IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0327042
(2008-12-03)
|
| 등록번호 |
US-8091314
(2012-01-10)
|
|
발명자
/ 주소 |
- Polk, Jr., Dale E.
- Franks, James R.
|
| 출원인 / 주소 |
- LRM Industries International, Inc.
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
6 인용 특허 :
58 |
초록
▼
A load bearing assembly (300, 452) that includes at least one molded plastic panel (1) and/or at least one molded plastic panel assembly (3), a first support (303) and optionally a second support (306), is described. Each panel (1) of the load bearing assembly (300) includes a first external portion
A load bearing assembly (300, 452) that includes at least one molded plastic panel (1) and/or at least one molded plastic panel assembly (3), a first support (303) and optionally a second support (306), is described. Each panel (1) of the load bearing assembly (300) includes a first external portion (17) and a second external portion (20), each having a plurality of reinforcing structures (49, 79) having sidewalls (52, 82) that define a plurality of external portion recesses (64, 98).
대표청구항
▼
1. A load bearing assembly comprising: a. at least one molded panel comprising, i. a center portion of plastic material having a first side and a second side, said second side of said center portion comprising a plurality of plastic center reinforcing structures defining a plurality of center portio
1. A load bearing assembly comprising: a. at least one molded panel comprising, i. a center portion of plastic material having a first side and a second side, said second side of said center portion comprising a plurality of plastic center reinforcing structures defining a plurality of center portion apertures;ii. a first external portion of plastic material having a first side having a first surface and a second side having a second surface, said second side of said first external portion comprising a plurality of plastic first reinforcing structures having sidewalls having interior surfaces and exterior surfaces, the interior surfaces of at least some of said sidewalls defining a plurality of first external portion apertures, the exterior surfaces of the sidewalls of each first reinforcing structure together with the exterior surfaces of the sidewalls of at least one neighboring first reinforcing structure defining a plurality of first external portion recesses; andiii. a second external portion of plastic material having a first side having a first surface and a second side having a second surface, said second side of said second external portion comprising a plurality of plastic second reinforcing structures having sidewalls having interior and exterior surfaces, the interior surfaces of at least some of said sidewalls defining a plurality of second external portion apertures, the exterior surfaces of the sidewalls of each second reinforcing structure together with the exterior surfaces of at least one neighboring second reinforcing structure defining a plurality of second external portion recesses;iv. wherein, said center portion residing between and being continuous with each of said first external portion and said second external portion, and said center portion, said first external portion and said second external portion together defining a continuous unitary structure,v. said first side of said center portion, said first side of said first external portion and said first side of said second external portion together defining a first side of said panel, said first side of said panel being a substantially even surface, andvi. said second side of said center portion extends beyond each of the second side of said first external portion and the second side of said second external portion, said second side of said center portion, said second side of said first external portion and said second side of said second external portion together defining a second side of said panel, said second side of said panel being an uneven surface;b. a first support comprising a first side having an upper surface, said first side comprising a plurality of extensions defining a plurality of apertures, at least a portion of said first side of said first support abutting said second side of said first external portion, and at least some of said extensions of said first support being fittingly received within at least some of said first external portion recesses of said first external portion and forming a first set of support interlocks, said first set of support interlocks attaching said molded panel and said first support together; andc. optionally a second support comprising a first side having an upper surface, said first side comprising a plurality of extensions defining a plurality of apertures, at least a portion of said first side of said second support abutting said second side of said second external portion, and at least some of said extensions of said second support being fittingly received within at least some of said second external portion recesses of said second external portion and forming a second set of support interlocks, said second set of support interlocks attaching said molded panel and said second support together. 2. The load bearing assembly of claim 1 wherein said center portion, said first external portion and said second external portion each reside substantially within a common plane. 3. The load bearing assembly of claim 1 wherein, said plurality of center apertures each extend from said first side to said second side of said center section, said first surface of said first external portion is a substantially closed surface, and said first surface of said second external portion is a substantially closed surface. 4. The load bearing assembly of claim 1 wherein said plurality of center apertures, said plurality of first external portion apertures, and said plurality of second external portion apertures each independently have shapes selected from the group consisting of circles, ovals, polygons, irregular shapes and combinations thereof. 5. The load bearing assembly of claim 1 wherein, said center portion further comprises a first exterior edge and a second exterior edge, said first external portion further comprises an internal edge which is opposed to the first exterior edge of said center portion, said first exterior edge of said center portion and said internal edge of said first external portion together defining a first elongated open channel having an elongated open end on said second side of said panel, said second external portion further comprises an internal edge which is opposed to the second exterior edge of said center portion, said second exterior edge of said center portion and said internal edge of said second external portion together defining a second elongated open channel having an elongated open end on said second side of said panel, a portion of said upper surface of said first support is free of said extensions and forms with said first elongated open channel a first enclosed panel-support channel, and a portion of said upper surface of said second support is free of said extensions and forms with said second elongated open channel a second enclosed panel-support channel. 6. The load bearing assembly of claim 5 wherein said first enclosed panel-support channel and said second enclosed panel-support channel each independently have a cross-sectional shape selected from the group consisting of circles, ovals, polygonal shapes, irregular shapes and combinations thereof. 7. The load bearing assembly of claim 5 wherein, said first exterior edge of said center portion and said internal edge of said first external portion, which together define said first elongated open channel, each independently have a surface selected from the group consisting of a substantially closed and continuous surface, a surface having a plurality of apertures and combinations thereof, and said second exterior edge of said center portion and said internal edge of said second external portion, which together define said second elongated open channel, each independently have a surface selected from the group consisting of a substantially closed and continuous surface, a surface having a plurality of apertures and combinations thereof. 8. The load bearing assembly of claim 5 further comprising an elongated support residing in at least one of said first enclosed panel-support channel and said second enclosed panel-support channel. 9. The load bearing assembly of claim 8 wherein each elongated support has a cross sectional shape selected independently from the group consisting of circles, ovals, polygonal shapes, irregular shapes and combinations thereof. 10. The load bearing assembly of claim 8 wherein said elongated support is fabricated from a material selected from the group consisting of thermoset plastic materials, thermoplastic materials, metals and combinations thereof. 11. The load bearing assembly of claim 8 further comprising at least one of, a. at least one fastener extending through said molded panel, said elongated support and into at least one of said first support and said second support, andb. an adhesive interposed between an external surface of said elongated support and at least one of an internal surface of said first enclosed panel-support channel and an internal surface of said second enclosed panel-support channel;c. thereby further attaching said molded panel and at least one of said first support and said second support together. 12. The load bearing assembly of claim 1 wherein at least one of, said first set of support interlocks further comprises an adhesive residing within said first external portion recesses of said first external portion of said molded panel, and said second set of support interlocks further comprises an adhesive residing within said second external portion recesses of said second external portion of said molded panel. 13. The load bearing assembly of claim 1 wherein for each molded panel, said center portion has a thickness, said first external portion has a thickness, and said second external portion has a thickness, further wherein the thickness of said center portion is twice the thickness of said first external portion, and twice the thickness of said second external portion, and the thickness of said first external portion and the thickness of said second external portion are substantially equivalent. 14. The load bearing assembly of claim 1 wherein said first support and said second support are each independently fabricated from plastic material, the plastic material of said first support, said second support, said center portion, said first external portion and said second external portion is in each case independently selected from the group consisting of thermoset plastic materials, thermoplastic materials and combinations thereof. 15. The load bearing assembly of claim 14 wherein the plastic material of at least one of said first support, said second support, said center portion, said first external portion and said second external portion is reinforced with a material selected from the group consisting of glass fibers, glass beads, carbon fibers, metal flakes, metal fibers, polyamide fibers, cellulosic fibers, nanoparticulate clays, talc and mixtures thereof. 16. The load bearing assembly of claim 1 further comprising a substructure, said substructure comprising said first support and optionally said second support.
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