Internal frame 28 parallels portions of the perimeter tube 26, reinforcing the sides of the perimeter tube and adding a seat back bottom brace 34 and a cross member 32 to give the frame 20 rigidity. Excluding the risers 22, 24, virtually none of the components are reusable should seat specifications, such as width, or height of the seat back be changed. An internal frame 28 and a back seat support 30 are nestled within the closed perimeter tube 26. Wall riser 24 is constructed by welding together at least two plates. The full perimeter tube 26 is supported by an aisle riser 22 and a wall riser 24. A closed loop, multi-piece full perimeter tube 26 outlines the seating area. 2 illustrates a seat frame 20 according to the prior art. B60N2/00- Seats specially adapted for vehicles Arrangement or mounting of seats in vehicles.B60N- SEATS SPECIALLY ADAPTED FOR VEHICLES VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR.230000021037 unidirectional conjugation Effects 0.000 description 1.238000004642 transportation engineering Methods 0.000 description 1.238000006011 modification reaction Methods 0.000 description 1.238000004519 manufacturing process Methods 0.000 description 1.230000023298 conjugation with cellular fusion Effects 0.000 description 1.230000002787 reinforcement Effects 0.000 claims description 3.241000424123 Trachinotus baillonii Species 0.000 claims description 4.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by International Truck Intellectual Property Company, Llc filed Critical International Truck Intellectual Property Company, Llc Priority to US12/863,071 priority Critical patent/US20100320826A1/en Priority to PCT/IN2008/000057 priority patent/WO2009095928A2/en Publication of WO2009095928A2 publication Critical patent/WO2009095928A2/en Publication of WO2009095928A3 publication Critical patent/WO2009095928A3/en Links Gupta Original Assignee International Truck Intellectual Property Company, Llc Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents WO2009095928A2 - Integrated mounting flange for school bus seats WO2009095928A2 - Integrated mounting flange for school bus seats
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