Cargo bed structure comprising fiber reinforced polymer components
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-033/03
B62D-033/02
B62D-025/20
출원번호
UP-0743405
(2007-05-02)
등록번호
US-7575264
(2009-08-31)
발명자
/ 주소
Solomon, Greg
출원인 / 주소
Martin Marietta Materials, Inc.
대리인 / 주소
Alston & Bird LLP
인용정보
피인용 횟수 :
8인용 특허 :
46
초록▼
The invention provides a cargo bed structure comprising a sub-floor assembly comprising a plurality of cross members in spaced relation and a cargo bed defined by a longitudinally extending load-bearing deck overlying the sub-floor assembly and comprising a plurality of interlocking fiber reinforced
The invention provides a cargo bed structure comprising a sub-floor assembly comprising a plurality of cross members in spaced relation and a cargo bed defined by a longitudinally extending load-bearing deck overlying the sub-floor assembly and comprising a plurality of interlocking fiber reinforced polymer decking planks extending in a direction perpendicular to the cross members; an upwardly extending bulkhead assembly comprising at least one fiber reinforced polymer panel; a tailboard opposing the bulkhead and spaced apart therefrom; and two opposing upwardly-extending sidewalls, wherein each of the sidewalls and the tailboard comprise at least one fiber reinforced polymer panel pivotally mounted to the load-bearing deck.
대표청구항▼
That which is claimed: 1. A cargo bed structure, comprising: a sub-floor assembly comprising a plurality of cross members in spaced relation; and a load-bearing deck overlying said sub-floor assembly and comprising a plurality of interlocking fiber reinforced polymer decking planks extending in a d
That which is claimed: 1. A cargo bed structure, comprising: a sub-floor assembly comprising a plurality of cross members in spaced relation; and a load-bearing deck overlying said sub-floor assembly and comprising a plurality of interlocking fiber reinforced polymer decking planks extending in a direction perpendicular to said cross members, said decking planks comprising: a first planar section having a load-bearing surface and an opposing surface and two opposed longitudinally extending edges; at least one support rib projecting from said opposing surface of said planar section, said support rib comprising a planar portion adapted for interfacing with said cross members; a first interlocking panel projecting from said opposing surface at one of said two opposed longitudinally extending edges of said planar section, said first interlocking panel comprising a longitudinally extending channel and a planar portion adapted for interfacing with said cross members; and a second interlocking panel projecting from said opposing surface at the other of said two opposed longitudinally extending edges of said planar section, said second interlocking panel comprising a longitudinally extending protrusion adapted for insertion into said longitudinally extending channel such that two adjacent decking planks are interlocked together and a planar portion adapted for interfacing with said cross members. 2. The cargo bed structure of claim 1, wherein said at least one support rib is substantially T-shaped, wherein the cross bar of the T is the planar portion adapted for interfacing with said cross members. 3. The cargo bed structure of claim 1, wherein each decking plank comprises a plurality of support ribs spaced apart across said opposing surface. 4. The cargo bed structure of claim 1, wherein said first and second interlocking panels are substantially L-shaped. 5. The cargo bed structure of claim 1, wherein the interlocking fiber reinforced polymer decking planks are of single-piece construction. 6. The cargo bed structure of claim 1, wherein said longitudinally extending channel and said protrusion are substantially rectangular in cross section. 7. The cargo bed structure of claim 1, wherein said cargo bed further comprises an upwardly-extending bulkhead assembly and opposed tailboard, and two opposing upwardly-extending sidewalls, wherein said bulkhead assembly and opposed tailboard are positioned substantially perpendicular to said opposing sidewalls. 8. The cargo bed structure of claim 7, wherein each of said sidewalls comprises at least one fiber reinforced polymer panel, said panel being pivotally mounted to said load-bearing deck such that said panel can be pivoted between a first position extending upwardly and substantially perpendicularly from said load-bearing deck and a second position extending outwardly from said load-bearing deck in substantially the same plane as said load-bearing deck. 9. The cargo bed structure of claim 8, wherein each of said opposing sidewalls comprises two fiber reinforced polymer panels, each panel pivotally mounted to said load-bearing deck. 10. The cargo bed structure of claim 9, further comprising four corner support posts affixed to said load-bearing deck at the corners thereof and a middle support post affixed to said load-bearing deck between the two fiber reinforced polymer panels of each of said sidewalls, each of said fiber reinforced polymer panels comprising a latching mechanism adapted for latching said panel to one of said corner support posts and one of said middle support posts while in said first position. 11. The cargo bed structure of claim 8, wherein each fiber reinforced polymer panel of said sidewalls can withstand a load of at least 600 pounds thereon while in said second position. 12. The cargo bed structure of claim 7, wherein said tailboard comprises a fiber reinforced panel pivotally mounted to said load-bearing deck such that said tailboard can be pivoted between a first position extending upwardly and substantially perpendicularly from said load-bearing deck and a second position extending outwardly from said load-bearing deck in substantially the same plane as said load-bearing deck. 13. The cargo bed structure of claim 12, further comprising a corner support post affixed to said load-bearing deck at each corner thereof proximate to said tailboard, wherein said fiber reinforced panel of said tailboard comprises a latching mechanism adapted for latching to each of said corner support posts proximate to said tailboard while said tailboard is in the first position. 14. The cargo bed structure of claim 7, wherein said bulkhead assembly comprises at least one fiber reinforced panel. 15. The cargo bed structure of claim 14, wherein said bulkhead assembly further comprises opposing fiber reinforced polymer corner posts positioned on either side of said fiber reinforced panel. 16. The cargo bed structure of claim 15, wherein said bulkhead assembly is affixed to a support beam. 17. The cargo bed structure of claim 7, further comprising a longitudinally extending window assembly removably attached to each of said sidewalls and said tailboard, said window assembly comprising a fiber reinforced polymer lower frame member adapted to support at least one removable section of ballistic glass, a section of ballistic glass carried by said lower frame section, and a removable fiber reinforced polymer top frame member overlying said ballistic glass section. 18. The cargo bed structure of claim 17, wherein said window assembly comprises a plurality of removable ballistic glass sections in spaced relation carried by said lower frame member, said window assembly further comprising a fiber reinforced polymer column between each ballistic glass section. 19. The cargo bed structure of claim 17, wherein said lower frame member comprises a substantially U-shaped channel operatively positioned to carry said removable ballistic glass section and a substantially U-shaped channel operatively positioned to bracket the top each of said sidewalls and said tailboard. 20. The cargo bed structure of claim 19, wherein the window assembly further comprises a plurality of retaining pins operatively positioned to temporarily affix the window assembly to the top of each of said sidewalls and said tailboard. 21. A cargo truck comprising the cargo bed structure of claim 1. 22. A cargo bed structure, comprising: a sub-floor assembly comprising a plurality of cross members in spaced relation; and a cargo bed comprising: a longitudinally extending load-bearing deck overlying said sub-floor assembly and comprising a plurality of interlocking fiber reinforced polymer decking planks extending in a direction perpendicular to said cross members; an upwardly-extending bulkhead assembly comprising at least one fiber reinforced polymer panel; a tailboard opposing said bulkhead and spaced apart therefrom; and two opposing upwardly-extending sidewalls; wherein said bulkhead assembly and opposed tailboard are positioned substantially perpendicular to said opposing sidewalls, and wherein each of said sidewalls and said tailboard comprise at least one fiber reinforced polymer panel pivotally mounted to said load-bearing deck such that said sidewalls and said tailboard can be pivoted between a first position extending upwardly and substantially perpendicularly from said load-bearing deck and a second position extending outwardly from said load-bearing deck in substantially the same plane as said load-bearing deck. 23. The cargo bed structure of claim 22, wherein said decking planks comprise: a first planar section having a load-bearing surface and an opposing surface and two opposed longitudinally extending edges; at least one support rib projecting from said opposing surface of said planar section, said support rib comprising a planar portion adapted for interfacing with said cross members; a first interlocking panel projecting from said opposing surface at one of said two opposed longitudinally extending edges of said planar section, said first interlocking panel comprising a longitudinally extending channel and a planar portion adapted for interfacing with said cross members; and a second interlocking panel projecting from said opposing surface at the other of said two opposed longitudinally extending edges of said planar section, said second interlocking panel comprising a longitudinally extending protrusion adapted for insertion into said longitudinally extending channel such that two adjacent decking planks are interlocked together and a planar portion adapted for interfacing with said cross members. 24. The cargo bed structure of claim 22, further comprising a corner support posts affixed to each corner of said load-bearing deck and a middle support post affixed to each longitudinally extending side of said load-bearing deck. 25. The cargo bed structure of claim 24, wherein each sidewall comprises two adjacent fiber reinforced polymer panels, one panel positioned on each side of each of said middle support posts, and wherein each panel comprises a first latching mechanism operatively positioned to latch the panel to one of said corner support posts and a second latching mechanism operatively positioned to latch the panel to one of said middle support posts when the sidewalls are in the first position. 26. The cargo bed structure of claim 24, wherein said fiber reinforced panel of said tailboard comprises a first latching mechanism operatively positioned to latch the tailboard to a first adjacent corner support post and a second latching mechanism operatively positioned to latch the tailboard to a second adjacent corner support post when said tailboard is in the first position. 27. A cargo truck comprising the cargo bed structure of claim 22.
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