A movable platform system for a cargo bed of a pickup truck includes left and right parallel rail assemblies mountable in the bed and left and right platform supports carrying a plurality of roller bearings that engage two surfaces on each rail. A platform suspended from both platform supports is sl
A movable platform system for a cargo bed of a pickup truck includes left and right parallel rail assemblies mountable in the bed and left and right platform supports carrying a plurality of roller bearings that engage two surfaces on each rail. A platform suspended from both platform supports is slidable between a forward and rearward position on the rail assemblies. A locking mechanism connected to the platform support allows the platform to be secured in a forward and rearward position.
대표청구항▼
1. A movable platform system for a cargo bed of a pickup truck, the movable platform system comprising: left and right rail assemblies mountable parallel to one another in the cargo bed of the pickup truck, wherein each of the left and right rail assemblies comprise a box rail and an upward facing 9
1. A movable platform system for a cargo bed of a pickup truck, the movable platform system comprising: left and right rail assemblies mountable parallel to one another in the cargo bed of the pickup truck, wherein each of the left and right rail assemblies comprise a box rail and an upward facing 90° angle rail welded to the box rail;a left platform support carrying a plurality of roller bearings that engage two surfaces of the left rail assembly;a right platform support carrying a plurality of roller bearings that engage two surfaces of the right rail assembly;a platform suspended from the left and right platform supports wherein the platform is slidable on the left and right rail assemblies between a forward position and a rearward position; anda locking mechanism connected to the left and right platform supports and configured to secure the platform in the forward position and rearward position;wherein each of the left and right platform supports comprises a fixture containing a bearing feature with roller bearings in contact with each upward facing surface of the angled rail, and a low friction keeper feature in contact with bottom surface of the box rail. 2. The movable platform system of claim 1, wherein each of the left and right rail assemblies further comprises a pair of risers for mounting on the cargo bed floor, a wall mounting arm extending from each riser, and a rail mounting arm that extends from each riser to the box rail. 3. The movable platform system of claim 2, wherein a floor mounting pad is attached to a bottom of each riser. 4. The movable platform system of claim 2, wherein a wall mounting arm pad is attached to an outer end of each wall mounting arm. 5. The movable platform system of claim 1, wherein the keeper feature includes a low friction polymeric pad. 6. The movable platform system of claim 1, wherein the bearing feature comprises a downward facing 90° angled rail immediately above and parallel to the upward facing 90° angled rail with roller bearings mounted on axial bolts perpendicular to and inserted into both faces of the downward facing rail such that the roller bearing surfaces are parallel to and in contact with the sides of the upward facing 90° angled rail allowing slidable motion of the roller bearing assembly along an upward facing rail. 7. The movable platform system of claim 1, wherein the locking mechanism comprises spring loaded lockrods and lockrod guides attached to a back plate on the platform and capable of insertion into holes in the box rails. 8. The movable platform system of claim 7, wherein the locking mechanism further comprises a T-bar to actuate the lockrods. 9. The movable platform system of claim 1, wherein the distance from a bottom of the platform to a floor of the pickup bed is adjustable through connections between the platform and the left and right platform supports. 10. The movable platform system of claim 1, wherein the two surfaces of the first rail assembly engaged by the roller bearings are adjacent to one another, and wherein the two surfaces of the second rail assembly engaged by the roller bearings are adjacent one another. 11. The movable platform system of claim 1, wherein the platform comprises left and right saddles connected between the left and right platform supports. 12. The movable platform system of claim 1, wherein the locking mechanism comprises retractable lock rods for engaging locking holes in the left and right rail assemblies. 13. A movable platform system for a cargo bed of a pickup truck, the movable platform system comprising: left and right rail assemblies mountable parallel to one another in the cargo bed of the pickup truck, wherein each of the left and right rail assemblies comprise a box rail, an upward facing 90° angled rail welded to the box rail, a pair of risers for mounting on the cargo bed floor, a wall mounting arm extending from each riser, and a rail mounting arm that extends from each riser to the box rail;a left platform support carrying a plurality of roller bearings that engage two surfaces of the left rail assembly;a right platform support carrying a plurality of roller bearings that engage two surfaces of the right rail assembly; anda platform suspended from the left and right platform supports wherein the platform is slidable on the left and right rail assemblies between a forward position and a rearward position;wherein each of the left and right platform supports comprises a fixture containing a bearing feature with roller bearings in contact with each upward facing surface of the angled rail, and a low friction keeper feature in contact with bottom surface of the box rail. 14. The movable platform system of claim 13, wherein a floor mounting pad is attached to a bottom of each riser. 15. The movable platform system of claim 13, wherein a wall mounting arm pad is attached to an outer end of each wall mounting arm. 16. The movable platform system of claim 13, wherein the bearing feature comprises a downward facing 90° angled rail immediately above and parallel to the upward facing 90° angled rail with roller bearings mounted on axial bolts perpendicular to and inserted into both faces of the downward facing rail such that the roller bearing surfaces are parallel to and in contact with the sides of the upward facing 90° angled rail allowing slidable motion of the roller bearing assembly along an upward facing rail. 17. The movable platform system of claim 13, and further comprising a locking mechanism connected to the platform supports and configured to secure the platform in the forward position and rearward position, wherein the locking mechanism comprises spring loaded lockrods and lockrod guides attached to a back plate on the platform and capable of insertion into holes in the box rails. 18. The movable platform system of claim 17, wherein the locking mechanism further comprises a T-bar to actuate the lockrods. 19. The movable platform system of claim 13, wherein the platform comprises left and right saddles connected between the left and right platform supports. 20. A movable platform system for a cargo bed of a pickup truck, the movable platform system comprising: left and right rail assemblies mountable parallel to one another in the cargo bed of the pickup truck, wherein each of the left and right rail assemblies comprise a box rail, and an upward facing 90° angled rail welded to the box rail;a left platform support carrying a plurality of roller bearings that engage two surfaces of the angled rail of the left rail assembly;a right platform support carrying a plurality of roller bearings that engage two surfaces of the angled rail of the right rail assembly;a platform suspended from the left and right platform supports wherein the platform is slidable on the left and right rail assemblies between a forward position and a rearward position; anda locking mechanism connected to the platform support and configured to secure the platform in the forward position and rearward position;wherein each of the left and right platform supports includes a downward facing 90° angled rail immediately above and parallel to one of the upward facing 90° angled rails with roller bearings mounted on axial bolts perpendicular to and inserted into both faces of the downward facing rail such that the roller bearing surfaces are parallel to and in contact with the surfaces of the upward facing 90° angled rail allowing slidable motion of the left and right platform supports along the upward facing 90° angled rails.
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