IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0177639
(2008-07-22)
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등록번호 |
US-8186747
(2012-05-29)
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발명자
/ 주소 |
- Bloodworth, Jeff
- Godwin, Lincoln Grant
- Peterson, Jr., Paul Willard
- Seiter, Joseph Anthony
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출원인 / 주소 |
- Martin Marietta Materials, Inc.
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대리인 / 주소 |
Nelson Mullins Riley & Scarborough LLP
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인용정보 |
피인용 횟수 :
4 인용 특허 :
44 |
초록
▼
The present invention provides an integrated composite floor unit and front wall assembly that can be used in a variety of structures. The integrated composite floor unit and front wall assembly is formed of a floor unit having a front portion and a front wall integrally formed with and rising up fr
The present invention provides an integrated composite floor unit and front wall assembly that can be used in a variety of structures. The integrated composite floor unit and front wall assembly is formed of a floor unit having a front portion and a front wall integrally formed with and rising up from the front portion of the floor unit. The assembly can include other structural features and may be easily combined with a number of further structural components to form a structure. In specific embodiments, the assembly forms part of a modular trailer. In particular, the trailer can be formed of the composite assembly, a composite roof, composite side walls, and a composite rear frame. Such composite trailers advantageously provide a storage volume approximately equal to or greater than conventional trailers but are lighter in weight, thus allowing for storage and/or hauling of a greater weight of cargo than in conventional trailers.
대표청구항
▼
1. A modular composite trailer comprising: A) two opposing composite sidewall panels, each having a top edge, a bottom edge, a front edge, and a rear edge;B) a composite roof panel having two side portions, a front edge, and a rear edge, the roof panel side portions being adapted to receive the top
1. A modular composite trailer comprising: A) two opposing composite sidewall panels, each having a top edge, a bottom edge, a front edge, and a rear edge;B) a composite roof panel having two side portions, a front edge, and a rear edge, the roof panel side portions being adapted to receive the top edges of the sidewall panels;C) an integrated composite floor unit and front wall assembly comprising: i) a floor unit having a front portion, a rear edge, and two side portions, the floor unit side portions being adapted to receive the bottom edges of the sidewall panels; andii) a front wall integrally formed with and rising up from the front portion of the floor unit, the front wall having a top portion adapted to receive the front edge of the roof panel and having two side portions adapted to receive the front edges of the sidewall panels; andD) a composite rear frame having a bottom frame component adapted to receive the rear edge of the floor unit, two side frame components adapted to receive the rear edges of the sidewall panels such that each, single sidewall panel extends entirely between the front wall and the rear frame, and a top frame component adapted to receive the rear edge of the roof panel;the components being combined to form the trailer having an interior and an exterior andwherein the trailer has a length of about 53 feet and has an average overall empty weight of less than about 12,000 pounds. 2. The modular composite trailer of claim 1, wherein one or more of the sidewall panels, the roof panel, the integrated floor unit and front wall assembly, and the rear frame comprise a composite material selected from the group consisting of a fiber reinforced polymer material;a fiber reinforced polymer composite;a solid laminate; andcombinations thereof. 3. The modular composite trailer of claim 2, wherein the fiber reinforced polymer composite is selected from the group consisting of: a pultruded sandwich panel comprising an upper skin, a lower skin, and a core disposed substantially between the upper and lower skins;a vacuum-infused sandwich panel comprising an upper skin and a lower skin and a core disposed substantially between the upper and lower skins;a pultruded panel comprising an upper skin and a lower skin and a web material disposed substantially between the upper and lower skins; andcombinations thereof. 4. The modular composite trailer of claim 1, wherein the roof panel side portions have a downward orientation. 5. The modular composite trailer of claim 4, wherein the downwardly oriented side portions of the roof panel align with the top edges of the sidewalls to form a joint. 6. The modular composite trailer of claim 5, wherein the joint is a lap joint or a tongue and groove joint. 7. The modular composite trailer of claim 4, wherein the downwardly oriented side portions of the roof panel are adapted to receive the top edges of the sidewall panels by comprising a first terminal edge that is jointed to the top edge of the sidewall and an overhang component that extends beyond the first terminal edge and covers the joint between the first terminal edge of the downwardly oriented side portion and the top edge of the sidewall on the exterior of the trailer. 8. The modular composite trailer of claim 4, further comprising a joint plate attached to the downwardly oriented side portions of the roof panel on the interior of the trailer. 9. The modular composite trailer of claim 8, wherein the joint plate is further attached to the sidewall near the top edge of the sidewall. 10. The modular composite trailer of claim 8, wherein the joint plate comprises a composite material. 11. The modular composite trailer of claim 1, wherein the floor unit side portions have an upward orientation. 12. The modular composite trailer of claim 11, wherein the upwardly oriented side portions of the floor unit align with the bottom edges of the sidewalls to foun a joint. 13. The modular composite trailer of claim 12, wherein the joint is a lap joint or a tongue and groove joint. 14. The modular composite trailer of claim 11, wherein the upwardly oriented side portions of the floor unit are adapted to receive the bottom edges of the sidewall panels by comprising a first terminal edge that is jointed to the bottom edge of the sidewall and an overhang component that extends beyond the first terminal edge and covers the joint between the first terminal edge of the upwardly oriented side portion and the bottom edge of the sidewall on the exterior of the trailer. 15. The modular composite trailer of claim 11, further comprising a joint plate attached to the upwardly oriented side portions of the floor unit on the interior of the trailer. 16. The modular composite trailer of claim 15, wherein the joint plate is further attached to the sidewall near the bottom edge of the sidewall. 17. The modular composite trailer of claim 15, wherein the joint plate comprises a composite material. 18. The modular composite trailer of claim 1, wherein the front wall side portions have a rearward orientation. 19. The modular composite trailer of claim 18, wherein the rearwardly oriented side portions of the front wall align with the front edges of the sidewalls to form a joint. 20. The modular composite trailer of claim 19, wherein the joint is a lap joint or a tongue and groove joint. 21. The modular composite trailer of claim 18, wherein the rearwardly oriented side portions of the front wall are adapted to receive the front edges of the sidewall panels by comprising a first terminal edge that is jointed to the front edge of the sidewall and an overhang component that extends beyond the first terminal edge and covers the joint between the first terminal edge of the rearwardly oriented side portion and the front edge of the sidewall on the exterior of the trailer. 22. The modular composite trailer of claim 18, further comprising a joint plate attached to the rearwardly oriented side portions of the front wall on the interior of the trailer. 23. The modular composite trailer of claim 22, wherein the joint plate is further attached to the sidewall near the front edge of the sidewall. 24. The modular composite trailer of claim 22, wherein the joint plate comprises a composite material. 25. The modular composite trailer of claim 1, wherein the top portion of the front wall comprises an indentation for receiving the front edge of the roof panel. 26. The modular composite trailer of claim 1, wherein the rear frame is a one-piece, molded structure. 27. The modular composite trailer of claim 1, wherein bottom component of the rear frame comprises a groove for receiving the rear edge of the floor unit. 28. The modular composite trailer of claim 1, wherein the side components of the rear frame comprise an indentation for receiving the rear edge of the sidewall. 29. The modular composite trailer of claim 1, wherein the top component of the rear frame comprises an indentation for receiving the rear edge of the roof panel. 30. The modular composite trailer of claim 1, wherein the rear frame component defines a doorway for entrance into the trailer. 31. The modular composite trailer of claim 1, further comprising one or more doors hingedly attached to the rear frame component. 32. The modular composite trailer of claim 31, wherein the one or more doors comprise composite panels. 33. The modular composite trailer of claim 1, wherein one or more of the sidewall panels, the roof panel, the integrated floor unit and front wall assembly, and the rear frame comprise a molded recess or channel. 34. The modular composite trailer of claim 1, further comprising a reinforcing plate attached to the floor unit near the rear edge thereof and extending across the bottom component of the rear frame. 35. The modular composite trailer of claim 1, further comprising a metal coupler plate attached to the exterior of the floor unit component of the integrated composite floor unit and front wall assembly near the front wall. 36. The modular composite trailer of claim 35, wherein the coupler plate is bonded, bolted, or both bonded and bolted. 37. The modular composite trailer of claim 1, further comprising a king pin assembly for securing the trailer to a vehicle. 38. The modular composite trailer of claim 1, further comprising one or more suspension elements attached to the exterior of the floor unit. 39. The modular composite trailer of claim 38, wherein the exterior of the floor unit comprises one or more grooves for recessedly accepting the one or more components for attachment of a suspension assembly to the trailer. 40. The modular composite trailer of claim 38, further comprising one or more suspension plates integrally formed within the floor unit and including an exposed portion for attachment of a suspension assembly to the trailer. 41. The modular composite trailer of claim 1, wherein the trailer has an average overall empty weight of less than about 11,000 pounds. 42. A modular trailer comprising the following components: A) two opposing sidewalls;B) a roof;C) a front wall; andD) a composite floor unit having one or more hardpoint connectors integrally formed therein. 43. The modular trailer of claim 42, wherein the hardpoint connector is a metal plate for attachment of a suspension assembly or a lift assembly. 44. The modular trailer of claim 42, wherein the two opposing sidewalls are formed of composite material. 45. The modular trailer of claim 42, wherein the roof is formed of composite material. 46. The modular trailer of claim 1, wherein the floor unit is both a flooring surface and a chassis. 47. A modular structural component comprising a composite structural component having one or more hardpoint connectors integrally formed therein. 48. The modular trailer of claim 42, wherein the hardpoint connector is at least partially embedded within the composite floor unit. 49. The structural component of claim 47, wherein the hardpoint connector is at least partially embedded within the composite structural component.
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