼
We claim: 1. A model toy aircraft comprising: a central wing comprising a substantially horizontal planar web having a front end, an aft end, a first side and a second side; at least two pontoons, each mounted to the first and second sides of the wing so that the wing extends between the pontoons,
We claim: 1. A model toy aircraft comprising: a central wing comprising a substantially horizontal planar web having a front end, an aft end, a first side and a second side; at least two pontoons, each mounted to the first and second sides of the wing so that the wing extends between the pontoons, each pontoon having an upper surface and a lower surface, a front portion and a rear portion, the lower surface of each pontoon including a step located closer to the front portion than to the rear portion; a tail section including at least one moveable directional control surface, the tail section mounted on the aft end of the wing; a remote control operation system mounted to the wing; motive means connected to the remote control operation system and mounted directly or indirectly to the wing for propelling the aircraft, and a control surface control motor connected to the remote control operation system and to the at least one moveable directional control surface. 2. The model toy aircraft as claimed in claim 1, wherein each pontoon extends substantially from the front end to the aft end of the wing, and has a substantially planar and vertical inner face and an outer face inwardly inclined from top to bottom. 3. The model toy aircraft as claimed in claim 2, wherein the upper surface of each pontoon is flat and the lower surface is mostly flat, the outer face extending from the upper to the lower surface. 4. The model toy aircraft as claimed in claim 1, wherein each pontoon has a front portion including a nose, and a rear portion, the front portion being enlarged in relation to the rear portion. 5. The model toy aircraft as claimed in claim 4, wherein the front portion of each pontoon tapers inwardly towards the pontoon nose. 6. The model toy aircraft as claimed in claim 5, wherein the taper of the front portion of each pontoon is convex. 7. The model toy aircraft as claimed in claim 4, wherein the lower surface of each pontoon curves upwardly in a shallow convex curve toward the nose of each pontoon. 8. The model toy aircraft as claimed in claim 4, wherein the rear portion of each pontoon is shorter and narrower than the front portion. 9. The model toy aircraft as claimed in claim 4, wherein each of the lower surfaces of the front portion and rear portions of the pontoons are provided with a low friction, hardened, scuff and tear resistant coating. 10. The model toy aircraft as claimed in claim 9, wherein the resistant coating material is selected from a group consisting of: fiberglass, plastic and wood. 11. The model toy aircraft as claimed in claim 1, wherein the step is located at a distance of about one third of the length of the pontoon from the front portion to the rear portion. 12. The model toy aircraft as claimed in claim 1, wherein the wing has a forward angle of attack α that is slightly upward from horizontal. 13. The model toy aircraft as claimed in claim 12, wherein the angle of attack α is between about 5�� and about 10��. 14. The model toy aircraft as claimed in claim 1, wherein the pontoons project forwardly of the wing. 15. The model toy aircraft as claimed in claim 1, wherein the wing is formed in the shape of a reflexed airfoil. 16. The model toy aircraft as claimed in claim 1, wherein the at least one moveable directional control surface is split into independently controllable right and left portions. 17. The model toy aircraft as claimed in claim 1, wherein the tail section includes an upper tail surface and a lower tail surface, and at least two vertical stabilizers extending upwardly from the rearmost surface of each pontoon. 18. The model toy aircraft as claimed in claim 17, wherein at least one of the upper and lower tail surfaces is split into independently controllable right and left portions. 19. The model toy aircraft as claimed in claim 17, wherein each of the upper and lower tail surfaces is split into independently controllable right and left portions, and wherein the right upper and lower surface portions are connected to each other and the left upper and lower surface portions are connected to each other. 20. The model toy aircraft as claimed in claim 17, wherein the at least two vertical stabilizers are provided with rearwardly extending, moveable control surfaces. 21. The model toy aircraft as claimed in claim 1, wherein the motive means comprises at least one motor driven propeller. 22. The model toy aircraft as claimed in claim 21, wherein the at least one motor driven propeller is mounted at the front of the aircraft. 23. The model toy aircraft as claimed in claim 21, wherein the aircraft further includes at least one propeller housing mounted adjacent to the front end of the wing, to house the at least one motor driven propeller. 24. The model toy aircraft as claimed in claim 21, wherein at least one motor driven propeller is angled downward to provide down force. 25. The model toy aircraft as claimed in claim 24, where in the downward angel of the at least one motor driven propeller is between about 1�� to about 8�� relative to the wing incidence. 26. The model toy aircraft claimed in claim 21, wherein the at least one motor driven propeller is mounted at the rear of the aircraft. 27. The model toy aircraft as claimed in claim 21, wherein the at least one motor driven propellers is driven by an electric motor. 28. The model toy aircraft as claimed in claim 1, wherein the aircraft further includes a housing mounted adjacent to the front end of the wing, the housing being used to contain at least a portion of the remote control operation system. 29. The model toy aircraft as claimed in claim 28, wherein the aircraft further includes a strengthening rod attached to a front edge of the housing and to the pontoons. 30. The model toy aircraft as claimed in claim 1, wherein the remote control operation system includes at least a radio receiver, a controller, and a power supply. 31. The model toy aircraft as claimed in claim 30, wherein said power supply is a rechargeable battery. 32. The model toy aircraft as claimed in claim 1, wherein the aircraft is made from rigid, lightweight foam. 33. The model toy aircraft as claimed in claim 1, wherein the aircraft further includes an out-rigger sub tail flying surface mounted on the rear portion of the pontoons. 34. The model toy aircraft as claimed in claim 1, wherein the aircraft further includes an airscoop mounted on a central section of the wing above the vertical center of gravity of the aircraft. 35. The model toy aircraft as claimed in claim 1, wherein the wing together with the outboard pontoons define a tunnel hull. 36. The model toy aircraft as claimed in claim 1, wherein the tail section spans the width of the aircraft and has a chord length of at least 20% of its span. 37. The model toy aircraft as claimed in claim 1, wherein the motive means comprises two motor driven propellers. 38. The model toy aircraft as claimed in claim 37, wherein the thrust of each propeller is independently controllable to thereby enable the use of differential thrust to turn the aircraft. 39. The model toy aircraft as claimed in claim 37, wherein one of the two motor driven propellers is mounted at an inward angle sufficient to counter the rotational forces of the propellers. 40. The model toy aircraft as claimed in claim 1, wherein the longitudinal center of gravity of the aircraft, measured from a front end of the wing, is substantially at a 25% region. 41. The model toy aircraft as claimed in claim 40, wherein the aircraft includes an air scoop and an exhaust, and wherein the air scoop, the exhaust, and the tail section are located aft of the longitudinal center of gravity of the aircraft. 42. The model toy aircraft as claimed in claim 1, wherein the motive means has a thrust line, and wherein the thrust line of the motive means is located coincident with the vertical center of gravity of the aircraft and the zero lift line of the airframe. 43. A model toy aircraft comprising: a central wing comprising a substantially horizontal planar web having a front end, an aft end, a first side and a second side; at least two pontoons, each mounted to the first and second sides of the wing so that the wing extends between the pontoons, each pontoon having a substantially planar and vertical inner face and an outer face inwardly inclined from top to bottom; a tail section including at least one moveable directional control surface, the tail section mounted on the aft end of the wing; a remote control operation system mounted to the wing; motive means connected to the remote control operation system and mounted directly or indirectly to the wing for propelling the aircraft, and a control surface control motor connected to the remote control operation system and to the at least one moveable directional control surface. 44. The model toy aircraft as claimed in claim 43, wherein each pontoon extends substantially from the front end to the aft end of the wing. 45. The model toy aircraft as claimed in claim 44, wherein each pontoon has a flat upper surface and a mostly flat lower surface, the outer face extending from the upper to the lower surface. 46. The model toy aircraft as claimed in claim 43, wherein each pontoon has an upper surface and a lower surface, a front portion including a nose, and a rear portion, the front portion being enlarged in relation to the rear portion. 47. The model toy aircraft as claimed in claim 46, wherein the front portion of each pontoon tapers inwardly towards the pontoon nose. 48. The model toy aircraft as claimed in claim 47, wherein the taper of the front portion of each pontoon is convex. 49. The model toy aircraft as claimed in claim 46, wherein the lower surface of each pontoon curves upwardly in a shallow convex curve toward the nose of each pontoon. 50. The model toy aircraft as claimed in claim 46, wherein the rear portion of each pontoon is shorter and narrower than the front portion. 51. The model toy aircraft as claimed in claim 46, wherein the lower surface of each pontoon includes a step located closer to the front portion than to the rear portion. 52. The model toy aircraft as claimed in claim 51, wherein the step is located at about a third of the length from the front portion to the rear portion.
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